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Artist's rendition of a family of pterosaurs, which had massive wingspans of up to 13 feet and likely ate fish with their large teeth-filled jaws. Illustrated by Zhao Chuang hide caption

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Illustrated by Zhao Chuang

A coalition of mental health advocacy groups is calling on federal regulators, state agencies and employers to conduct random audits of insurers to make sure they are in compliance with the federal Mental Health Parity and Addiction Equity Act of 2008. Roy Scott/Getty Images/Ikon Images hide caption

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Roy Scott/Getty Images/Ikon Images

Women's Role In The European Agricultural Revolution Revealed

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Bacterial cells can now read a synthetic genetic code and use it to assemble proteins containing man-made parts. Gary Bates/Ikon Images/Getty Images hide caption

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Gary Bates/Ikon Images/Getty Images

Scientists Train Bacteria To Build Unnatural Proteins

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Gene Therapy Shows Promise For A Growing List Of Diseases

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A virtual reality program developed by NASA could help scientists visualize the magnetic fields around the earth. NASA hide caption

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NASA

NASA Taps Young People To Help Develop Virtual Reality Technology

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A chimpanzee skull, at left, and a human skull. Scientists are probing why our brains evolved so differently despite many similarities. D. Roberts/Science Photo Library/Getty Images hide caption

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D. Roberts/Science Photo Library/Getty Images

Astronauts aboard the International Space Station took this image of southern Scandinavia lit up at night. A green aurora is visible over the horizon. NASA hide caption

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NASA

Earth Is Lit, And That's A Problem

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A new report reveals how the industry influenced research in the 1960s to deflect concerns about the impact of sugar on health — including pulling the plug on a study it funded. Karen M. Romanko/Getty Images hide caption

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Karen M. Romanko/Getty Images

What The Industry Knew About Sugar's Health Effects, But Didn't Tell Us

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Doctors think the chronic pain of "shoulder impingement" may arise from age-related tendon and muscle degeneration, or from a bone spur that can rub against a tendon. Michele Constantini/PhotoAlto/Getty Images hide caption

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Michele Constantini/PhotoAlto/Getty Images

Popular Surgery To Ease Chronic Shoulder Pain Called Into Question

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The core of the RBT-3 reactor at the Research Institute of Atomic Reactors in Dimitrovgrad, Russia. Some scientists suspect the institute's work on medical isotopes might explain radioactivity detected over Europe. Sovfoto/UIG via Getty Images hide caption

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Sovfoto/UIG via Getty Images

Clues In That Mysterious Radioactive Cloud Point Toward Russia

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A farmer plows his field with an ox-pulled plow in China's Guangxi province. Archaeologists think that domesticated farm animals increased inequality in some ancient societies. Peter Parks/AFP/Getty Images hide caption

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Peter Parks/AFP/Getty Images

From Cattle To Capital: How Agriculture Bred Ancient Inequality

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