Tuesday, April 30, 2013

Amped Wireless' TAN 1 WiFi adapter for Windows 8 arriving for $60

Amped Wireless TAN 1 WiFi adapter for Windows 8 arrives today

Amped Wireless' long-gestating TAN 1 may look like a chocolate bar, but you'd probably regret dunking it in your coffee. The high-powered WiFi adapter connects over USB to Windows 8 laptops and tablets, promising to triple the range of your device's built-in wireless gear. After what seems like an age, the hardware is finally making its way to stores, and will set you back $59.99 when it goes on sale tomorrow.

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Source: http://www.engadget.com/2013/04/30/amped-tan1-retail/?utm_medium=feed&utm_source=Feed_Classic&utm_campaign=Engadget

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Helen Mirren reigns at London's Olivier awards

LONDON (AP) ? Helen Mirren was crowned queen of the London stage at the Olivier Awards Sunday, while compelling, canine-titled teen drama "The Curious Incident of the Dog in the Night-Time" emerged as best in show with seven trophies.

Mirren, 67, was a popular and expected best actress choice for her regal yet vulnerable Queen Elizabeth II in "The Audience," Peter Morgan's behind-palace-doors drama about the relationship between Britain's queen and its prime ministers.

The actress, who won an Academy Award in 2007 for playing Britain's monarch in "The Queen," quipped that it was 87-year-old Elizabeth who deserved an award, "for the most consistent and committed performance of the 20th century, and probably the 21st century."

Backstage, it turned out she wasn't kidding. Mirren, who has been Olivier-nominated three times before, said that finally winning "doesn't mean that I was the best actor. There were so many incredible performances out there."

"I was making a joke about the queen winning, but I think actually it is a reflection of the kind of respect the queen is held in," she said.

Her "Audience" co-star, Richard McCabe, who won the supporting actor trophy for playing 1960s and 70s Prime Minister Harold Wilson, said Mirren was a joy to work with.

"It's important as an actor to be absolutely fearless, and she is," he said.

While the queen herself hasn't been to see the Stephen Daldry-directed show ? rumored to be Broadway-bound ? McCabe said "a lot of people in the royal household have been coming in and watching incognito, and they must be reporting back."

The surprise of the awards ceremony at London's Royal Opera House was "Curious Incident," an adaptation of Mark Haddon's best-selling young-adult novel about a teenage math prodigy with Asperger's Syndrome who sets out to find the killer of his neighbor's dog, with destabilizing results.

The show, which premiered at the state-subsidized National Theatre last year before transferring to a commercial West End playhouse, has won praise for its creative use of movement and technology to make the leap from page to stage.

The Simon Stephens-scripted drama was named best new play, and 28-year-old Luke Treadaway was crowned best actor, beating a strong list of contenders including Rupert Everett, Mark Rylance and James McAvoy.

Treadaway said the "Curious" company knew they had created "something really special" with the show about a teenager "who sees the world differently to a lot of people."

"I think people could kind of see themselves in him," Treadaway said.

"This is not even necessary," he said, holding his trophy, a bust of the late actor Laurence Olivier. "I enjoy doing it so much anyway."

The play also won prizes for director Marianne Elliott and supporting actress Nicola Walker, as well as for set, lighting and sound.

Walker said the play had, through some "magic," succeeded in creating an onstage world as seen through the eyes of a teenage hero with autism.

"You start out thinking (it) is completely different to our world, and you end up thinking 'No, there are parts of this world I understand.'"

The Olivier awards honor achievements in London plays, musicals, dance and opera. Winners in most categories are chosen by a panel of stage professionals and theatergoers.

Founded in 1976, the Oliviers have been laying on the glitz in recent years, with glossy ceremonies modeled on Broadway's Tony Awards.

"Downton Abbey" actor Hugh Bonneville and West End star Sheridan Smith ? an Olivier winner in 2011 and 2012 ? hosted a sparky ceremony that included performances by "Glee" star Matthew Morrison, Tony-winning "Wicked" diva Idina Menzel and 60s songstress Petula Clark.

The best new musical category had a retro feel, with the trophy going to "Top Hat" ? a tap-dancing, tail-coated homage to Hollywood's Golden Age based on the 1935 Fred Astaire-Ginger Rogers movie. It also won awards for costume design and choreography.

Imelda Staunton and Michael Ball, co-stars of "Sweeney Todd," were named best actress and actor in a musical.

Royal Ballet principal dancer Marianela Nunez took the prize for outstanding achievement in dance, while the same company's "Aeternum" was named best new dance production.

An immersive staging of the Philip Glass opera "Einstein on the Beach" at London's Barbican Centre was named best new opera production. American tenor Bryan Hymel won the outstanding achievement in opera prize for performances at the Royal Opera House.

Special achievement awards went to choreographer Gillian Lynne ? best known for her work on Andrew Lloyd Webber musicals including "Cats" and "The Phantom of the Opera" ? and playwright Michael Frayn, whose classic backstage farce "Noises Off" is still going strong 30 years after its debut.

___

Jill Lawless can be reached at http://Twitter.com/JillLawless

Online: http://www.olivierawards.com

Source: http://news.yahoo.com/helen-mirren-reigns-londons-olivier-awards-204835864.html

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Microsoft working on redesigns for Xbox, Yammer, Skype and Bing

Microsoft working on redesigns for Xbox, Yammer, Skype and Bing

Considering Microsoft's efforts to rebrand, redesign and rebuild its Windows platform, it's no surprise to hear the company is tweaking the visual aesthetics of its other brands, too. Speaking at Design Day 2013, Wolff Olins creative director Todd Simmons and Windows Phone design studio manager Albert Shum talked about the challenges of rebranding a company like Microsoft. "We're still trying to figure out how to put a consumer face on this brand, as an ecosystem," Simmons said, explaining how the team wanted to get away from the idea of Microsoft being a top-down, monolithic entity. The discussion touched on the creation of the Windows 8 logo, but also shed light on efforts to revamp other Microsoft brands. "Other brands are coming along too," Simmons explained, teasing the audience with a pair of sketches. "Bing, Skype, Yammer, Xbox -- everything is under development." With Microsoft's next generation gaming hardware lurking just around the corner, the time for a new logo might just be nigh. Read on to see the pair's full 45-minute presentation for yourself. Sadly, the presentation was deleted from Vimeo a few hours after we wrote this article. Check out the source links for a brief summery of the presentation.

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Via: Verge, Travis Lowdermilk (Twitter)

Source: Vimeo, Design Day 2013

Source: http://www.engadget.com/2013/04/28/microsoft-working-on-brand-redesigns-for-xbox-yammer-skype/?utm_medium=feed&utm_source=Feed_Classic&utm_campaign=Engadget

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Monday, April 29, 2013

PFT: SEC accounts for 63 picks ? a quarter of the draft

dj-haydenGetty Images

After analyzing?the draft needs of all 32 teams, PFT will review how well each team addressed those needs. Up next: The Oakland Raiders.?

What?they?needed: Defensive line, quarterback, offensive line, cornerback, tight end, wide receiver.

Who they got:
Round 1: D.J. Hayden, CB, Houston.
Round 2: Menelik Watson, OT, Florida State.
Round 3: Sio Moore, LB, Connecticut.
Round 4: Tyler Wilson, QB, Arkansas.
Round 6: Nick Kasa, TE, Colorado.
Round 6: Latavius Murray, RB, UCF.
Round 6: Mychal Rivera, TE, Tennessee.
Round 6: Stacy McGee, DT, Oklahoma.
Round 7: Brice Butler, WR, San Diego State.
Round 7: David Bass, DE, Missouri Western.

Where they hit: Hayden, who survived a freakish life-threatening internal injury suffered in November, could be the Raiders? top cornerback in short order. With the second-rounder acquired from Miami, the Raiders added Watson, a tackle prospect with upside. Moore is a good scheme fit, and Wilson could prove a very good value if he plays to his best collegiate form.

Where they missed: The Raiders didn?t draft a defensive lineman until Round Six. There?s playing time to be had for ends Bass and Jack Crawford (2012 fifth-rounder) and tackles McGee and Christo Bilukidi (2012 sixth-rounder) behind the Raiders? veteran starters, but Oakland could use a little more help at both line positions. In McKenzie?s defense, the Raiders have numerous needs, and on first analysis, he did quite well to add talent and depth in this draft.

Impact rookies: Given the state of the Raiders? roster, all 10 drafted rookies have a chance to make the team, and several could earn game-day snaps of consequence in Year One. Hayden has the best shot to start. He should compete with Tracy Porter and Mike Jenkins right off the bat. Moore is also a player to watch; the Raiders have revamped their LB corps this offseason but don?t have any standouts. A talented fresh face has a chance to make an impact early at this position. Watson?s best opportunity to start in 2013 is at right tackle, but that?s no sure thing, given his lack of experience. Rivera is a potential sleeper, given the Raiders? lack of a clear-cut top target at tight end after the departure of Brandon Myers. Murray also is an interesting addition; can he challenge backup Rashad Jennings for snaps? And then we come to Wilson. Matt Flynn will get first run at the starting job, and Wilson will have to be a quick study to beat out him and Terrelle Pryor for playing time. However, it?s not out of the realm of possibility.

Long-term prospects: Watson is talented enough to play in Year One if he quickly develops, but his best football could be down the road.?If Wilson doesn?t win the starting job in 2013, the question becomes whether he shows enough to be one of the primary contenders or the heir apparent in 2014. The Raiders used a mere fourth-round pick on him, so he?s going to have to show at least a little promise in Year One. Kasa is a converted defensive end who could need some time to continue learning the TE position.

Source: http://profootballtalk.nbcsports.com/2013/04/28/with-63-draft-picks-sec-produces-a-quarter-of-the-nfls-talent/related/

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Monday, April 8, 2013

Best bets: Jackie Robinson movie hits home

By Gael Fashingbauer Cooper, NBC News

It's a week for remembering -- remembering Jackie Robinson in the new biopic "42," remembering the importance of the 1980s in a National?Geographic?special, and remembering the movies of the past year at the MTV Movie Awards.

FRIDAY: '42'
The memorable life of baseball player Jackie Robinson was told in 1950's "Jackie Robinson Story," just three years after he broke the sport's color line with the Brooklyn Dodgers. In that movie, Robinson played himself, but in the new film "42," opening Friday, actor Chadwick Boseman will take on the role. Harrison Ford plays Branch Rickey, the Dodgers president and GM who signed Robinson, and Christopher Meloni is manager Leo Durocher, who famously told the other players that if they objected to Robinson, he'd see that they were traded. Play ball! (Opens April 5.)

SUNDAY: MTV Movie Awards
Sure, the MTV Movie Awards are no Academy Awards -- the gold and black popcorn trophy is nowhere as prestigious as Oscar. But they're fun to watch nonetheless. Where else would you see categories like "best scared as (expletive) performance," or "summer's biggest teen bad (expletive)"? Comedian and actress Rebel Wilson hosts, which should make for a lively night.

SUNDAY: 'The '80s: The Decade That Made Us'
The 1980s weren't all Rubik's Cubes and Pac-Man. The decade spawned a technological and cultural revolution that still affects us all today. Brat Packer Rob Lowe hosts a three-night look at the era that examines its politics, entertainment, cultural changes and more. ?(April 14, 8 p.m., National Geographic Channel.)

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Source: http://entertainment.nbcnews.com/_news/2013/03/29/17519574-best-bets-jackie-robinson-movie-hits-home?lite

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Sunday, April 7, 2013

Judge making morning-after pill available to all

This undated image made available by Teva Women's Health shows the packaging for their Plan B One-Step (levonorgestrel) tablet, one of the brands known as the "morning-after pill." In a scathing rebuke of the Obama administration, a federal judge ruled Friday that age restrictions on over-the-counter sales of the morning-after pill are "arbitrary, capricious and unreasonable" and must end within 30 days. The ruling by U.S. District Judge Edward Korman of New York means consumers of any age could buy emergency contraception without a prescription _ instead of women first having to prove they're 17 or older, as they do today. And it could allow Plan B One-Step to move out from behind pharmacy counters to the store counters. (AP Photo/Teva Women's Health)

This undated image made available by Teva Women's Health shows the packaging for their Plan B One-Step (levonorgestrel) tablet, one of the brands known as the "morning-after pill." In a scathing rebuke of the Obama administration, a federal judge ruled Friday that age restrictions on over-the-counter sales of the morning-after pill are "arbitrary, capricious and unreasonable" and must end within 30 days. The ruling by U.S. District Judge Edward Korman of New York means consumers of any age could buy emergency contraception without a prescription _ instead of women first having to prove they're 17 or older, as they do today. And it could allow Plan B One-Step to move out from behind pharmacy counters to the store counters. (AP Photo/Teva Women's Health)

This undated handout photo provided by Judge Edward Korman shows U.S. District Judge Korman of New York. In a scathing rebuke of the Obama administration, a federal judge ruled Friday that age restrictions on over-the-counter sales of the morning-after pill are "arbitrary, capricious and unreasonable" and must end within 30 days. The ruling by Korman means consumers of any age could buy emergency contraception without a prescription _ instead of women first having to prove they're 17 or older, as they do today. And it could allow Plan B One-Step to move out from behind pharmacy counters to the store counters. (AP Photo/Judge Korman's Office)

WASHINGTON (AP) ? The morning-after pill might become as easy to buy as aspirin.

In a scathing rebuke accusing the Obama administration of letting election-year politics trump science, a federal judge ruled Friday that women of any age should be able to buy emergency contraception without a doctor's prescription.

Today, women can do that only if they prove at the pharmacy that they're 17 or older; everyone else must see a doctor first. U.S. District Judge Edward Korman of New York blasted the government's decision on age limits as "arbitrary, capricious and unreasonable," and ordered an end to the restrictions within 30 days.

The Justice Department was evaluating whether to appeal, and spokeswoman Allison Price said there would be a prompt decision.

President Barack Obama had supported the 2011 decision setting age limits, and White House spokesman Jay Carney said Friday the president hasn't changed his position. "He believes it was the right common-sense approach to this issue," Carney said.

If the court order stands, Plan B One-Step and its generic versions could move from behind pharmacy counters out to drugstore shelves ? ending a decade-plus struggle by women's groups for easier access to these pills, which can prevent pregnancy if taken soon enough after unprotected sex.

Saying the sales restrictions can make it hard for women of any age to buy the pills, Korman described the administration's decision, in the year before the 2012 presidential and congressional elections, as "politically motivated, scientifically unjustified and contrary to agency precedent."

Women's health specialists hailed the ruling.

"It has been clear for a long time that the medical and scientific community think this should be fully over the counter and is safe for women of all ages to use," said Dr. Susan Wood, who resigned as FDA's women's health chief in 2005 to protest Bush administration foot-dragging over Plan B.

Half the nation's pregnancies every year are unintended. Doctors' groups say more access to morning-after pills ? by putting them near the condoms and spermicides so people can learn about them and buy them quickly ? could cut those numbers. They see little risk in overuse, as the pills cost $40 to $50 apiece.

"The fact that it's over the counter does not make people have sex," said Dr. Angela Diaz, director of New York's Mount Sinai Adolescent Health Center. "Sixty percent of young people are sexually active by 12th grade, and the more tools we have to help them be responsible, the better."

Social conservatives criticized the ruling.

"There is a real danger that Plan B may be given to young girls, under coercion or without their consent," said Anna Higgins of the Family Research Council. "The involvement of parents and medical professionals acts as a safeguard for these young girls. However, today's ruling removes these common-sense protections."

Deirdre McQuade, spokeswoman for the U.S. Conference of Catholic Bishops, said: "Plan B does not prevent or treat any disease, but makes young adolescent girls more available to sexual predators. The court's action undermines parents' ability to protect their daughters from such exploitation and from the adverse effects of the drug itself."

The morning-after pill contains a higher dose of the female progestin hormone than is in regular birth control pills. Taking it within 72 hours of rape, condom failure or just forgetting regular contraception can cut the chances of pregnancy by up to 89 percent. But it works best within the first 24 hours.

If a woman already is pregnant, the pill has no effect. It prevents ovulation or fertilization of an egg. According to the medical definition, pregnancy doesn't begin until a fertilized egg implants itself into the wall of the uterus. Still, some critics say Plan B is the equivalent of an abortion pill because it may also be able to prevent a fertilized egg from attaching to the uterus, a contention that many scientists ? and Korman, in his ruling ? said has been discredited.

The Food and Drug Administration actually was preparing to allow over-the-counter sale of Plan B One-Step with no age limits in late 2011 when Health and Human Services Secretary Kathleen Sebelius, in an unprecedented move, overruled her own scientists. Sebelius said some girls as young as 11 are physically capable of bearing children but shouldn't be able to buy the pregnancy-preventing pill on their own.

The federal judge dismissed that argument.

"This case is not about the potential misuse of Plan B by 11-year-olds," said Korman, who called the pills safe for girls but said the number using them "is likely to be minuscule" as less than 3 percent of girls under age 13 are sexually active.

He cited the Administrative Procedure Act as granting a judge the authority to set aside an agency's rulings "if they are 'arbitrary, capricious, an abuse of discretion or otherwise not in accordance with law.'"

Korman said regulation requires that when the FDA allows nonprescription drug sales, "the standards are the same for aspirin and for contraceptives" ? and he ultimately determined that the government violated those standards in the case of Plan B.

"The decision that the agency was forced to make, contrary to its own policies and judgment, is not entitled to any deference," Korman concluded. "Indeed, it is hardly clear that the secretary had the power to issue the order, and if she did have that authority, her decision was arbitrary, capricious, and unreasonable."

It was the judge's latest ruling in a lawsuit filed by the Center for Reproductive Rights and dating back to 2005 that pushed for unfettered over-the-counter access to Plan B.

Korman didn't spare the FDA from criticism, citing "a strong showing of bad faith and improper political influence" going back to the Bush administration, when the center filed a citizen's petition to try to get the agency to act. That was followed by the lawsuit.

"More than twelve years have passed since the citizen petition was filed and eight years since this lawsuit commenced," Korman wrote in a decision dated Thursday and released Friday. "The FDA has engaged in intolerable delays in processing the petition. Indeed, it could accurately be described as an administrative agency filibuster."

The judge said the FDA decided after 11 months, 47,000 public comments and hundreds of thousands, if not millions, of dollars spent, that it did not need rulemaking on the subject.

"The plaintiffs should not be forced to endure, nor should the agency's misconduct be rewarded by, an exercise that permits the FDA to engage in further delay and obstruction," he wrote.

Four years ago, Korman was highly critical of the Bush administration's initial handling of the issue when he ordered the FDA to let 17-year-olds obtain the medication, instead of setting the age at 18. At the time, he accused the government of letting "political considerations, delays and implausible justifications for decision-making" cloud the approval process.

__

Neumeister reported from New York. Associated Press writer Ricardo Alonso-Zaldivar contributed to this report.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/bbd825583c8542898e6fa7d440b9febc/Article_2013-04-05-Morning-After%20Pill/id-4b6fc316edbf457886931beff86d6a02

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Friday, April 5, 2013

Wild mice have natural protection against Lyme borreliosis

Apr. 4, 2013 ? Like humans, mice can become infected with Borrelia. However, not all mice that come into contact with these bacteria contract the dreaded Lyme disease: Animals with a particular gene variant are immune to the bacteria, as scientists from the universities of Zurich and Lund demonstrate. Wild mice are the primary hosts for Borrelia, which are transmitted by ticks.

Springtime spells tick-time. Lyme borreliosis is the most common tick-borne disease in Switzerland: around 10,000 people a year become infected with the pathogen. The actual hosts for Borrelia, however, are wild mice. Like in humans, the pathogen is also transmitted by ticks in mice. Interestingly, not all mice are equally susceptible to the bacterium and individual animals are immune to the pathogen. Scientists from the universities of Zurich and Lund headed by evolutionary biologist Barbara Tschirren reveal that the difference in vulnerability among the animals is genetic in origin.

Protective gene variant

Tschirren and colleagues examined wild mice for signs of a Borrelia infection in a large-scale field study. Borrelia afzelii -- the scientific name for the bacteria -- feed on mouse blood. The researchers discovered that mice with a particular variant of the antigen receptor TLR2 were around three times less susceptible toBorrelia. "The immune system of mice with this receptor variant recognizes the pathogen better and can trigger an immune response more quickly to destroy the Borrelia in time," says Tschirren. Infected mice exhibit similar symptoms to humans -- especially joint complaints. Consequently, in the wild infected mice probably do not survive for very long and weakened animals soon fall victim to foxes and birds of prey.

Arms race between mice and Borrelia

The protective gene variant is advantageous for its carriers and, according to the researchers, gradually becoming prevalent in the mouse population. Nonetheless, it is unlikely that all mice will one day be resistant to Borrelia. "The increasing resistance in the host is bound to lead to adaptations in Borrelia," predicts Tschirren. "We can observe the evolutionary adaptation through the rearmament in mice and the pathogen."

People also have the antigen receptor TLR2, but not the resistant gene variant observed in mice. Whether the evolutionary arms race between mice and Borrelia will have repercussions for people remains to be seen. According to Tschirren, the bacterium does not necessarily have to become more aggressive for humans.

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The above story is reprinted from materials provided by University of Zurich.

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Journal Reference:

  1. B. Tschirren, M. Andersson, K. Scherman, H. Westerdahl, P. R. E. Mittl, L. Raberg. Polymorphisms at the innate immune receptor TLR2 are associated with Borrelia infection in a wild rodent population. Proceedings of the Royal Society B: Biological Sciences, 2013; 280 (1759): 20130364 DOI: 10.1098/rspb.2013.0364

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

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/health_medicine/genes/~3/c_6W7tVBk_o/130404072925.htm

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Thursday, April 4, 2013

EU transaction tax seen raising cost of issuing UK debt

By Huw Jones

LONDON (Reuters) - A planned EU tax on securities transactions will add billions of pounds to the cost of issuing debt in Britain, hitting companies and government finances even though the country will not impose the levy, a study said on Wednesday.

The City of London Corporation, home to much of Britain's financial services industry, said a study it commissioned estimated the tax would add 4 billion pounds to the cost of issuing UK debt if it were in force this year.

Eleven euro zone countries intend to introduce the tax on stock, bond and derivatives transactions next January, raising up to 35 billion euros a year to make banks pay for aid they received in the financial crisis.

There are provisions to ensure the levy is applied no matter where in the world securities from the 11 states are traded, though it is unclear how and by whom the tax would be collected, especially in non-participating countries.

A pan-EU proposal for the tax failed due to opposition from Britain, home of Europe's largest financial services industry, as well as other member states including Sweden.

The study, carried out by consultancy London Economics, estimated the cost of capital would go up even for countries not imposing the tax.

The cost of capital raising for firms would rise by 100 basis points or more in non-participating member states because of their reliance on short-term debt capital markets, it said.

"The financial transaction tax is an ill-conceived idea that risks significantly damaging economic prospects across Europe," said Mark Boleat, chairman of the corporation's policy committee.

"Not only would it adversely affect the cost of sovereign debt but it would also make it more difficult for businesses across the continent to access funding," Boleat said.

The study said the tax would distort competition and have a greater negative impact on returns from corporate and sovereign debt from non-participating EU states as they tend to issue shorter-term bonds that carry lower returns.

There could be a "substantial" reduction in activity on the repurchase or repo market - where government bonds are used as collateral to raise funds - due to increased costs, putting them at a disadvantage to secured loans, the study added.

The International Capital Market Association (ICMA), which represents debt market participants, said the tax would make short-term financing activities uneconomic.

"This will disrupt bank financing conditions, undermine collateral efficiency needed for the safety of financial markets, and lead to more costly primary debt markets," said David Hiscock, senior director at ICMA.

ICMA will publish its own report on the tax's likely impact on the repo market next Monday in Brussels. Gabriele Frediani, head of electronic trading platform MTS, said last month the tax would kill the European repo market.

Last week a panel of UK MPs criticised the government and the financial sector for not doing enough to stop the tax, saying Britain should go to court to halt the plans.

Manfred Bergmann, European Commission director for indirect taxation, said last month the tax would not harm Britain and its government could not be forced to collect the levy.

(Reporting by Huw Jones; Editing by Stephen Nisbet and Mark Potter)

Source: http://news.yahoo.com/eu-transaction-tax-seen-raising-cost-issuing-uk-100904423--sector.html

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Wednesday, April 3, 2013

Physicists decipher social cohesion issues

Physicists decipher social cohesion issues [ Back to EurekAlert! ] Public release date: 3-Apr-2013
[ | E-mail | Share Share ]

Contact: Sophia Grein
sophia.grein@springer.com
49-622-148-78414
Springer

Studying the effect of migration of cooperation could help to better understand social cohesion

Migrations happen for a reason, not randomly. A new study, based on computer simulation, attempts to explain the effect of so-called directional migration migration for a reason on cooperative behaviours and social cohesion. These results appear in a study about to be published in EPJ B by Hongyan Cheng from Beijing University of Posts and Telecommunications and colleagues.

The authors devised a computer simulation of what they refer to as selfish individuals those who are mainly concerned with their own interests, to the exclusion of the interests of others. In this study, they propose a new migration rule, dubbed directional migration, in existing models referred to as evolutionary game theory. This takes into account the fact that individuals in animal and human society make migration choices that are often motivated by the need to search for food or to look for alliances, for example.

Cheng and colleagues found that when they introduce a directional migration trend in their computer model, the cooperation level among individuals is greatly improved compared to situations with no migration. They also found that directional migration has a profound impact on the population structure. It drives individuals to form a number of dense clusters, which resembles social cohesion. In these clusters, individuals organise into a well-functioning group in which there are shared goals and a readiness to cooperate with others.

The authors expect that their model can be further improved in the future by incorporating some factors reflecting real-life situations. For example, the model could introduce a range of interaction that differs for each individual, or vary the collective interaction ranges of a given cluster of individuals in keeping with the number of individuals in the cluster. By combining these real factors, this approach could provide a deeper understanding of the emergence of cooperation among individuals.

###

Reference

H. Y. Cheng et al. (2013), Effects of directional migration on prisoner's dilemma game in a square domain, European Physical Journal B, DOI 10.1140/epjb/e2013-40076-5

For more information, please visit http://www.epj.org

The full-text article is available to journalists on request.


[ Back to EurekAlert! ] [ | E-mail | Share Share ]

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Physicists decipher social cohesion issues [ Back to EurekAlert! ] Public release date: 3-Apr-2013
[ | E-mail | Share Share ]

Contact: Sophia Grein
sophia.grein@springer.com
49-622-148-78414
Springer

Studying the effect of migration of cooperation could help to better understand social cohesion

Migrations happen for a reason, not randomly. A new study, based on computer simulation, attempts to explain the effect of so-called directional migration migration for a reason on cooperative behaviours and social cohesion. These results appear in a study about to be published in EPJ B by Hongyan Cheng from Beijing University of Posts and Telecommunications and colleagues.

The authors devised a computer simulation of what they refer to as selfish individuals those who are mainly concerned with their own interests, to the exclusion of the interests of others. In this study, they propose a new migration rule, dubbed directional migration, in existing models referred to as evolutionary game theory. This takes into account the fact that individuals in animal and human society make migration choices that are often motivated by the need to search for food or to look for alliances, for example.

Cheng and colleagues found that when they introduce a directional migration trend in their computer model, the cooperation level among individuals is greatly improved compared to situations with no migration. They also found that directional migration has a profound impact on the population structure. It drives individuals to form a number of dense clusters, which resembles social cohesion. In these clusters, individuals organise into a well-functioning group in which there are shared goals and a readiness to cooperate with others.

The authors expect that their model can be further improved in the future by incorporating some factors reflecting real-life situations. For example, the model could introduce a range of interaction that differs for each individual, or vary the collective interaction ranges of a given cluster of individuals in keeping with the number of individuals in the cluster. By combining these real factors, this approach could provide a deeper understanding of the emergence of cooperation among individuals.

###

Reference

H. Y. Cheng et al. (2013), Effects of directional migration on prisoner's dilemma game in a square domain, European Physical Journal B, DOI 10.1140/epjb/e2013-40076-5

For more information, please visit http://www.epj.org

The full-text article is available to journalists on request.


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Source: http://www.eurekalert.org/pub_releases/2013-04/s-pds040313.php

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SEC Embraces Social Media (WSJ)

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, News Feeds and News via Feedzilla.

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Official: Attack on western Iraq gas field kills 2

BAGHDAD (AP) ? A provincial official says gunmen attacked workers at a remote gas field near the Syria border, killing two men and kidnapping one.

Farhan Farhan, the mayor of the western city of Qaim, said on Tuesday that the gunmen also set fire to workers' trailers at a camp near the gas field. The kidnapped man is the brother of the Iraqi company owner building the camp site.

Farhan says the attack took place on Monday. He says the Iraqi company was contracted by South Korea's KOGAS to build the trailer camp before developing the gas field.

Qaim is about 320 kilometers (200 miles) west of Baghdad.

Iraqi officials are concerned that al-Qaida militants are strengthening around the porous Iraq-Syria border, taking advantage of Syria's turmoil.

Source: http://news.yahoo.com/official-attack-western-iraq-gas-field-kills-2-123257397.html

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