Researchers claimed in late 2010 that they found bacteria in Mono Lake, Calif., that survived on the poison arsenic in the place of an element thought essential to life. The report was immediately greeted with skepticism from the scientific community. Ben Margot/AP hide caption

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Ben Margot/AP

Debunked Science: Studies Take Heat In 2011

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A tufted capuchin uses a stone hammer to crack open a nut in Brazil's Parnaiba Headwaters National Park. Ben Cranke/Getty Images hide caption

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Myth Busting: The Truth About Animals And Tools

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A Harvard study found dramatically higher BPA exposure in people who ate canned soup. The researchers used different varieties of Progresso-brand vegetable soups, but BPA is found in the epoxy resins used to coat the inside of many food and beverage cans. Maggie Starbard/NPR hide caption

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Maggie Starbard/NPR

The most common cause of brain injury in premature infants is a lack of oxygen in the days and weeks after birth, researchers say. Ibrahim Usta/AP hide caption

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Ibrahim Usta/AP

Why Brain Injuries Are More Common In Preemies

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Steinman Dies Days Before Receiving Nobel Prize

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3 Scientists Win Nobel For Immune System Studies

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Red wine's rep as a fountain of youth is facing a challenge. iStockphoto.com hide caption

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iStockphoto.com

What's In That Wine Glass May Not Prevent Aging After All

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A healthy gypsy moth caterpillar on a leaf. Outbreaks of gypsy moths damage roughly 1 million acres of forest in the U.S. each year. Michael Grove/Science/AAAS hide caption

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Michael Grove/Science/AAAS

How A Clever Virus Kills A Very Hungry Caterpillar

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The brain "seems to be specialized in alerting us to things that are emotionally important to us — either positive or because they're scary," a scientist says. iStockphoto.com hide caption

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iStockphoto.com

Human Brain Responds To Animals, Cute Or Creepy

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Not A Monster Storm, But Irene Still Packed A Punch

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A convoy of Walmart trucks waited to enter New Orleans on Sept. 1, 2005, after the city was battered by Hurricane Katrina. Government agencies said the massive storm taught them that big-box retailers need to be an integral part of hurricane preparation and relief efforts. Nicholas Kamm/AFP/Getty Images hide caption

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Nicholas Kamm/AFP/Getty Images

Big-Box Stores' Hurricane Prep Starts Early

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This image shows the above-normal water temperature in the Pacific Ocean during the December 1997 El Nino. Green-blue colors represent normal temperatures; dark red indicates hotter water. NOAA hide caption

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NOAA

El Nino Seen As Trigger For Violence In The Tropics

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The P-3B NASA research aircraft, seen on the tarmac at Baltimore Washington International Airport on June 28, will gather data as it flies spirals over six ground stations in Maryland. Paul E. Alers/NASA hide caption

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Paul E. Alers/NASA

NASA's Eyes In The Sky Study Pollution On Earth

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