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Four-Legged Impostors Give Service Dog Owners Pause

People who lack special needs but simply want to keep their pets with them all the time can easily find fake "service animal" certifications on the Web. But those phony credentials can create problems for people with disabilities who legitimately need trained service dogs.

NASA's Latest Mission To The Moon Is On Track

NASA's Lunar Atmosphere and Dust Environment Explorer is on its way to the Moon. It lifted off on time Friday night from NASA's Wallops Flight Facility in Virginia. Some early software problems have been successfully resolved.

Rye Bother? An Inside-The-Barrel Look At American Whiskeys

America is in the midst of a rye whiskey renaissance. Lovers of the spirit say it's spicier, edgier and less sweet than bourbons. But when scientists look at the flavor signatures of American whiskeys, what matters the most isn't always the grain in the bottle.


Purple Sweet Potato A Contender To Replace Artificial Food Dyes

Consumers are demanding "natural" food dyes, and scientists say the purple sweet potato is the most promising source of pigments to make them. But it may be a while before your red Popsicle is made with this kind of vegetable-based dye.
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Richard Dawkins: "An Appetite For Wonder"

The author of "The Selfish Gene" and "The God Delusion" talks about the evolution of his own thinking.


It's OK To Protest In China, Just Don't March

China runs the largest censorship machine in human history, researchers say. But Harvard studies of Internet postings in China suggest that even vitriolic criticisms of leaders and state policies are not what officials want to censor.

From Birth, Our Microbes Become As Personal As A Fingerprint

Trillions of microbes live on and in the human body, tucked into very different ecosystems. Some like the dark, warm confines of the mouth. Others prefer the desert-dry skin of the forearm. The biggest and most active collection of microbes hang out in the gut.

Answering The Cranes' Call: 40 Years Of Preserving Grace

Cranes are elegant and endangered. For four decades, the International Crane Foundation has focused on their conservation. NPR's Jacki Lyden talks to one of the organization's co-founders, George Archibald, about a life spent researching his feathered friends all around the world.

From The Fall Of Failure, Success Can Take Flight

Risking and embracing failure is part of the job for explorers and adventurers like aeronaut Salomon August Andrée. His fatal attempt at reaching the North Pole motivated others to push their own limits. The September issue of National Geographic investigates "famous failures" and why they mattered.

'Memory Pinball' And Other Reasons You Need A Nap

Researchers have found that sleep helps you learn and that when you don't have it, you get cranky. But fundamental questions about this complex function go unanswered. For starters, why do we sleep to begin with?