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A Nasty Weed May Have Helped Ancient Humans Keep Their Teeth

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Archaeologists have found that for a period of about 7,000 years, people were eating a weed that may have helped them avoid cavities. (This story originally aired on All Things Considered on July 16.)
WAMU 88.5

Remains In Jamestown Linked To Early Colonial Leaders

Scientists from the Smithsonian's National Museum of Natural History and The Jamestown Rediscovery Foundation say they've identified four men buried in the earliest English church in America.
WAMU 88.5

The Democracy Of The Diner

Whether the decor is faux '50s silver and neon or authentic greasy spoon, diners are classic Americana, down to the familiar menu items. Rich, poor, black, white--all rub shoulders in the vinyl booths and at formica counters. We explore the enduring appeal and nostalgia of the diner.

WAMU 88.5

D.C. Council Member David Grosso

D.C. Council Member and Chair of the Committee on Education David Grosso joins us to discuss local public policy issues, including the challenges facing D.C. Public Schools.

NPR

Researchers Warn Against 'Autonomous Weapons' Arms Race

Already, researcher Stuart Russell says, sentry robots in South Korea "can spot and track a human being for a distance of 2 miles — and can very accurately kill that person."

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