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Where You Live May Determine What Lives Inside Your Mouth

Oral bacteria may be determined by environment, not genes, scientists say. That's different from other parts in the body, like the gut, where bacteria may be influenced by genome or immune system.
NPR

2012 Nobel Prizes Recognize Pioneering Science

The 2012 Nobel Prize winners were announced this week, and research on stem cells, cloning, cell receptors and quantum optics took center stage. Experts discuss how the work of this year's Nobel laureates changed our understanding of our bodies, and the world around us.
NPR

Medicare Comments From VP Debate 'In Context'

When the vice presidential debate turned to health care Thursday night, it took the candidates into the factual minefield of Medicare. Audie Cornish talks with health policy correspondent Julie Rovner, who points out a few liberties that were taken during the debate.
NPR

Enter an Optical Illusion

Artist Julian Hoeber's "Demon Hill," now on view at the Harris Lieberman Gallery in New York City, is modelled after a roadside attraction called a "gravitational mystery spot" — where water runs uphill and gravity doesn't behave as expected. Science Friday talked to cognitive scientist Michael Landy about what happens to our perceptual system inside the exhibition.
NPR

Feds To Debate Marijuana As Medicine

The federal government lists marijuana as a Schedule I controlled substance--meaning it has no medically accepted use. Next week, interest group Americans for Safe Access will present the scientific case for marijuana's therapeutic effects to a federal appeals court, in hopes of relaxing federal restrictions. Oncologist Donald Abrams reviews the evidence on cannabis.

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