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NPR

Ice Age Co-Stars: Horses, Camels And Cheetahs

Mammoths and saber-toothed cats may be the most famous beasts of the Ice Age. But they shared the prairie with horses and camels, too--both of which evolved in North America and crossed the ice bridge into Eurasia, before disappearing here. Matthew Kohn and Christopher Hill talk about the lesser-known fauna of the Ice Age.
NPR

The Biology Of Birds Of Prey

The Snake River area near Boise, Idaho has one of the world's highest concentrations of nesting raptors. Biologists Mark Fuller, Julie Heath & Chris Parish join Ira Flatow for a look at raptor biology, and the threats the birds are facing. Plus, bringing back the California condor.
NPR

Fires And Invasive Grass Threaten American West

Cheatgrass, an invasive weed, is choking out native sagebrush in the Great Basin--and setting the stage for hotter, more catastrophic fires there. Jen Pierce, an expert on ancient fires, and Mike Pellant, of the Great Basin Restoration Initiative, talk about how fires are reshaping landscapes in the American West.
NPR

Despite Record Drought, Farmers Expect Banner Year

After the Midwest's driest summer in decades, farmers are assessing their losses and gains. Despite the hit many farms took, the Agriculture Department predicts record high farm income this year, thanks to higher prices and federally subsidized crop insurance.
NPR

Biodegradable Electronics Could End Toxic Trash

A future in which a discarded cell phone dissolves into a landfill, rather than living on for thousands of years as garbage, may not be that far off. Melissa Block talks with John A. Rogers, a 2009 MacArthur Fellow and professor of engineering at University of Illinois, about his research into "transient electronics."
WAMU 88.5

Environmental Outlook: "On a Farther Shore" By William Souder (Rebroadcast)

For this month's Environmental Outlook: Rachel Carson’s "Silent Spring" was published 50 years ago this month. The book launched the modern environmental movement. Biographer William Souder on the life and legacy of Rachel Carson.

WAMU 88.5

Metal Cylinder Holding Weight Of The World Mysteriously Changes

The world depends on one chunk of metal for measuring the mass of everything on earth. We check out a copy of that official kilogram in Gaithersburg, and explore why the cylinder's mass is mysteriously changing.

WAMU 88.5

Getting Outside This Fall

If you're looking to get outdoors this fall, there are hidden gems around the region to explore. Join us for tips on where to enjoy the great outdoors this season.

NPR

Tourists Banned From India's Tiger Reserves

India's Supreme Court has temporarily banned tourism in core areas of the country's 41 tiger reserves. The unexpected and controversial ruling is aimed at protecting the last of India's 1,700 tigers.
NPR

Bolivia's Cerro Rico: The Mountain That Eats Men

Centuries of silver mining have left Cerro Rico mountain in the southern highlands of Bolivia on the verge of collapse. The Spanish forced Quechua Indian slaves into the mines to bankroll their empire. Today, the Quechua own the mines, but conditions here are still brutal.

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