US teen Mikaela Shiffrin wins world slalom title

SCHLADMING, Austria (AP) — American teenager Mikaela Shiffrin became the youngest women's slalom world champion in 39 years on Saturday.

At the age of 17 years, 340 days, Shiffrin beat all of her more experienced rivals to earn the U.S. Ski Team its fourth gold and fifth medal overall at the worlds, more than any other nation.

"It's such a crazy day," Shiffrin said. "It's so emotional ... I don't know yet, I can't feel yet. It's amazing."

The 17-year-old Shiffrin was third after the opening run but finished in a combined time of 1 minute, 39.85 seconds to beat Michaela Kirchgasser of Austria by 0.22 and Frida Hansdotter of Sweden by 0.26.

After the race in front of a crowd of 30,000 had ended, Shiffrin looked around in disbelief before hugging second-place Kirchgasser several times. Shiffrin's parents Jeff and Eileen embraced each other at the stands.

"I keep saying it, I keep thinking it. It doesn't make sense. It's just me," Shiffrin said when being asked how it felt to be world champion.

Shiffrin said she was inspired by teammate Ted Ligety, who won the men's super-G, super-combined and GS titles.

"Oh yeah! For sure," she said. "I think everyone was. That was amazing."

Julia Mancuso won the United States' first medal by taking bronze in the event-opening super-G.

Shiffrin is the youngest women's world champion in any discipline since fellow American Diann Roffe-Steinrotter, who was 21 days younger when she won the giant slalom title in 1985.

The only slalom world champions younger than Shiffrin were Hanni Wenzel of Liechtenstein in 1974 and Esme Mackinnon of Britain in 1931.

Shiffrin had already had a breakthrough year, winning three World Cup slaloms this season to lead the discipline standings.

By winning in Zagreb, Croatia, in early January, she became the first American woman to win two World Cup races before the age of 18. In Flachau, Austria, she added a third victory to match a record set by legend Annemarie Moser-Proell, was in 1971 at exactly the same age of 17 years, 308 days when she won her third of 62 races.

Hansdotter led the race after the opening run but could not match Shiffrin's pace in the final. The Swede had finished runner-up to Shiffrin in each of the American's World Cup wins.

"I am super happy," Hansdotter said. I had two good runs and now I have a medal. I wasn't nervous. I have to be happy because I have got a medal."

Kirchgasser, who was part of the Austrian team that won gold in the mixed team event Tuesday, earned her first individual medal at a major championship.

"It's just great. I thought, all or nothing," said Kirchgasser, who just missed the podium in fourth during the super-combined last week. "I didn't want to end up in fourth again."

Olympic slalom champion Maria Hoefl-Riesch of Germany, who won the super-combined world title last week, had 0.20 to make up in the final run but straddled a gate and failed to finish.

The fans cheered loudly for Schild on her return less than two months after picking up what initially appeared to be a season-ending knee injury in December. The World Cup champion hadn't raced since the slalom 83 days ago in Aspen, Colo., and placed ninth, 1.58 behind Shiffrin.

The men's slalom Sunday is the final event of the world championships.

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UN warns risk of hepatitis E in S. Sudan grows

GENEVA (AP) — The United Nations says an outbreak of hepatitis E has killed 111 refugees in camps in South Sudan since July, and has become endemic in the region.

U.N. refugee agency spokesman Adrian Edwards says the influx of people to the camps from neighboring Sudan is believed to be one of the factors in the rapid spread of the contagious, life-threatening inflammatory viral disease of the liver.

Edwards said Friday that the camps have been hit by 6,017 cases of hepatitis E, which is spread through contaminated food and water.

He says the largest number of cases and suspected cases is in the Yusuf Batil camp in Upper Nile state, which houses 37,229 refugees fleeing fighting between rebels and the Sudanese government.

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Judge sets May trial date for Kardashian divorce

LOS ANGELES (AP) — Kim Kardashian has a due date for her baby and now a trial date for her divorce from NBA player Kris Humphries.

A judge on Friday set a May 6 trial for the reality TV star who wants to end her marriage before July, when her child with Kanye West is due.

Kardashian filed for divorce on Oct. 31, 2011, after she and Humphries had been married just 72 days. Their lavish, star-studded nuptials were recorded and broadcast by E! Entertainment Television.

The trial is expected to last three to five days and could reveal details about Kardashian's reality show empire, which includes "Keeping Up With the Kardashians" and several spinoffs.

Two judges determined Friday that Humphries' lawyers had adequate time to prepare for the trial.

Humphries wants the marriage annulled based on his claim that Kardashian only married him for the sake of her show.

She denies that allegation and says the case should be resolved through what would be her second divorce.

Humphries' attorney Marshall Waller asked for a delay until basketball season is over.

But Superior Court Judge Scott Gordon refused, saying firefighters, police officers, truck drivers and others have to miss work for trials, and Humphries must do the same if necessary.

Waller filed paperwork Thursday to withdraw from the case but didn't mention that development in court and refused to answer any questions about the document on Friday.

Waller said he was still hoping to obtain and review 13,000 hours of footage from Kardashian's reality shows to try to prove the fraud claim but noted he does not yet have an agreement to receive the footage.

Kardashian's lawyer said her client was ready for trial.

"Let's get this case dispensed with," attorney Laura Wasser said.

Humphries has provided a deposition in the case, as have West and Kardashian family matriarch Kris Jenner.

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Anthony McCartney can be reached at http://twitter.com/mccartneyAP

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Illinois corporate tax credits swelled to $161 million 2011

When lawmakers raised taxes on Illinois residents and businesses, they also increased corporate income tax breaks for a select group of companies.

In 2011, businesses were eligible to claim about $161 million in tax credits — double from the prior year — mostly because of the increase to 5 percent from 3 percent in the state's personal income tax rate, which is a factor in determining the value of the incentives. The boost marked the largest increase in the Economic Development for a Growing Economy tax credit program, the state's main economic development program, since its creation in 1999.

Deere & Co., Boeing Co. and Caterpillar Inc., whose leader severely criticized lawmakers for tax hikes, were among dozens of companies that received more robust tax breaks. Some companies' deals also allowed them to be in line to receive tax incentives even while laying off workers or lowering wages.

The EDGE program allows a business to claim a credit against its corporate income tax liability if it agrees to create and/or retain jobs and make an investment in the state of at least $1 million, for companies with fewer than 100 workers, and at least $5 million for larger companies.

Once accepted into the program, which typically lasts 10 years, a company applies on an annual basis for a tax credit certificate, similar to a voucher, which it can claim when it files its taxes.

Marcelyn Love, a spokeswoman with the Department of Commerce and Economic Opportunity, which administers the program, said that under the tax credit program companies make investments and employ workers, practices that otherwise would not have occurred without the credits.

"Both the private investment and the increased employment significantly increase tax revenue collection for the state in excess of the credits given," Love said in an email. Far from adding to the tax burden, she added, these incentives actually generate revenue for the state. "Further, most of these tax credits pay for themselves within two years."

The certificates are the only way to gauge the potential cost and scope of the program, because tax filings are not public. The Tribune obtained the 2011 certificates data, the latest year available, under the state's Freedom of Information Act. Companies have as many as five years to redeem a certificate.

After a deal is finalized, a company has two years to meet its side of the bargain and begin applying for certificates. Thus, the increase in the total value of 2011 tax breaks is also the result of companies receiving certificates for the first time. For example, Ford Motor Co. began applying for its certificates in 2010 from a 2007 deal.

During Gov. Pat Quinn's administration, companies have received increasingly larger deals. Many have been for retaining jobs, according to a Tribune analysis. In 2011, Sears Holdings Corp. was offered a tax credit package worth $150 million over 10 years to keep its headquarters in the state and retain at least 4,250 full-time jobs. The company, which after the deal was announced revealed that it was closing 125 stores nationwide, has yet to apply for a certificate. Five of those stores were in Illinois. State officials have said that during a recession, when few jobs are created, it's important to focus on retaining workers.

Chris Brathwaite, a Sears spokesman, said the company's employment level at its headquarters is higher than the more than 6,000 jobs it had when the deal was approved, but he declined to provide figures.

In general, the value of a certificate equals the number of jobs created and/or retained, multiplied by wages tied to those jobs and the state's personal income tax rate.

That means companies that didn't add one worker and kept wages at the 2010 rate received a 67 percent boost to their 2011 corporate income tax break. Just like individuals, corporations also registered a tax rate increase in 2011. Lawmakers set the new corporate income tax rate at 7 percent, up from 4.8 percent. The increases in breaks partially offset that hike.

The formula under which companies become eligible to receive tax breaks was aimed at encouraging job creation and increasing employee wages. Still, the 2011 data revealed that some companies made deals to allow job cuts and still qualify for incentives, a practice known as "normal attrition."

A case in point is Motorola Mobility. For the past two years, Motorola Mobility has qualified for certificates worth a total of $22.6 million while slowly chipping away at its workforce. Late last year, the smartphone-maker, which was acquired by Google Inc. in May, announced it was laying off 20 percent of its global workforce. Locally, the company cut hundreds of workers, bringing its Illinois head count to about 2,300, a figure that would make it ineligible for a 2013 certificate unless it boosts its workforce before the end of the year.

The Department of Commerce and Economic Opportunity said the EDGE program played a crucial role in keeping Motorola Mobility in Illinois after it was acquired by Google. Its presence, the agency said, is drawing more technology investment and jobs to the state.

A state lawmaker wants the state to end the wiggle room practice, cap at $100 million the annual amount of tax breaks awarded and remove the investment bar so more small and medium-size businesses can qualify for breaks.

"Large multinationals are getting all the breaks," said Rep. Jack Franks, D-Marengo, adding that his focus is to modernize the program and increase accountability.

Franks' House Bill 1336 would also limit the length of the tax breaks to five years and require that companies pay workers at least the median salary of their occupation as determined by federal data. The bill also eliminates the provision requiring companies to make a capital investment in the state of at least $1 million or $5 million, depending on their size. And it creates a nine-member board to oversee the deals, with members appointed by the governor and approved by the state Senate.

Franks said that the Department of Commerce and Economic Opportunity shouldn't promote the program while also negotiating deals with companies, because it creates a conflict of interest.

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Hundreds hurt when 10-ton meteorite explodes over Russia

CHELYABINSK, Russia -- More than 500 people were injured when a meteorite shot across the sky and exploded over central Russia on Friday, sending fireballs crashing to Earth, shattering windows and damaging buildings.

People heading to work in Chelyabinsk heard what sounded like an explosion, saw a bright light and then felt a shockwave according to a Reuters correspondent in the industrial city 950 miles east of Moscow.

A fireball blazed across the horizon, leaving a long white trail in its wake which could be seen as far as 125 miles away in Yekaterinburg. Car alarms went off, windows shattered and mobile phone networks were interrupted.

"I was driving to work, it was quite dark, but it suddenly became as bright as if it was day," said Viktor Prokofiev, 36, a resident of Yekaterinburg in the Urals Mountains.

"I felt like I was blinded by headlights," he said.

No fatalities were reported but President Vladimir Putin, who was due to host Finance Ministry officials from the Group of 20 nations in Moscow, and Prime Minister Dmitry Medvedev were informed.

A local ministry official said such incidents were extremely rare and Friday's events might have been linked to an asteroid the size of an Olympic swimming pool due to pass Earth at a distance of 17,100 miles but this was not confirmed.

Russia's space agency Roscosmos said the meteorite was travelling at a speed of 19 miles per second and that such events were hard to predict. The Interior Ministry said the meteorite explosion had caused a sonic boom.

Russia's Emergencies Ministry said 514 people had sought medical help, mainly for light injuries caused by flying glass, and that 112 of those were kept in hospital. Search groups were set up to look for the remains of the meteorite.

"There have never been any cases of meteorites breaking up at such a low level over Russia before," said Yuri Burenko, head of the Chelyabinsk branch of the Emergencies Ministry.

WINDOWS BREAK, FRAMES BUCKLE

Windows were shattered on Chelyabinsk's central Lenin Street and some of the frames of shop fronts buckled.

A loud noise, resembling an explosion, rang out at around 12:20 a.m. ET. The shockwave could be felt in apartment buildings in the industrial city's center.

"I was standing at a bus stop, seeing off my girlfriend," said Andrei, a local resident who did not give his second name. "Then there was a flash and I saw a trail of smoke across the sky and felt a shockwave that smashed windows."

A wall was damaged at the Chelyabinsk Zinc Plant but a spokeswoman said there was no environmental threat.

Although such events are rare, a meteorite is thought to have devastated an area of more than 1,250 miles in Siberia in 1908, smashing windows as far as 125 miles from the point of impact.

The Emergencies Ministry described Friday's events as a "meteor shower in the form of fireballs" and said background radiation levels were normal. It urged residents not to panic.

Chelyabinsk city authorities urged people to stay indoors unless they needed to pick up their children from schools and kindergartens. They said what sounded like a blast had been heard at an altitude of 32,800 feet.

The U.S. space agency NASA has said an asteroid known as 2012 DA14, about 46 meters in diameter, would have an encounter with Earth closer than any asteroid since scientists began routinely monitoring them about 15 years ago.

Television, weather and communications satellites fly about 500 miles higher. The moon is 14 times farther away.

Reuters

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Big hedge funds fueled fourth-quarter dive in Apple shares

BOSTON (Reuters) - Some of the biggest hedge funds that helped make Apple Inc a stock market darling lost faith and dumped their stakes in the fourth quarter, fueling the massive drop in the iPhone maker's share price.

Noted stock pickers including Leon Cooperman, Eric Mindich and Thomas Steyer unloaded billions of dollars of Apple shares between September 30 and December 31, according to disclosure documents filed on Thursday.

Shares of Apple rose to an all-time high of $705.07 on September 21 but ended 2012 down more than 24 percent from that peak as investors worried about increasing competition and declining profit margins.

The shares also may have dropped because their price rose too much, too fast.

"The stock just went up so much in early 2012 and then was coming back to earth," said Justin Walters, co-founder of Wall Street research firm Bespoke Investment Group. "Three months from now, we'll be seeing a lot of the people who sold starting to pick it up again."

The fourth-quarter sellers avoided even deeper losses. Apple's shares have lost 12 percent so far this year. The shares lost 42 cents, or 0.1 percent, to close at $466.59 on the Nasdaq on Thursday.

Cooperman's Omega Advisors fund dumped its entire stake of more than 266,000 shares during the fourth quarter, according to its required quarterly disclosure form filed with the Securities and Exchange Commission.

Mindich, named the youngest partner ever at Goldman Sachs before starting his Eton Park Capital Management fund in 2004, got out of Apple entirely in the fourth quarter after making big sales in the third quarter as well. Eton owned 600,000 shares at the beginning of 2012.

Farallon Capital, the hedge fund founded by Steyer, sold 137,000 shares. Steyer, who once worked on the Goldman Sachs risk arbitrage desk under Robert Rubin, stepped down at the end of the year from the firm, which he founded in 1986. Rubin served as U.S. Treasury secretary from 1995 to 1999.

Jana Partners, an activist fund run by Barry Rosenstein, also unloaded its entire Apple stake of more than 143,000 shares. Other notable sellers included Third Point LLC, which had owned 710,000 shares, Viking Global Investors, which dumped 1.1 million shares and Lone Pine Capital, which sold over 800,000 shares.

A much smaller line up of funds bought shares amid the stock's crash. David Tepper's Appaloosa Management nearly doubled its stake during the quarter to about 913,000 shares. George Soros more than doubled his stake to about 184,000 shares. And David Einhorn, who last week sued Apple in a bid for higher dividends, added 20 percent to his holdings to end the quarter with 1.3 million shares.

PROFITABLE TRADES

Despite the plunge in Apple's stock price, most of the managers likely exited their positions with substantial profits because they bought years earlier.

Rosenstein and Cooperman, for example, both started gathering their stakes in the middle of 2010, when Apple shares traded below $300.

At the time, the company's iPhone 4 was beset by alleged faulty reception, a problem that became known as "antennagate." Apple's then-chief executive, the late Steve Jobs, famously dismissed the issue, saying "we don't think we have a problem." But Apple offered customers a free bumper case that was supposed to minimize any issues.

Customers did not seem to care, snapping up millions of iPhones and sending Apple's share price up almost 50 percent over the next year.

Apple came under further scrutiny last week from Greenlight's Einhorn. Einhorn filed a lawsuit to block changes in Apple's policy for issuing preferred stock. Instead, Apple should issue a new class of preferred stock to share more of its $137 billion cash hoard with shareholders, Einhorn said.

Apple Chief Executive Tim Cook dismissed the moves as a "silly sideshow" on Tuesday.

SOME TRIMMED

Not all well-known hedge fund fans of Apple cut ties in the fourth quarter. Some only trimmed their holdings.

Philippe Laffont, who worked under famed hedge fund manager Julian Robertson before striking out on his own at Coatue Management, sold about 18 percent of his Apple shares. Coatue ended the year with a still sizable 643,000 shares.

Chase Coleman, another manager who worked for Robertson, reduced the Apple stake at his Tiger Global Management fund by 19 percent to just over 1 million shares.

Robertson's own Tiger Management LLC fund trimmed its Apple stake by 28 percent to about 42,000 shares.

Large hedge funds are required to disclose their U.S. stock holdings within 45 days after the end of each quarter.

But the filings may not give a complete picture of each fund's moves, since only U.S.-listed shares and options must be revealed. Bonds, foreign shares and derivatives are not included, and short positions, or bets that a stock will fall in price, are not listed.

(Reporting by Aaron Pressman; Additional reporting by Katya Wachtel, Svea Herbst, Sam Forgione and Jennifer Ablan in New York; Editing by Steve Orlofsky and David Gregorio)

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Pistorius prosecutors pursue premeditated murder

PRETORIA, South Africa (AP) — Oscar Pistorius held his head in his hands and wept openly in court Friday as prosecutors said they would pursue a charge of premeditated murder against the Paralympic superstar.

Pistorius was formally charged at Pretoria Magistrates Court with one count of murder for the slaying of his girlfriend, Reeva Steenkamp, a model and budding reality TV show contestant. The 30-year-old was shot multiple times and died at Pistorius' upmarket home early Thursday morning.

Prosecutor Gerrie Nel said Friday in court it was premeditated murder, indicating the prosecution would file that more serious charge, upgraded from murder.

The double-amputee athlete's arrest and murder charge had already left South Africa stunned after Steenkamp's death on Valentine's Day at Pistorius' house in a gated community in an eastern suburb of South Africa's capital, Pretoria.

Following the hearing, Pistorius' family and his London management company issued a statement calling into question the criminal charge the 26-year-old athlete faces.

"The alleged murder is disputed in the strongest terms," the statement read. The statement did not elaborate.

The statement also said Pistorius wanted to "send his deepest sympathies to the family of Reeva."

"He would also like to express his thanks through us today for all the messages of support he has received — but as stated our thoughts and prayers today should be for Reeva and her family — regardless of the circumstances of this terrible, terrible tragedy," the statement read.

Those who knew Pistorius, including a former girlfriend, also weighed in on social media.

Trish Taylor, mother of Pistorius' ex-girlfriend Samantha Taylor, wrote on Facebook: "I'm so glad Sammy is safe and out of the clutches of that man."

But another ex-girlfriend, Jenna Edkins, defended Pistorius in messages Friday on Twitter.

"All I am saying is let him speak, let his side be heard without jumping to conclusions," Edkins wrote. She offered "love and support" to the Pistorius family and wrote: "I have dated Oscar on and off for 5 YEARS, NOT ONCE has he EVER lifted a finger to me or made me fear for my life."

Prosecutors said Friday that they would argue the history-making Olympic athlete — the first amputee to run at the games — had planned Steenkamp's killing. It sent South Africans reeling further as their national hero, and a global role model in overcoming adversity, was set to face accusations that he intentionally gunned down his girlfriend.

South Africa's tabloid Citizen newspaper had the headline "Blade gunner?" Friday morning, playing on double-amputee athlete Pistorius' well-known nickname of "Blade Runner" because of his carbon fiber running blades.

Pistorius stood with his face in his hands as he broke down in tears on his first appearance at the Pretoria Magistrates' Court. Chief Magistrate Desmond Nasir delayed Pistorius' bail hearing until next Tuesday and Wednesday and ruled that Pistorius would be held at a police station in Pretoria until then. Police have said they oppose the granting of bail.

A solemn Pistorius entered the court wearing a gray suit and blue tie and initially appeared composed. When he broke down in tears, his brother, Carl, reached out a hand and placed it on his shoulder. Pistorius' father, Henke, was in the court and later reached over to comfort him as well.

More than 100 people packed Friday morning into Courtroom C at the Pretoria Magistrates Court, including dozens of photographers and videographers. Nasir ruled that no recordings of court proceedings would be allowed in the case.

Police said Friday investigators also conducted an autopsy on Steenkamp's body. Lt. Col. Katlego Mogale said the results of the autopsy would not be published.

Pistorius earlier left a police station, his jacket completely covering his head as he got into a police vehicle. He was holding what appeared to be a white handkerchief in one hand. He was led by officers to a police van outside the Boschkop Police Station in eastern Pretoria, where he had been questioned on Thursday and had spent the night in custody.

A policeman was also seen carrying a handgun in a plastic forensic bag outside the Boschkop station. It was believed to be the weapon used to shoot and kill Steenkamp.

Police said the victim was shot four times at Pistorius' villa in a gated community. Officers found a 9 mm pistol inside the home.

Pistorius made history at the London Olympics last year when he became the first double-amputee track athlete to compete at any games. He didn't win a medal but did make the semifinals of the 400 meters and the final of the 4X400 relay, propelling the world's best-known Paralympian to the level of an international track star and one of the world's best-known sportsmen.

But police hinted at a troubled lifestyle away from public scrutiny for the runner Thursday when they said there had previously been domestic incidents at Pistorius' home.

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AP Sports Writer Imray reported from Johannesburg. Associated Press writer Michelle Faul in Johannesburg contributed to this report.

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Jon Gambrell can be reached at www.twitter.com/jongambrellAP and Gerald Imray can be reached at www.twitter.com/geraldimrayap .

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Study: Fish in drug-tainted water suffer reaction

BOSTON (AP) — What happens to fish that swim in waters tainted by traces of drugs that people take? When it's an anti-anxiety drug, they become hyper, anti-social and aggressive, a study found. They even get the munchies.

It may sound funny, but it could threaten the fish population and upset the delicate dynamics of the marine environment, scientists say.

The findings, published online Thursday in the journal Science, add to the mounting evidence that minuscule amounts of medicines in rivers and streams can alter the biology and behavior of fish and other marine animals.

"I think people are starting to understand that pharmaceuticals are environmental contaminants," said Dana Kolpin, a researcher for the U.S. Geological Survey who is familiar with the study.

Calling their results alarming, the Swedish researchers who did the study suspect the little drugged fish could become easier targets for bigger fish because they are more likely to venture alone into unfamiliar places.

"We know that in a predator-prey relation, increased boldness and activity combined with decreased sociality ... means you're going to be somebody's lunch quite soon," said Gregory Moller, a toxicologist at the University of Idaho and Washington State University. "It removes the natural balance."

Researchers around the world have been taking a close look at the effects of pharmaceuticals in extremely low concentrations, measured in parts per billion. Such drugs have turned up in waterways in Europe, the U.S. and elsewhere over the past decade.

They come mostly from humans and farm animals; the drugs pass through their bodies in unmetabolized form. These drug traces are then piped to water treatment plants, which are not designed to remove them from the cleaned water that flows back into streams and rivers.

The Associated Press first reported in 2008 that the drinking water of at least 51 million Americans carries low concentrations of many common drugs. The findings were based on questionnaires sent to water utilities, which reported the presence of antibiotics, sedatives, sex hormones and other drugs.

The news reports led to congressional hearings and legislation, more water testing and more public disclosure. To this day, though, there are no mandatory U.S. limits on pharmaceuticals in waterways.

The research team at Sweden's Umea University used minute concentrations of 2 parts per billion of the anti-anxiety drug oxazepam, similar to concentrations found in real waters. The drug belongs to a widely used class of medicines known as benzodiazepines that includes Valium and Librium.

The team put young wild European perch into an aquarium, exposed them to these highly diluted drugs and then carefully measured feeding, schooling, movement and hiding behavior. They found that drug-exposed fish moved more, fed more aggressively, hid less and tended to school less than unexposed fish. On average, the drugged fish were more than twice as active as the others, researcher Micael Jonsson said. The effects were more pronounced at higher drug concentrations.

"Our first thought is, this is like a person diagnosed with ADHD," said Jonsson, referring to attention deficit-hyperactivity disorder. "They become asocial and more active than they should be."

Tomas Brodin, another member of the research team, called the drug's environmental impact a global problem. "We find these concentrations or close to them all over the world, and it's quite possible or even probable that these behavioral effects are taking place as we speak," he said Thursday in Boston at the annual meeting of the American Association for the Advancement of Science.

Most previous research on trace drugs and marine life has focused on biological changes, such as male fish that take on female characteristics. However, a 2009 study found that tiny concentrations of antidepressants made fathead minnows more vulnerable to predators.

It is not clear exactly how long-term drug exposure, beyond the seven days in this study, would affect real fish in real rivers and streams. The Swedish researchers argue that the drug-induced changes could jeopardize populations of this sport and commercial fish, which lives in both fresh and brackish water.

Water toxins specialist Anne McElroy of Stony Brook University in New York agreed: "These lower chronic exposures that may alter things like animals' mating behavior or its ability to catch food or its ability to avoid being eaten — over time, that could really affect a population."

Another possibility, the researchers said, is that more aggressive feeding by the perch on zooplankton could reduce the numbers of these tiny creatures. Since zooplankton feed on algae, a drop in their numbers could allow algae to grow unchecked. That, in turn, could choke other marine life.

The Swedish team said it is highly unlikely people would be harmed by eating such drug-exposed fish. Jonsson said a person would have to eat 4 tons of perch to consume the equivalent of a single pill.

Researchers said more work is needed to develop better ways of removing drugs from water at treatment plants. They also said unused drugs should be brought to take-back programs where they exist, instead of being flushed down the toilet. And they called on pharmaceutical companies to work on "greener" drugs that degrade more easily.

Sandoz, one of three companies approved to sell oxazepam in the U.S., "shares society's desire to protect the environment and takes steps to minimize the environmental impact of its products over their life cycle," spokeswoman Julie Masow said in an emailed statement. She provided no details.

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Online:

Overview of the drug: http://www.nlm.nih.gov/medlineplus/druginfo/meds/a682050.html

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Kim Kardashian makes another bid to end marriage

LOS ANGELES (AP) — Kim Kardashian's divorce case is returning to court Friday with her attorney urging a speedy end to her marriage to NBA player Kris Humphries.

Lawyers for the pregnant reality star and the Brooklyn Nets power forward disagree over a timetable for a trial to end the marriage, which Humphries wants annulled.

Kardashian is asking a judge to order a trial as soon as possible. Humphries wants the case to remain on hold until the basketball season ends.

Setting a trial date may be complicated by a filing Thursday by one of Humphries' attorneys to leave the case, citing "irreconcilable differences" with Humphries. The attorney, Marshall Waller, had stated in recent court filings that he was still seeking evidence from several companies that produce Kardashian's reality shows to try to prove their fraud claims.

Kardashian's attorney Laura Wasser has repeatedly sought a trial date so that the marriage can be ended and denies that the couple's televised marriage was based on false pretenses.

The model is due to give birth in July to a child conceived with her boyfriend Kanye West. Each side accuses the other of trying to use Kardashian's pregnancy for a legal advantage.

"It appears from (Kardashisan's) moving papers that what is really going on here is that an 'urgency' in the form of an apparently unplanned pregnancy ... is perceived by (Kardashian) as an opportunity to gain a litigation advantage by trying to force this court to prematurely set this matter for trial," Waller wrote in a court filing earlier this month.

"(Humphries) to his great discredit thinks that because (Kardashian) is now pregnant he can exert some leverage over (her) knowing that she wants to be divorced," Wasser wrote.

Kardashian filed for divorce on Dec. 31, 2011 after 72 days of marriage. The pair was married in a star-studded ceremony that was televised by E! Entertainment Television.

The case has already drawn in West, the producers of "Keeping Up With the Kardashians," and Kardashian family matriarch Kris Jenner.

Superior Court Judge Stephen Moloney will determine Friday how the case will proceed. He has previously said the case should be ready for trial early this year.

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Anthony McCartney can be reached at http://twitter.com/mccartneyAP

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Push for online sales taxes pick up steam in Congress

U.S. states could collect millions of dollars in online sales taxes, with members of both parties in Congress sponsoring legislation Thursday that would resolve states' decades-long struggle to tax businesses beyond their borders.

"Small businesses and states alike are suffering from the inability to collect due -- not new -- taxes from purchases made online," said Rep. Steve Womack, R-Ark., adding the legislation is a "bipartisan, bicameral, common-sense solution that promotes states' rights and levels the playing field for our Main Street businesses."

Legislation on the Amazon tax, named for the colossal Internet retailer, has languished for years.

In 1992 the Supreme Court decided the patchwork of state tax laws made it too difficult for online retailers to collect and remit sales taxes. So states can tax Internet only sales made by companies with a physical presence in the states. That means online retailers such as Amazon.com Inc. collect sales tax in some states and not in others.

The bills introduced on Thursday reconcile differences in legislation that the House of Representatives and Senate considered last year. The nearly identical details in the bills and strong bipartisan support mean the final bill could be sent to President Barack Obama this year.

Members of Congress recently assured state lawmakers they would pass a law in 2013.

In the last decade, Internet sales have gone from 1.6 percent of all U.S. retail sales to more than 5 percent, according to Commerce Department data, a proportion that will likely grow as shoppers make more purchases on handheld devices. In the third quarter of 2012,  "e-commerce" sales were $57 billion, the department said.

Large Internet retailers are worried the tax could drive up the cost of doing business. They would also have to create new systems and software to collect the surcharges, adding to their costs. Amazon said in July it prefers having the tax issue resolved at the federal level.

When the 2007-09 recession caused states' revenues to collapse, Republican and Democratic governors backed the tax as a financial solution that would not require federal aid.

A leader in the Republican party, Virginia Gov. Bob McDonnell went so far as to figure online tax revenue into his recent plan for overhauling the state's transportation funding.

"The revenue states are losing out on is legally owed, but because of a pre-Internet Supreme Court ruling, states aren't able to collect it," Sen. Deb Peters, R-S.D., said in a statement.

States and cities say they can recoup billions of dollars with the tax. Fitch Ratings estimates put the states' loss at $11 billion.

Some states are considering their own legislation. Florida is debating a bill that advocates say could bring the state more than $400 million.

Small retailers, meanwhile, have said the sales tax will will allow them to compete with massive online retailers.

"While store owners collect and remit state and local sales taxes their digital competitors are off the hook -- and benefiting because of it," said David French, the National Retail Federation's senior vice president for government relations, in a statement.

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