Wednesday, April 17, 2013

Giant Snails Invade Florida

It always amazes me that people worry so much about moving one or two genes around in plants in a thought out and carefully controlled manner yet they hardly worry about the introduction of whole functional genomes (i.e. invasive species) into ecosystems. Given the clear and deleterious impacts of introduced species (as opposed to those for GMOs which are debatable at best) you would think there would be large organizations of anti-introduced genome activists.

Why would you expect activists on an issue where there is virtually no counterpressure?

Accidental introductions still happen, reasonably frequently, and individual 'wildcat' introductions (usually of something that somebody thinks will be tasty and/or amusing to hunt/fish) do happen as well; but essentially nobody in anything resembling an authoritative role will even suggest a deliberate introduction in anything but the most cautious terms(and usually then only in an effort to control a prior introduction that got out of hand).

The sheer difficulty of the task, and the near-impossibility of eradicating established populations, works against the effort; but there is no activism because being against introduced species is already policy(and downright uncontroversial policy, at that).

GMOs, by contrast, have much more... effective... friends and allies, which provides their opponents with some incentive to try to push back.

Regardless of how good or bad their cause is, people rarely get worked up about things that are already going the way they want.

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/azhiTxH784s/story01.htm

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Tuesday, April 16, 2013

Chavez heir barely wins; opposition rejects count

CARACAS, Venezuela (AP) ? Hugo Chavez's hand-picked successor, Nicolas Maduro, won a razor-thin victory in Sunday's special presidential election but the opposition candidate refused to accept the result and demanded a full recount.

Maduro's stunningly close victory followed an often ugly, mudslinging campaign in which the winner promised to carry on Chavez's self-styled socialist revolution, while challenger Henrique Capriles' main message was that Chavez put this country with the world's largest oil reserves on the road to ruin.

Despite the ill feelings, both men sent their supporters home and urged them to refrain from violence.

Maduro, acting president since Chavez's March 5 death, held a double-digit advantage in opinion polls just two weeks ago, but electoral officials said he got just 50.7 percent of the votes to 49.1 percent for Capriles with nearly all ballots counted.

The margin was about 234,935 votes. Turnout was 78 percent, down from just over 80 percent in the October election that Chavez won by a nearly 11-point margin.

Chavistas set off fireworks and raced through downtown Caracas blasting horns in jubilation. But analysts called the slim margin a disaster for Maduro, a former union leader and bus driver in the radical wing of Chavismo who is believed to have close ties to Cuba.

In a victory speech, he told a crowd outside the presidential palace that his victory was further proof that Chavez "continues to be invincible."

But in a hint of discontent, National Assembly President Diosdado Cabello, who many consider Maduro's main rival, expressed dismay in a tweet: "The results oblige us to make a profound self-criticism. It's contradictory that the poor sectors of the population vote for their longtime exploiters."

At Capriles' campaign headquarters, people hung their heads quietly as the results were announced by an electoral council stacked with government loyalists. Many started crying; others just stared at TV screens in disbelief.

Later, Capriles emerged to angrily reject the official totals: "It is the government that has been defeated."

He said his campaign came up with "a result that is different from the results announced today."

"The biggest loser today is you," Capriles said, directly addressing Maduro through the camera. "The people don't love you."

Armed forces joint chief, Gen. Wilmer Barrientos, called on the military to accept the results.

A Capriles' campaign staffer told The Associated Press on condition of anonymity that the candidate met with the military high command after polls closed. But campaign official Armando Briquet later denied a meeting was held.

Capriles, an athletic 40-year-old state governor, had mocked and belittled Maduro as a poor, bland imitation of Chavez.

Maduro said during his victory speech that Capriles had called him before the results were announced to suggest a "pact" and that Maduro refused. Capriles' camp did not comment on Maduro's claim.

Maduro, a longtime foreign minister to Chavez, rode a wave of sympathy for the charismatic leader to victory, pinning his hopes on the immense loyalty for his boss among millions of poor beneficiaries of government largesse and the powerful state apparatus that Chavez skillfully consolidated.

Capriles' main campaign weapon was to simply emphasize "the incompetence of the state."

Millions of Venezuelans were lifted out of poverty under Chavez, but many also believe his government not only squandered, but plundered, much of the $1 trillion in oil revenues during his 14-year rule.

Venezuelans are afflicted by chronic power outages, crumbling infrastructure, unfinished public works projects, double-digit inflation, food and medicine shortages, and rampant crime ? one of the world's highest homicide and kidnapping rates ? that the opposition said worsened after Chavez disappeared to Cuba in December for what would be his final surgery.

Analyst David Smilde at the Washington Office on Latin America think tank predicted the victory would prove pyrrhic and make Maduro extremely vulnerable.

"It will make people in his coalition think that perhaps he is not the one to lead the revolution forward," Smilde said.

"This is a result in which the 'official winner' appears as the biggest loser," said Amherst College political scientist Javier Corrales. "The 'official loser' ? the opposition ? emerges even stronger than it did six months ago. These are very delicate situations in any political system, especially when there is so much mistrust of institutions."

Many across the nation put little stock in Maduro's claims that sabotage by the far right was to blame for worsening power outages and food shortages in the weeks before the vote.

"We can't continue to believe in messiahs," said Jose Romero, a 48-year-old industrial engineer who voted for Capriles in the central city of Valencia. "This country has learned a lot and today we know that one person can't fix everything."

In the Chavista stronghold of Petare outside Caracas, Maria Velasquez, 48, who works in a government soup kitchen that feeds 200 people, said she voted for Chavez's man "because that is what my comandante ordered."

Reynaldo Ramos, a 60-year-old construction worker, said he "voted for Chavez" before correcting himself and saying he chose Maduro. But he could not seem to get his beloved leader out of his mind.

"We must always vote for Chavez because he always does what's best for the people and we're going to continue on this path," Ramos said. He said the government had helped him get work on the subway system and helps pay his grandchildren's school costs.

The governing United Socialist Party of Venezuela deployed a well-worn get-out-the-vote machine spearheaded by loyal state employees. It also enjoyed the backing of state media as part of its near-monopoly on institutional power.

Capriles' camp said Chavista loyalists in the judiciary put them at glaring disadvantage by slapping the campaign and broadcast media with fines and prosecutions that they called unwarranted. Only one opposition TV station remains and it was being sold to a new owner Monday.

At rallies, Capriles would read out a list of unfinished road, bridge and rail projects. Then he asked people what goods were scarce on store shelves.

Capriles showed Maduro none of the respect he earlier accorded Chavez.

Maduro hit back hard, at one point calling Capriles' backers "heirs of Hitler." It was an odd accusation considering that Capriles is the grandson of Holocaust survivors from Poland.

The opposition contended Chavez looted the treasury last year to buy his re-election with government handouts. It also complained about the steady flow of cut-rate oil to Cuba, which Capriles said would end if he won.

Venezuela's $30 billion fiscal deficit is equal to about 10 percent of the country's gross domestic product.

Maduro focused his campaign message on his mentor: "I am Chavez. We are all Chavez." And he promised to expand anti-poverty programs.

He will face no end of hard choices for which Corrales, of Amherst, said he has shown no skills for tackling.

Maduro has "a penchant for blaming everything on his 'adversaries' ? capitalism, imperialism, the bourgeoisie, the oligarchs ? so it is hard to figure how exactly he would address any policy challenge other than taking a tough line against his adversaries."

Many factories operate at half capacity because strict currency controls make it hard for them to pay for imported parts and materials. Business leaders say some companies verge on bankruptcy because they cannot extend lines of credit with foreign suppliers.

Chavez imposed currency controls a decade ago trying to stem capital flight as his government expropriated large land parcels and dozens of businesses.

Now, dollars sell on the black market at three times the official exchange rate and Maduro has had to devalue Venezuela's currency, the bolivar, twice this year.

Meanwhile, consumers grumble that stores are short of milk, butter, corn flour and other staples.

The government blames hoarding, while the opposition points at the price controls imposed by Chavez in an attempt to bring down double-digit inflation.

___

Associated Press writers Fabiola Sanchez, Jorge Rueda, E. Eduardo Castillo and Christopher Toothaker in Caracas and Vivian Sequera in Valencia contributed to this report.

___

Alexandra Olson on Twitter: http://twitter.com/Alexolson99

Frank Bajak on Twitter: http://twitter.com/fbajak

Source: http://news.yahoo.com/chavez-heir-barely-wins-opposition-rejects-count-062143967.html

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Alipay Launches Sound Wave Mobile Payments System In Beijing Subway

Alipay_SoundAlipay has launched a new payment system in the Beijing subway that uses sound waves to connect smartphones with ticketing machines. The sound wave payment system was introduced with the Alipay Wallet mobile app in January and uses white noise (link via Google Translate) generated by a smartphone to carry digital information to another device. Initially used for smartphone-to-smartphone transactions, the Beijing Subway launch marks the first time the system has been used with a payment kiosk for consumer transactions, according to Xinhua (link via Google Translate).

Source: http://feedproxy.google.com/~r/Techcrunch/~3/_XjI1iEKmA8/

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Monday, April 15, 2013

Bombs kill more than 30 across Iraq before local poll

By Kareem Raheem

BAGHDAD (Reuters) - Car bombs and blasts in cities across Iraq, including two explosions at a checkpoint outside Baghdad's international airport, killed at least 23 people on Monday days before provincial elections.

No one claimed responsibility for the attacks in Baghdad, Kirkuk, Tuz Khurmato and other towns to the north to south, but al Qaeda's local wing is waging a campaign against Shi'ites and the government to stoke sectarian confrontation.

Iraqis will vote on Saturday for members of provincial councils in a ballot that is seen as a test of political stability since the last U.S. troops withdrew in December 2011.

The ballot for nearly 450 provincial council seats will also be an important measure of Shi'ite Prime Minister Nuri al-Maliki's political muscle against his Sunni and Shi'ite rivals before a parliamentary election in 2014.

A dozen candidates have already been killed so far in campaigning, including two moderate Sunni politicians over the weekend.

Monday's attacks were mostly car bombs, including two blasts that killed two passengers at an outer checkpoint as they were on their way into the Baghdad airport site. Attacks on the heavily guarded airport and the fortified International Zone housing many embassies are rare.

"Two vehicles managed to reach the entrance of Baghdad airport and were left parked there. While we were doing routine searches, the two cars exploded seconds apart. Two passengers travelling to the airport were killed," a police source said.

The most deadly attack was in Tuz Khurmato, 170 km (105 miles) north of Baghdad, where four bombs targeting police patrols killed five people and wounded 67, officials said.

SURGE IN ATTACKS

Iraqi violence has accompanied a long-running political crisis in the government that splits posts among Shi'ite, Sunni Muslim and ethnic Kurdish parties in an unwieldy, power-sharing coalition.

Critics dismiss Maliki, a former Arab-language teacher who spent many years in exile in Syria and Iran, as an autocrat who has failed to live up to power-sharing agreements. He threatens to form a majority government to end the deadlock.

Violence is down since the height of sectarian slaughter that erupted in 2006-2007 when an al Qaeda attack on a major Shi'ite shrine triggered a wave of retaliation between Sunni and Shi'ite fighters that killed thousands.

But al Qaeda's local wing, Islamic State of Iraq, and other Sunni Islamist insurgents tied to Saddam Hussein's outlawed Baath party, have managed to carry out at least one major coordinated attack a month since U.S. troops left.

Last year was first time Iraq's death toll had risen in three years and since the start of this year, al Qaeda has claimed a string of attacks, including a spike in suicide bombings on Shi'ite targets and security forces.

Ten years after the U.S.-led invasion, al Qaeda is regaining ground, especially in the western desert close to Syria's border, where it has benefited from the flow of Sunni fighters battling against Syrian President Bashar al-Assad.

Islamic State of Iraq says it has joined forces with the al-Nusra Front rebels fighting in Syria. Sunni insurgents, especially al Qaeda, see Baghdad's Shi'ite-led government and Assad as oppressors of Sunnis. They view Shi'ites in general as apostates from true Islam.

Insurgents are also tapping into Sunni frustrations. Many Iraqi Sunnis feel sidelined since the overthrow of Saddam and the rise of the Shi'ite majority. Security experts say al Qaeda is seeking to use that as a recruiting tool among Sunnis who see themselves victimized by security forces.

(Additional reporting by Ahmed Rasheed; Writing by Patrick Markey; Editing by Angus MacSwan)

Source: http://news.yahoo.com/bombs-hit-cities-across-iraq-least-five-dead-060044661.html

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Woods story, predictably, dominates CBS broadcast

CBS announcer Jim Nantz led off the network's Masters coverage Saturday by describing what Tiger Woods did the day before on the 15th hole as an "innocent" and "absent-minded" mistake.

CBS devoted the first 12 minutes of its broadcast from the Masters entirely to Woods, who was given a two-stroke penalty earlier in the day for a bad drop that led to his signing an incorrect scorecard after his second round.

Woods' shot on the 15th hole of the second round hit the flag stick and bounced back into the water. He took his penalty drop 2 yards behind where he hit the original shot, a rules violation.

Woods was tied for 17th when the third-round broadcast started at 3 p.m. EDT, five shots off the lead. His story dominated the early coverage, and CBS didn't mention another player until 3:12 p.m., when it showed the leaderboard for the first time.

"A day of high drama at Augusta National Golf Club before a single shot was struck." was how Nantz described the scene.

The broadcast started with a live shot of Woods at the sixth hole and being applauded by the gallery.

From there, the network displayed the ruling that cost Woods two strokes but allowed him to remain in the tournament. It broke down what his three options were after his shot on the 15th hole on Friday ended up in the water, then aired a lengthy interview by Nantz of Fred Ridley, chairman of the Masters' competition committees.

Augusta National said it was Nantz who alerted Masters officials Friday that Woods' post-rounds comments were causing some doubts, leading to another review.

Woods had said after his round, "I went back to where I played it from, but went two yards further back and I tried to take two yards off the shot of what I felt I hit. And that should land me short of the flag and not have it either hit the flag or skip over the back. I felt that was going to be the right decision to take off four (yards) right there. And I did. It worked out perfectly."

"It was an innocent mistake," Nantz said, referring to Woods' actions.

Once CBS got through the initial wave of Woods coverage, it was largely business-as-usual, with cameras trained on an array of players over roughly the next 35 minutes. Then CBS again revisited the Woods matter, with analyst Nick Faldo ? a three-time Masters champion ? saying the way Friday's events transpired ultimately saved Woods.

Augusta National reviewed the matter Friday even before Woods' second round was complete and found no breach of rules. But when Woods said after the round that he chose to play his drop slightly farther back from where he played his original shot, Augusta National decided to review the matter once again.

"If this had all happened later at night, if somebody had called in late at night and then had gone back and reviewed everything, then in fact Tiger would be disqualified," Faldo said. "He would have signed for the wrong score. In a way, that helped him. They reviewed the situation, they decided from what they saw there was no infringement, but it was only after Tiger then said, 'Hey, I intentionally came back a couple of yards.'"

Faldo said he was surprised Woods did not know the rule, but added that he gave the world's No. 1 player "the benefit of doubt."

Earlier in the day, the Golf Channel's Brandel Chamblee said:

"The integrity of this sport is bigger than the desire to see Tiger Woods play golf today," Chamblee said. "I want to see Tiger Woods play golf. I have never seen anybody play golf like him. I want to see him make a run at Jack Nicklaus' majors record. I want to see that. But I don't want to see it this week; I don't want to see it under these circumstances. The right thing to do here, for Tiger and for the game, is for Tiger to disqualify himself."

Faldo agreed with Chamblee and didn't back down during the CBS broadcast.

"There was absolutely no intention to try to drop that as close to the divot, absolutely none at all," Faldo said. "So, in black and white, and that is the greatest thing about our game, our rules are very much black and white. You know, that's a breach of the rules. Simple as that."

Later in the telecast, Faldo's tone seemed more conciliatory.

Faldo reiterated that in his era, he thought most players ? when presented with a situation like the one Woods was in ? would either be disqualified or withdraw. But he stopped short of calling again for that to happen.

"We're in a new era now under new rules and even if they bring some controversy, Tiger is playing rightly under the new rules," Faldo said. "And myself and some of my old pros, we have to accept that now."

Source: http://news.yahoo.com/woods-story-predictably-dominates-cbs-broadcast-201230101--golf.html

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Sunday, April 14, 2013

RolePlayGateway?

Chapter 1: TV Rots The Brain

Darkness. Pitch black and nothingness. All one would see on the TV set, no men, no women, no cameras. Just darkness. Unsettling darkness with a just as unsettling quiet. Until a voice cut through it like a well-crafted blade.

"Welcome to World News with G. Gordon Godfrey." The voice prompted several spotlights to come on, revealing a large desk. A TV monitor shot on, images of several cities shown. Gotham, Tokyo, New York, Metropolis, London. Finally, the source of the voice stepped into view.

He was an average sized man, a redhead possibly in his mid-30s or early 40s. The carrot topped man wore a nice black suit with a nice red tie, an air of confidence surrounding him. There was a reason why he had highest rated news show on Fox, in America, possibly the entire world at this point. He knew how to speak to people, he knew what they wanted to hear, he knew how to say exactly what they didn't want to hear, but keep them listening.

"I apologize for my rather bleak, rather dark opening to tonight's show. But, it's fitting. Darkness and suddenly light, but this darkness came just as suddenly as my light." Godfrey said as he paced the stage. "Tomorrow Superman will be speaking to the world. He'll be speaking not as Superman, but as the boy who fell from Krypton."

"Yes, Krypton. Space. A planet far from Earth, a planet where they breed supermen, no pun intended. Superman is not like us. He isn't Human. He hasn't had to deal with what we've had to deal with!" Godfrey exclaimed, "When he is faced with a gun he is not at risk. But, when you and I meet the barrel of a gun our lives are possibly coming to an end. We cry, we think of those we love that'll we never see again, that will never see us again so full of life." Godfrey paused, the silence once again filling in the empty spaces for him.

It was nothing but truth. People witnessed it. It was all over the news, all over the internet. Superman could take bullet after bullet and all he had to show for it was a little dirt on his alien skin. Superman was stronger than Humans, he molded him as a champion of Humans.

Godfrey could almost hear the people across the country asking themselves one very important question.

"When will Superman turn and treat us like bugs beneath his red boots?" Godfrey asked the viewers at home, "I for one don't want to-..."

"I was watching that!" Augustus said as he tried to look around Raquel to see his TV, the young woman was working with the fact that Augustus couldn't see through her. "Yeah, you were watching that of all things." Raquel noted, "G. Gordon Godfrey is opposed to people like you. He doesn't want you here." Raquel said.

Augustus was a large African-American man, standing at about six feet and five inches. He was muscular, appearing to be a man who kept himself in shape. Raquel was possibly his opposite, a short, slim African-American woman.

"It's just television." Augustus told Raquel as he stood up from his seat, "Yeah, well, TV rots your brain. Even complex alien brains." Raquel retorted, making her way through the large Gotham City apartment towards the bathroom. "Don't turn it back on." Raquel ordered Augustus as she stepped into the bathroom.

"Bruce invited us to a party, I want to get there on time." Raquel said firmly, shutting the bathroom door. "I'll be ready." Augustus would be ready after he finished watching his program. He waited until he could hear the shower running, reaching out to turn his TV back on.

"...and on top of that they can look like us! They can talk like us! What other aliens are among us?" Godfrey asked as the program continued on the TV screen, "They destroy. The aliens destroy. Does anyone remember the alien Lobo?" Godfrey asked, looking around the set as he awaited an answer.

"Does anyone remember the carnage he left in his wake? What about Mongul and his Warworld? Do we suddenly forget these things before Superman and the Justice League postponed the carnage?"

"I don't see Mongul in chains, I don't see his grave. He'll come back, they always come back. Batman allows The Joker to return. Superman allowed Zod to return. Does anyone remember how close we were to kneeling before him?" Godfrey asked, "There are ways we begin to combat the alien menace."

"The aliens can register, become documented. They can go home. They can be sent home. They are not wanted if they won't play by the rules. But, I admit, I don't want them at all. Call me a bigot, call me hateful."

"Don't call me if Sinestro brings another army here." Godfrey said, spotlights on his sound stage shutting off one by one until there was nothing but darkness.

The bathroom door began to open, Augustus quickly jumped from his seat to change the channel. "I'm going to call a taxi. Take your time though." He told Raquel, "I'm going to grab my nice suit." Augustus said, making his way towards his room as a talk show aired.

Three woman sat on a couch on a large white set. The first was an Asian woman, she donned a purple suit jacket and white skirt. The second woman was a Caucasian woman, a stern, very professional looking woman dressed in a black pantsuit. The last woman was a Caucasian woman, she wore a white skirt and white jacket. She was serious, lacking any specific emotions.

"Welcome back to The Panorama! I'm Linda Park here with Lois Lane and Louise Lincoln." Linda said, "I understand that you have more personal questions Ms. Lincoln, Lois?" Linda asked, "Yes, your good friend Crystal Frost, later known as Killer Frost, passed away recently." Lois said to Louise, "Yes, I know. Why bring this up?" Louise asked, "I've heard from some unnamed sources that you're continuing her work." Lois told Louise.

"The same work that made her who she was. A criminal and a murderer with a power of ice. A female Mr. Freeze. Do you care to comment on these allegations?" Lois asked, "Crystal was a very good friend of mine, I owe it to her to continue with her experiments and take the necessary precautions to prevent the same thing that happened to her from happening with others." Louise answered.

"Do you blame Firestorm for her death?" Lois asked, "Do you hate him? Were you and Crystal something more than friends?" She continued, "Um... Lois?" Linda said, "That's none of your business!" Louise said, "I didn't hear a resounding 'no' to any of those questions." Lois said to Louise, "Did you bring me on this show for this?" Louise asked.

The woman stood from her seat, storming away from the set. "Um... we'll be back with Bruce Wayne's rival for billionaire playboy of the year, Oliver Queen, after this commercial break." Linda said to the cameras.

"Clear!" The director shouted, "What the hell was that?" Linda asked Lois, "Journalism, Linda. You should try it." Lois answered, getting up to make her way backstage. "You're not a journalist anymore." Linda told Lois as she followed, "You can't do stuff like that to people." Linda explained.

"If we did more like that to people then maybe G. Gordon Godfrey wouldn't be beating us in the ratings with his... bullshit." Lois said, "I'm not going lowbrow to get ratings." Linda protested, "Not lowbrow. Interesting. I for one don't want to talk to Green Arr-..." Lois stopped herself as several members of the film crew made their way backstage.

"Oliver Queen," She corrected herself "...about his new fragrance or what bimbo supermodel he's dating now. You might be fine with that, but that's tabloid shit and I want to be remembered for bringing people real news." Lois said, turning to walk away from Linda.

Linda sighed, "What does Clark see in that one?"

Source: http://feeds.feedburner.com/RolePlayGateway

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Inspired By Economic Madness - Mike Shedlock - Townhall Finance ...

Do not expect any government or central bank to learn much from history, especially Japan and especially now.

For example, please consider this bit of "inspirational madness": Bank of Japan Finds Inspiration in a 1930s Iconoclast.

The bank?s governor, Haruhiko Kuroda, announced a ?new dimension in monetary easing,? vowing to double the purchases of government bonds and expand the monetary base. The BOJ also formally adopted a previously announced two-year target of 2 percent inflation. Quantitative easing will be the bank?s core business for the near future, a strategy that resembles the Federal Reserve?s response to the collapse of Lehman Brothers Holdings Inc.

The BOJ?s actions also mark a return, at least partly, to the unorthodox efforts of Japan?s finance minister in the early 1930s, Korekiyo Takahashi, who was praised by Fed Chairman Ben Bernanke for ?brilliantly rescuing Japan from the Great Depression through reflationary policies.?

Takahashi has recently received renewed attention from economists, historians and policy makers. In Japan, the number of popular publications on him suggests a Takahashi following. A biography by Richard Smethurst, ?From Foot Soldier to Finance Minister: Takahashi Korekiyo, Japan?s Keynes,? became an academic hit when it was published in Japanese in 2010.

Source: http://townhall.com/columnists/mikeshedlock/2013/04/13/inspired-by-economic-madness-n1566413

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American Idol Power Poll: The Fantastic 5

Source: http://www.thehollywoodgossip.com/2013/04/american-idol-power-poll-the-fantastic-5/

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Saturday, April 13, 2013

Facebook Home now available for download

Facebook Home

Launcher brings your friends' posts to you quicker (and prettier) than ever

OK, boys and girls. Now's the time to see what all the fuss is about over this Facebook Home thing. As promised, it's now available in the United States, for free, from the Google Play Store. (It's actually still propagating in Google Play as we write this. If you don't see it immediately, hang tight. It's coming.)

If you've somehow missed all the hullabaloo over the past week, Facebook Home is part custom launcher, part messaging client -- and all Facebook. You install it and get your friends Facebook posts front and center, in a nicely designed sort of lock screen called "cover feed." Then there's the "chat heads" messaging system -- it went live this morning in the Facebook Messenger app which pops up your friends profile pictures in little persistent bubbles. The traditional Facebook application is still there, of course.

read more

    


Source: http://feedproxy.google.com/~r/androidcentral/~3/bwHhxK_r0CE/story01.htm

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Market Weekahead - Shares to track March WPI, earnings

Reuters Market Eye - Wholesale price inflation data due on Monday will be key in setting the tone for the week after data showing slowing consumer prices raised expectations the RBI will cut interest rates next month for a third time this year.

Wholesale prices are expected to have risen 6.40 percent in March from a year earlier, according to a Reuters poll, down from an annualised 6.84 percent advance in February.

Traders will also be closely eyeing earnings results from software services exporters after Infosys Ltd's disappointing guidance for fiscal 2014 sent it to its biggest single-day fall in a decade on Friday.

Tata Consultancy Service, Wipro Ltd and HCL Technologies Ltd are due to report earnings during the week.

Traders will also be eyeing Reliance Industries Ltd's January-March earnings on April 16.

Stock markets will be closed on April 19 for a holiday.

KEY FACTORS/EVENTS TO WATCH

Monday: - March WPI data.

- Finance Minister P. Chidambaram travels to U.S. (Through April 19)

Tuesday: - Reliance Industries earnings

Wednesday: - HCL Technologies, Tata Consultancy Services earnings

Friday: - Wipro earnings

- Markets closed for a holiday

(Reporting by Abhishek Vishnoi)

Source: http://news.yahoo.com/market-weekahead-shares-track-march-wpi-earnings-112404128--sector.html

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As Apple Reportedly Nears Streaming Licensing Agreements For iRadio, Competitors Should Circle The Wagons

iradioApple is said to be getting very close to nailing down streaming licensing agreements with Universal Music Group and Warner Music, according to sources speaking to The Verge. The report follows news from the NY Post that claimed Apple was well under where labels were expecting in terms of its streaming rates, and now says that Apple's service will pay fees pretty much on par with those paid by Pandora. If Apple does launch this service, it's about to become a lot harder to operate as a competitor in this space.

Source: http://feedproxy.google.com/~r/Techcrunch/~3/9qCaOjeeVGA/

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Obama's Race to the Top: Model for Fostering Energy Innovation ...

obama's budgetPresident Barack Obama?s newly unveiled fiscal 2014 budget request supports a number of strong energy innovation policies, including an Energy Security Trust Fund to support next-generation transportation energy R&D and increased funding for the Advanced Research Projects Agency-Energy (ARPA-E). Another promising proposal is a Race to the Top for grid modernization. This relatively modest $200 million program would be the first of its kind for energy and could be an interesting pilot project for using similar policy models to bridge the gap between energy research and the market.

The original Race to the Top was a $4 billion Education Department contest to spur educational reform at the state level. That program awarded points to states for implementing certain reforms or achieving benchmarks, such as turning around low-achieving schools, with the leading states receiving grants depending on their share of the federal population of children.

Earlier this year, a commission chaired by Senator Mark Warner (D-VA) and National Grid US President Tom King recommended applying a comparable model to state energy efficiency policies. The commission report states, ?Best practices need wider dissemination?An energy productivity competition that similarly provides federal resources and rewards states for progress toward becoming more energy productive could spur significant advances in efficiency throughout the nation.? The president embraced the idea and proposed it in his 2013 State of the Union address: ?Those states with the best ideas to create jobs and lower energy bills by constructing more efficient buildings will receive federal support to help make it happen.?

The proposal in the president?s 2014 budget request expands on this idea to not only target energy efficiency, but grid modernization more broadly. Specifically, the budget request allocates $200 million to a Race to the Top program that would reward state governments for policies that involve ?modernizing utility regulations to encourage cost-effective investments in efficiency, including combined heat and power and demand response resources, and in clean distributed generation; enhancing customer access to data; investments that improve the reliability, security and resilience of the grid; and enhancing the sharing of information regarding grid conditions.? The goal is that the policy acts as an incentive for states, utilities, and local governments to implement aggressive policy reforms that cut energy waste pursuant of the president?s stated goal of doubling energy productivity by 2030.

Race to the Top for grid modernization is attractive from an innovation perspective because it ties performance to public investment. Linking research to performance and market goals has proven effective at ARPA-E, which is empowered to halt funding for award grantees if they fail to meet certain technology improvement benchmarks. Similarly, ITIF ? along with organizations like the Breakthrough Institute, Brookings Institution, and World Resources Institute ? has called for tying the wind production tax credit to technology cost and performance improvements as a means of pushing the wind industry towards subsidy-independence.

Ultimately, energy innovation policies involve not only boosting support for R&D, manufacturing, and technology demonstration and transfer, but also improving how those policies are implemented. The Race to the Top is one potential way of more effectively leveraging federal research dollars. Of course, the grid modernization Race to the Top program exists only as a proposal on paper. But its existence, even just in paper form, is a promising sign that policymakers are thinking creatively about how to foster energy innovation.

Authored by:

Clifton Yin

Clifton Yin is a Clean Energy Policy Analyst at the Information Technology and Innovation Foundation. Prior to joining ITIF, he earned a Master of Public Policy degree with a focus on environmental and regulatory policy from the Georgetown Public Policy Institute. His master?s thesis sought to use statistical analysis to evaluate the effectiveness of California?s Renewable Portfolio ...

See complete profile

Source: http://theenergycollective.com/cliftonyin/208451/race-top-could-prove-be-model-fostering-energy-innovation

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Alternative way to explain life's complexity proposed

Apr. 12, 2013 ? Evolution skeptics argue that some biological structures, like the brain or the eye, are simply too complex for natural selection to explain. Biologists have proposed various ways that so-called 'irreducibly complex' structures could emerge incrementally over time, bit by bit. But a new study proposes an alternative route.

Instead of starting from simpler precursors and becoming more intricate, say authors Dan McShea and Wim Hordijk, some structures could have evolved from complex beginnings that gradually grew simpler -- an idea they dub "complexity by subtraction." Computer models and trends in skull evolution back them up, the researchers show in a study published this week in the journal Evolutionary Biology.

Some biological structures are too dizzyingly complex to have emerged stepwise by adding one part and then the next over time, intelligent design advocates say. Consider the human eye, or the cascade that causes blood to clot, or the flagellum, the tiny appendage that enables some bacteria to get around. Such all-or-none structures, the argument goes, need all their parts in order to function. Alter or take away any one piece, and the whole system stops working. In other words, what good is two thirds of an eye, or half of a flagellum?

For the majority of scientists, the standard response is to point to simpler versions of supposedly 'irreducibly complex' structures that exist in nature today, such as cup eyes in flatworms. Others show how such structures could have evolved incrementally over millions of years from simpler precursors. A simple eye-like structure -- say, a patch of light-sensitive cells on the surface of the skin -- could evolve into a camera-like eye like what we humans and many other animals have today, biologists say.

"Even a very simple eye with a small number of parts would work a little. It would be able to detect shadows, or where light is coming from," said co-author Dan McShea of Duke University.

In a new study, McShea and co-author Wim Hordijk propose an alternative route. Instead of emerging by gradually and incrementally adding new genes, cells, tissues or organs over time, what if some so-called 'irreducibly complex' structures came to be by gradually losing parts, becoming simpler and more streamlined? Think of naturally occurring rock arches, which start as cliffs or piles of stone and form when bits of stone are weathered away. They call the principle 'complexity by subtraction.'

"Instead of building up bit by bit from simple to complex, you start complex and then winnow out the unnecessary parts, refining them and making them more efficient as you go," McShea said.

A computer model used by co-author Wim Hordijk supports the idea. In the model, complex structures are represented by an array of cells, some white and some black, like the squares of a checkerboard. In this class of models known as cellular automata, the cells can change between black and white according to a set of rules.

Using a computer program that mimics the process of inheritance, mutation, recombination, and reproduction, the cells were then asked to perform a certain task. The better they were at accomplishing the task, the more likely they were to get passed on to the next generation, and over time a new generation of rules replaced the old ones. In the beginning, the patterns of black and white cells that emerged were quite complex. But after several more generations, some rules 'evolved' to generate simpler black and white cell patterns, and became more efficient at performing the task, Hordijk said.

We see similar trends in nature too, the authors say. Summarizing the results of previous paleontological studies, they show that vertebrate skulls started out complex, but have grown simpler and more streamlined. "For example, the skulls of fossil fish consist of a large number of differently-shaped bones that cover the skull like a jigsaw puzzle," McShea said. "We see a reduction in the number of skull bone types in the evolutionary transitions from fish to amphibian to reptile to mammal." In some cases skull bones were lost; in other cases adjacent bones were fused. Human skulls, for example, have fewer bones than fish skulls.

Computer simulations like Hordijk's will allow scientists to test ideas about how often 'complexity by subtraction' happens, or how long it takes. The next step is to find out how often the phenomenon happens in nature.

"What we need to do next is pick an arbitrary sample of complex structures and trace their evolution and see if you can tell which route they proceeded by, [from simple to complex or the opposite]. That will tell us whether this is common or not," McShea added.

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The above story is reprinted from materials provided by National Evolutionary Synthesis Center (NESCent), via EurekAlert!, a service of AAAS.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Daniel W. McShea, Wim Hordijk. Complexity by Subtraction. Evolutionary Biology, 2013; DOI: 10.1007/s11692-013-9227-6

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/strange_science/~3/_NlcyV2uA1E/130412132407.htm

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Friday, April 12, 2013

Study finds copper reduces 58 percent of healthcare-acquired infections

Wednesday, April 10, 2013

New research has revealed that the use of Antimicrobial Copper surfaces in hospital rooms can reduce the number of healthcare-acquired infections (HAIs) by 58% as compared to patients treated in Intensive Care Units with non-copper touch surfaces. In the United States, 1 out of every 20 hospital patients develops an HAI, resulting in an estimated 100,000 deaths per year. Although numerous strategies have been developed to decrease these infections, Antimicrobial Copper is the only strategy that works continuously, has been scientifically proven to be effective and doesn't depend on human behavior, according to a recently published study in the SHEA Journal of Infection Control and Hospital Epidemiology.

"The implications of this study are critical," said Dr. Harold Michels, Senior Vice President of the Copper Development Association (CDA). "Until now, the only attempts to reduce HAIs have required hand hygiene, increased cleaning and patient screening, which don't necessarily stop the growth of these bacteria the way copper alloy surfaces do. We now know that copper is the game-changer: it has the potential to save lives."

Intensive Care Units See the Benefit of Copper Alloys

The study, funded by the U.S. Department of Defense, was conducted in the Intensive Care Units (ICUs) of three major hospitals: The Medical University of South Carolina, Memorial Sloan-Kettering Cancer Center in New York City and the Ralph H. Johnson Veterans Affairs Medical Center in Charleston, South Carolina. To determine the impact of copper alloy surfaces on the rate of HAIs, copper-surfaced objects were placed in each ICU, where patients are at higher risk due to the severity of their illnesses, invasive procedures and frequent interaction with healthcare workers. Patients were randomly placed in available rooms with or without copper alloy surfaces, and the rates of HAIs were compared. A total of 650 patients and 16 rooms (8 copper and 8 standard) were studied between July 12, 2010 and June 14, 2011.

Results of this study, that appeared last July in the Journal of Clinical Microbiology, found that Antimicrobial Copper can continuously kill 83% of bacteria that cause HAIs within two hours, including strands resistant to antibiotics. The study compared copper to equivalent non-copper touch surfaces during active patient care between routine cleaning and sanitizing.

"Copper alloy surfaces offer an alternative way to reduce the increasing number of HAIs, without having to worry about changing healthcare worker behavior," said Dr. Michael Schmidt, Vice Chairman of Microbiology and Immunology at the Medical University of South Carolina and one of the authors of the study. "Because the antimicrobial effect is a continuous property of copper, the regrowth of deadly bacteria is significantly less on these surfaces, making a safer environment for hospital patients."

In study results, 46 patients developed an HAI, while 26 patients became colonized with MRSA or VRE. Overall, the proportion of patients who developed an HAI was significantly lower among those assigned to intensive care rooms with objects fabricated using copper alloys. There are currently hundreds of Antimicrobial Copper healthcare-related products available today, including IV poles, stretchers, tray tables and door hardware.

This study was so successful that an interdisciplinary team from UCLA began replicating this research in July 2012. The team is testing ICUs with Antimicrobial Copper at Ronald Reagan UCLA Medical Center.

###

Kellen Communications - NY:

Thanks to Kellen Communications - NY for this article.

This press release was posted to serve as a topic for discussion. Please comment below. We try our best to only post press releases that are associated with peer reviewed scientific literature. Critical discussions of the research are appreciated. If you need help finding a link to the original article, please contact us on twitter or via e-mail.

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Source: http://www.labspaces.net/127680/Study_finds_copper_reduces____percent_of_healthcare_acquired_infections

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AP source: Immigration bill could exclude many

Ajna Opiotennione, 28, of Washington, who emigrated from Ethiopia, poses for a portrait after attending the "Rally for Citizenship," a rally in support of immigration reform, on Capitol Hill in Washington, on Wednesday, April 10, 2013. Bipartisan groups in the House and Senate are said to be completing immigration bills that include a pathway to citizenship for the nation's 11 million immigrants with illegal status. (AP Photo/Jacquelyn Martin)

Ajna Opiotennione, 28, of Washington, who emigrated from Ethiopia, poses for a portrait after attending the "Rally for Citizenship," a rally in support of immigration reform, on Capitol Hill in Washington, on Wednesday, April 10, 2013. Bipartisan groups in the House and Senate are said to be completing immigration bills that include a pathway to citizenship for the nation's 11 million immigrants with illegal status. (AP Photo/Jacquelyn Martin)

(AP) ? A bipartisan immigration bill soon to be introduced in the Senate could exclude hundreds of thousands of immigrants here illegally from ever becoming U.S. citizens, according to a Senate aide with knowledge of the proposals.

The bill would bar anyone who arrived in the U.S. after Dec. 31, 2011, from applying for legal status and ultimately citizenship, according to the aide, who spoke on condition because the proposals have not been made public.

It also would require applicants to document that they were in the country before Dec. 31, 2011, have a clean criminal record and show enough employment or financial stability that they're likely to stay off welfare.

Those requirements could exclude hundreds of thousands of the 11 million immigrants in the U.S. illegally from the path to citizenship envisioned by the bill, the aide said.

Although illegal immigration to the U.S. has been dropping, many tens of thousands still arrive each year, so the cutoff date alone could exclude a large number of people. That may come as a disappointment to immigrant rights groups that had been hoping that anyone here as of the date of enactment of the bill could be able to become eligible for citizenship.

But Republicans in the immigration negotiating group had sought strict criteria on legal enforcement and border security as the price for their support for a path to citizenship, which is still opposed by some as amnesty.

The new details emerged as negotiators reached agreement on all the major elements of the sweeping legislation.

After months of closed-door negotiations, the "Gang of Eight" senators, equally divided between the two parties, had no issues left to resolve in person, and no more negotiating sessions were planned. Remaining details were left to aides, who were at work completing drafts of the bill.

"All issues that rise to the member level have been dealt with," Sen. Chuck Schumer, D-N.Y., said in a statement Thursday. "All that is left is the drafting."

Democratic Sen. Dick Durbin of Illinois said the bill probably would be introduced on Tuesday.

The landmark legislation would overhaul legal immigration programs, require all employers to verify the legal status of their workers, greatly boost border security and put millions of immigrants living in the U.S. illegally on a 13-year path to citizenship. A top second-term priority for President Barack Obama, it would enact the biggest changes to U.S. immigration law in more than a quarter-century.

Deals gelled over the past two days on a new farm-worker program and visas for high-tech workers, eliminating the final substantive disputes on the legislation.

Next will come the uncertain public phase as voters and other lawmakers get a look at the measure. Already, some conservatives have made it clear their opposition will be fierce.

Sen. Jeff Sessions, R-Ala., complained that the bill would ensure that millions get amnesty but border enforcement never happens.

"This is also why it is so troubling that (Senate Judiciary Chairman Patrick Leahy, D-Vt.) has rejected the GOP request for multiple hearings and that members of the Gang of Eight have publicly announced their intention to oppose any amendments," Sessions said in a statement Thursday. "To proceed along these lines is tantamount to an admission that the bill is not workable and will not withstand public scrutiny."

Pro-immigrant activists also were gearing up for a fight even as they expressed optimism that this time, Congress will succeed in passing an immigration overhaul bill. Many of those pushing for the legislation were involved in the last major immigration fight, in 2007, when a bill came close on the Senate floor but ultimately failed.

"I think it's a pretty remarkable breakthrough that eight ideologically diverse senators are working so well together on such a challenging issue," said Frank Sharry, executive director of America's Voice, a group advocating for an overhaul of U.S. immigration policy. "And I think the fact that they've come up with a bill they can all support and defend suggests that it's the heart of a bill that will finally pass into law."

Once the legislation is introduced, it will be considered by the Senate Judiciary Committee, which has scheduled a hearing for Wednesday and likely will begin to amend and vote on the bill the week of May 6. From there, the bill would move to the Senate floor.

Both in committee and on the floor, the bill could change in unpredictable ways as senators try to amend it from the left and the right. The Gang of Eight ? Schumer, Durbin, and Sens. John McCain and Jeff Flake, R-Ariz., Marco Rubio, R-Fla., Lindsey Graham, R-S.C., Robert Menendez, D-N.J., and Michael Bennet, D-Colo. ? have discussed banding together to defeat amendments that could significantly alter the legislation.

Even more uncertain, though, is the Republican-led House, where a bipartisan group is also crafting an immigration bill, though timing of its release is uncertain. Many conservatives in the House remain opposed to citizenship for immigrants who have been living in the U.S. illegally.

___

Follow Erica Werner on Twitter: https://twitter.com/ericawerner

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/f70471f764144b2fab526d39972d37b3/Article_2013-04-12-Immigration/id-fb64128f072b48b3bd432b16ca4ec0a1

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Bills & Accounts Manager ? Manilla (for iPhone)


The iPhone, incredible little device that it is, can help you manage almost any aspect of your life, including your money. Apps for personal finance generally put in front of you information that you might need quickly and while on the go, such as your bank account balance or a reminder that a bill is due imminently. The iPhone app Manilla (free)?its full name is "Bills & Accounts Manager -documents, travel, money & household organizer - Manilla" but for the purpose of this review, let's just call it Manilla?is a central place for checking not just your checking balance, but also other accounts, subscriptions, and bills. It delivers on what it says it will do, but doesn't offer anything unique, whereas other apps along the same lines, such as the Mint.com iPhone app, offer valuable advice on what to do with your money through budgeting features and suggestions for financial accounts with better interest rates.

Mint is our Editors' Choice in this space because it gives you actionable tips on how to manage your money rather than just showing you how much you have. Manilla works fine as a way to check your balances or get reminders of upcoming bills, but it doesn't offer anything unique that might make it a compelling app.

Sign Up
When you launch the Manilla app for the first time, you'll have to create an account using your email address, and by entering your ZIP code,? a red flag that the service is for people in the U.S. only.

The app requires that you enter two security challenge questions, and one of mine asked for the house number of my childhood address, but rejected it for being only two digits long, which did not inspire my confidence. I chose different security questions and moved on to finish setting up by connecting to some of my personal and financial accounts.

Also when you first set up, you can choose to unlock the app with either a four-digit PIN or an email address login and password combo.

Another slightly befuddling step was that Manilla asked me specifically to add my mobile provider as a service, which I don't have because another family member manages that account, but didn't provide a clear option to skip this step if I didn't want to do it. Through trial-and-error, I bypassed the request by tapping "browse all accounts."

Manilla in Action
One area where Manilla has a tighter focus than Mint is in the number and kinds of subscriptions you can put into your Manilla account. While Mint's wheelhouse is money and utility bills, Manilla lets you connect to magazine subscriptions, your Netflix account, and even travel reward programs. Competitor Pageonce for iPhone? likewise includes the ability to connect to travel accounts, although Manilla goes one step further by reminding you when travel points will expire.

Manilla does have a calendar view, which I preferred to its list view, for reminders. It told me my Jetblue points would expire in May, which is quite frankly something I didn't know and am glad I do now. Other than that bit of information, Manilla didn't deliver anything I couldn't get elsewhere (and already do). It has a section called "Documents" that, in my weeks of testing, never turned up anything other than PDFs from Manilla further advertising its services.

Vanilla Manilla
Manilla's iPhone app works as advertised, but replicates the core functionality of both Mint's and Pageonce's iPhone apps?and seeing as Mint adds so much more on top of that core functionality, it's the personal finance mobile app we recommend.?

Source: http://feedproxy.google.com/~r/ziffdavis/pcmag/~3/zZGP5y6WzcY/0,2817,2417697,00.asp

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Wednesday, April 10, 2013

Thank Goodness Kids Do Belong to Their Parents (Atlantic Politics Channel)

Share With Friends: Share on FacebookTweet ThisPost to Google-BuzzSend on GmailPost to Linked-InSubscribe to This Feed | Rss To Twitter | Politics - Top Stories News, RSS and RSS Feed via Feedzilla.

Source: http://news.feedzilla.com/en_us/stories/politics/top-stories/298004145?client_source=feed&format=rss

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Quake risk from fracking 'minimal'

New research suggests that fracking is not a significant cause of earthquakes that can be felt on the surface.

UK scientists looked at quakes caused by human activity ranging from mining to oil drilling; only three could be attributed to hydraulic fracturing.

Most fracking events released the same amount of energy as jumping off a ladder, the Durham-based team said.

They argue that the integrity of well bores drilled for fracking is of much greater concern.

The research is published in the Journal of Marine and Petroleum Geology .

Continue reading the main story

?Start Quote

Hydraulic fracturing is not really in the premier league for causing felt seismicity...?

End Quote Prof Richard Davies Durham University

In recent years, hydraulic fracturing has become a significant means of recovering oil and gas that is too tightly bound into rock formations to be recovered by normal drilling.

Fracking, as it is called, utilises a mixture of water, sand and chemicals pumped underground at high pressure to crack open sedimentary rocks and release the fuels within.

Earth movers

But opponents of fracking have long been concerned that the process could induce earthquakes such as the one that occurred near a shale gas operation in Lancashire in 2011.

Now researchers from Durham University's Energy Institute say that the pumping of fracking liquid does indeed have the potential to reactivate dormant fault lines. But they say that compared to many other human activities such as mining or filling reservoirs with water, fracking is not a significant source of tremors that can be felt on the surface.

Continue reading the main story

Earthquakes

  • There are thousands of earthquakes each day, most too small to be detected without equipment
  • Earthquakes are usually caused by the motion of tectonic plates over the viscous mantle beneath
  • The Shaanxi earthquake of 1556 is the deadliest on record - killing nearly one million

"We've looked at 198 published examples of induced seismicity since 1929," Prof Richard Davies from Durham told BBC News.

"Hydraulic fracturing is not really in the premier league for causing felt seismicity. Fundamentally it is is never going to be as important as mining or filling dams which involve far greater volumes of fluid."

The researchers detailed just three incidences of earthquakes created by fracking - one each in the US, the UK and Canada. The biggest at Horn River Basin in Canada in 2011 had a magnitude of 3.8.

"Most fracking related events release a negligible amount of energy roughly equivalent to, or even less than someone jumping off a ladder onto the floor," said Prof Davies.

What has been shown to cause bigger seismic activity is the underground injection of oil-drilling waste water. Recent research in the US has linked this to a 5.7 magnitude earthquake in Oklahoma in 2011. This isn't an issue in the UK as the practice of injecting waste water underground is banned by EU legislation.

If oil and gas exploration companies want to reduce the risk from fracking completely, the key thing according to Prof Davies is not to drill too close to tectonic faults.

By using 3D seismic imaging he says, these problem could be identified and the risk of quakes avoided. However this technology is not a legal requirement at present and is likely to be resisted as it will increase drilling costs.

Cement issues

Of greater concern to Prof Davies is the long term threat posed by the well bores that are drilled to allow fracking to take place. There have been concerns that over time the cement that is used to line the wells may give way under pressure.

"I think there are some good research questions about the long term integrity of well bores - it has been shown in the US and Canada that a percentage have not been cemented properly and are going to leak or do leak - that's what I would focus on," he added.

This view is echoed by Robert Jackson, professor of environmental sciences at Duke University in the US, who has published research on ground water contamination through hydraulic fracturing.

"If I were to emphasise one thing it would be well integrity. There are many examples of well integrity issues, we know that a certain number of wells leak through time. Some people might say 5 % but one study suggested as many as half of all wells have sustained casing pressure, suggesting there is something wrong," he said.

Prof Jackson says that transparency is key to successfully developing the shale gas industry. With new incentives from the Government announced in the budget to boost the recovery of shale gas, the likelihood was the fracking industry was going to expand rapidly in the UK.

According to Prof Jackson this would have implications for people all over the country.

"One thing that will change in the UK, is that gas extraction is no longer in the North sea it is in people's neighbourhood," he said.

"It is an industrial activity in people's backyards. It means trucks, dust, noise - people aren't used to that in the UK."

Follow Matt on Twitter.

Source: http://www.bbc.co.uk/news/science-environment-22077230#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa

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Scientists use islands to gauge rainfall's effect on landscapes

Apr. 10, 2013 ? If you've ever stood on a hill during a rainstorm, you've probably witnessed landscape evolution, at least on a small scale: rivulets of water streaming down a slope, cutting deeper trenches in Earth when the rain turns heavier.

It's a simple phenomenon that scientists have long believed applies to large-scale landforms as well -- that is, rivers cut faster into mountains that receive heavier precipitation. It's thought that if rainfall patterns influence how rivers cut into rock, over time, the cumulative erosion and its effects on rock deformation can ultimately control how entire mountain ranges take shape. However, this seemingly intuitive theory -- that precipitation influences how quickly landscapes erode -- has been difficult to verify, because many other factors, such as rock strength and tectonic-plate motions, can also influence erosion rates.

Now researchers in MIT's Department of Earth, Atmospheric and Planetary Sciences (EAPS) have tested this theory by studying the relationship between precipitation and erosion on the Hawaiian island of Kauai, which has one of the world's steepest gradients in annual rainfall. The center of the island receives more than 9 meters (about 350 inches) of rain per year, while its shores remain relatively dry, with as little as half a meter (about 20 inches) of rainfall annually.

The researchers charted the island's precipitation and estimated how much land has eroded over Kauai's 4-million-year history. They found a clear pattern: The more rain a region receives, the more efficiently its rivers cut into rock, forming deep canyons in the wettest areas. The group used these measurements to test a widely used but rarely tested mathematical formula for erosion, and found that when they factored precipitation rates into the equation, they could accurately predict how rivers carved out the island over time.

"We now have empirical support for an idea that has been around for a while," says Ken Ferrier, who led the study while a postdoc at MIT and is now a postdoc at Harvard University. "That idea is that precipitation really should affect how quickly rivers cut through rock, which has many implications for how landscapes evolve."

Ferrier published the results of the study this week in the journal Nature. The study's co-authors are MIT graduate student Kimberly Huppert and Taylor Perron, the Cecil and Ida Green Assistant Professor of Geology in EAPS.

Rain versus the volcano

According to the researchers, Kauai's steep rainfall gradient and uniform volcanic rock make it an "exceptional natural laboratory" for testing the relationship between precipitation and erosion. Wind patterns sweep rain clouds from the ocean toward the peak of the island's volcano, where they rain out most of their moisture before passing over the rest of the island. As a result, annual rainfall is highest in the island's center, with a dramatic drop-off toward the coasts, and is also higher on the side of the island that faces the wind. If rainfall indeed has an effect on erosion, the team reasoned, then the island's erosion rates should exhibit a similarly dramatic pattern.

To test their theory, the researchers first looked at Kauai's current topography, which features large canyons funneling into the middle of the island, with smaller valleys on the outskirts. They then created a map of what the island looked like when it first formed more than 4 million years ago, before erosion altered its surface. To do that, the researchers identified gently sloping, nearly planar surfaces around the island that likely are remnants of the volcano's original terrain. They then used a simple mathematical equation to, in essence, stretch the remnant surfaces together into a roughly conical shape -- what Kauai's topography likely resembled when the island first formed.

Ferrier and his colleagues then measured the difference between the modern topography and this reconstructed topography to estimate the amount of rock eroded over time -- and divided this difference by the age of the uppermost volcanic flows to calculate an erosion rate. The researchers performed this exercise for more than 13,000 locations along 32 rivers throughout the island, measuring the erosion rates along each river. They then plotted these erosion rates against precipitation rates across the island and found that, after correcting for each river's steepness and the size of its drainage basin, rivers that received more rainfall eroded the land faster than those with less rain.

Feeding the flow

The researchers compared their measured erosion rates to a mathematical equation widely used to predict a river's erosion rate. This equation attributes the erosion rate to the river's steepness and the rate of flow through its channel, but the flow rate is typically assumed to depend only on the size of the river's drainage basin, ignoring spatial differences in rainfall. Other factors that might influence erosion rate, but which are not explicitly included in this equation, include the type of rock being eroded and the kinds of vegetation in the area.

Ferrier used measured precipitation rates to calculate the flow rate at every point along each river, and found a strong correlation between the equation's predicted erosion rates and the measured erosion rates -- a result that indicates how much precipitation really matters when it comes to predicting how a landscape will erode.

Sean Willet, a professor of geology at the Swiss Federal Institute of Technology in Zurich, says the group's greatest strength was in its choice of experimental setting.

"In earth sciences, we cannot simulate many of these things in the laboratory; we have to go out in the field and find naturally occurring experiments," Willet says. "The study they did in Kauai did this beautifully. They found a place on the Earth where we knew much about what the original landscape looked like, we had a fantastic change in the climate where the rainfall went from half a meter to 9 meters over a few kilometers, and they used that as a naturally occurring experiment in order to quantify these processes. And to me, that's really what made this a valuable contribution."

"This is exciting because it shows that some bold ideas that have been proposed about landscapes are probably right," Perron says. "For example, if it rains more on one side of a mountain range, it might actually make the mountain range asymmetric and change its width. Just by changing atmospheric processes, you can change how the solid Earth is deforming. Now there is some empirical support for these ideas."

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Story Source:

The above story is reprinted from materials provided by Massachusetts Institute of Technology. The original article was written by Jennifer Chu.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Ken L. Ferrier, Kimberly L. Huppert, J. Taylor Perron. Climatic control of bedrock river incision. Nature, 2013; 496 (7444): 206 DOI: 10.1038/nature11982

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/u6yM3fNUGjE/130410154955.htm

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