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A reporter's PressPass is required to access this story until the embargo expires on 26-Nov-2014 1:00 PM EST

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EMBARGOED

A reporter's PressPass is required to access this story until the embargo expires on 26-Nov-2014 1:00 PM EST

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NIH Scientists Determine How Environment Contributes to Several Human Diseases

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Using a new imaging technique, National Institutes of Health researchers have found that the biological machinery that builds DNA can insert molecules into the DNA strand that are damaged as a result of environmental exposures. These damaged molecules trigger cell death that produces some human diseases, according to the researchers. The work, appearing online Nov. 17 in the journal Nature, provides a possible explanation for how one type of DNA damage may lead to cancer, diabetes, hypertension, cardiovascular and lung disease, and Alzheimer’s disease.

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When Dogs Drink Water

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If you've ever watched a dog drink water, you know that it can be a sloshy, spilly, splashy affair -- in other words, adorable. Behind all of the happy, wet messes, however, lies the mechanical logic of carnivorous compensation -- dogs splash when they drink because they have the cheeks of a predatory quadruped. By studying the drinking habits of various dog breeds and sizes, researchers have recently identified and modeled the fluid dynamics at play when dogs drink water.

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New Plastic that Disappears When You Want It To

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Plastic populates our world through everything from electronics to packaging and vehicles. Once discarded, it resides almost permanently in landfills and oceans. A discovery by researchers at North Dakota State University, Fargo, holds scientific promise that could lead to a new type of plastic that can be broken down when exposed to a specific type of light and is reduced back to molecules, which could then be used to create new plastic. The research by the Center for Sustainable Materials Science is published in Angewandte Chemie.

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Social Media Partly to Blame for Busybody Culture, Says Professor

The recent explosion of social media in our lives and domination of the air waves by so many "experts" are among the reasons people don't feel free to live their lives as they wish, according to Philosophy Professor John Lachs.

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Is Interstellar’s Science So Stellar?

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Interstellar features astronauts who take a wormhole ride to another galaxy to explore planets around a massive black hole. In a conversation last week, Berkeley Lab's David Schlegel discussed the science in the movie and what Hollywood could learn from scientists about fantastic settings in outer space.

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Next-Door Leopards: First GPS-Collar Study Reveals how Leopards Live with People

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In the first-ever GPS-based study of leopards in India, led by WCS and partners has delved into the secret lives of these big cats, and recorded their strategies to thrive in human-dominated areas.

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Life's Extremists May Be an Untapped Source of Antibacterial Drugs

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Life's extremists, a family of microbes called Archaea, may be an untapped source of new antibacterial drugs. That conclusion arises from the discovery of the first antibacterial gene in this ancient lineage.

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New Study: Jogging Keeps You Young

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A new study by researchers at Humboldt State University and the University of Colorado, Boulder is shedding light on an unexpected benefit of jogging in older adults.

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