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NPR

Ancient Chompers Were Healthier Than Ours

By examining ancient dental plaque, researchers have concluded that prehistoric humans' diets made for healthier mouths. The addition of flour and sugar to modern diets may have set the stage for a near-constant state of oral disease.
NPR

Flipping The Switch: What It Takes To Prioritize Electric Cars

Estonia now has the world's first nationwide electric car charger network. What would the U.S. have to do to make a similar leap?
NPR

Boston Grapples With The Threat Of Storms And Rising Water

Superstorm Sandy was a wake-up call for the Eastern Seaboard — especially Boston, where flooding rivers can meet a surging ocean, all in Boston Harbor. So what's a city to do? Retreat from the water or better shield buildings from flooding.
NPR

Attack By Chondrite: Scientists ID Russian Meteor

The meteor that caused at least 1,000 injuries in Russia after a startling and powerful daytime explosion one week ago has been identified as a chondrite, the most common type of meteor that falls on Earth. But that hasn't stopped a black-market economy from developing around the fragments.
NPR

Aquarium Dumping Linked To Giant Tahoe Goldfish

The giant fish in Lake Tahoe are thought to be spawning and schooling after being dumped there by aquarium owners.
NPR

Despite Lingering Drought, USDA Predicts A Flood Of Grain

The U.S. Department of Agriculture says farmers may get a record harvest of corn, and a higher supply of soybeans and wheat in 2013. The corn harvest is expected to be up nearly 40 percent over last year's drought-crippled level.
NPR

Ask A Dentist: Facts To Sink Your Teeth Into

An apple a day keeps the doctor away. And, it turns out, the dentist--because that fibery skin is good for your teeth. Dentists Mark Ryder of the University of California San Francisco and Mark Wolff of New York University answer your toothy questions in this episode of our "Ask an expert" series.

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