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Fluoride In Drinking Water? No Thanks, Says Florida County

Public health officials say the evidence is solid that fluoridated drinking water helps protect teeth. But that hasn't stopped opponents from lobbying local governments against the practice.
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Exploring Supernovae Leads To Physics Nobel Prize

Astrophysicist Saul Perlmutter is part of the team that was awarded the 2011 Nobel Prize in physics for the discovery that the expansion of the universe is not slowing down but is accelerating. The results of that research suggest the universe is filled with dark energy.
NPR

Veterans To Create World's Largest Medical Database

The Department of Veterans Affairs is way ahead of the curve when it comes to electronic medical records, which it's been collecting for 25 years. The Million Veteran Project launched this year is an effort to pair the records with blood samples — which contain DNA — from 1 million veterans.
NPR

Polka-Dotted Horses? Cave Art May Not Be Fantasy

There is art beyond price in the caves of southwestern France. The paintings date back to the Paleolithic period and depict spotted horses, which, according to new research, may actually be how horses looked at the time. Guest host Linda Wertheimer speaks with Professor Terry O'Connor of the University of York in the United Kingdom about the ancient art.
NPR

Air Pollution: Bad For Health, But Good For Planet?

In addition to carbon dioxide, power plants also spew chemicals like nitrogen and sulfur into the air. This complicated soup actually offsets some global warming by reflecting sunlight into space and pulling carbon dioxide from the air. But the long-term effects of reducing these emissions aren't fully understood.
NPR

'Steve Jobs': Profiling An Ingenious Perfectionist

For years, Steve Jobs courted biographer Walter Isaacson to write the definitive story of his life. When Isaacson learned how sick Jobs really was, he accepted. Here he discusses profiling the tech visionary, a task that often involved reconciling Jobs' recollections with those of his friends, family and colleagues.
NPR

Cure Winter Blues With Light Therapy

Or The Beach — Seasonal depression, or seasonal affective disorder, affects some five percent of Americans in the winter as daily sunlight hours dwindle. Psychiatrist Richard A. Friedman discusses the evolutionary origins of the winter blues, and treatments ranging from light therapy to a trip to the beach.
NPR

Rethinking How Kids Learn Science

How important are museums, TV shows and after school clubs to teaching kids science? Ira Flatow and guests look at "informal science education" and what researchers are learning about learning science. Plus, what's the best way to keep undergraduate science majors in science?

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