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A Growth Factor Heals The Damage To A Preemie's Brain — In Mice

Scientists have shown that damage to the brain's "white matter" is responsible for many of the developmental problems that very premature infants often face. Now researchers have also demonstrated that it's possible to prevent that sort of damage in mice.
NPR

Ambassador Kennedy Criticizes Japan's Dolphin Hunt

The dolphin roundup by a Japanese community is an annual hunt. But this time, new U.S. ambassador to Japan Caroline Kennedy has weighed in with displeasure. That puts her on the side of several wildlife and animal rights advocates who've condemned the annual slaughter. The Japanese defend it as traditional — just as the U.S. does with native Alaskans who kill whales.
NPR

Ancient And Vulnerable: 25 Percent Of Sharks And Rays Risk Extinction

"People know about the global trade in shark fins, but few know that some of the most valuable fins ... used in shark fin soup come from the sharklike rays — species like sawfishes and wedgefishes and guitarfishes," says Sonja Fordham, who contributed to a new analysis of the fisheries.
WAMU 88.5

Animal Welfare And The Food We Eat

Two pork producers say they'll improve treatment of their hogs and sows in a move that's been applauded by animal welfare groups. We explore animal welfare and the food we eat.

NPR

Mild-Mannered Stingrays Can Inflict A World Of Hurt

These cousins of the shark send thousands of waders and surfers yelping for medical help each year. A powerful toxin in the barb of the ray's tail triggers a "knifelike pain" that can last for hours. Best prevention? Do the "stingray shuffle."
NPR

Profiting From Rhinos, Far From Their Habitat

According to Bloomberg Businessweek, Rhinoceros horns now sell for more on the black market than cocaine or heroin. Demand from Southeast Asian consumers is primarily to blame. In order to cash in, thieves have begun targeting a different kind of rhino habitat: museums. NPR's Arun Rath speaks with journalist Adam Higginbotham about the so-called "Rathkeale Rovers," a gang suspected of several thefts.
NPR

To Save Threatened Owl, Another Species Is Shot

The rare northern spotted owl species faces habitat loss and, now, intruding barred owls. A biologist, and the federal government, have made a difficult decision — killing one owl to ward off the extinction of another.
NPR

Australian Agency Studies Bees Colony Collapse Disorder

The National Science Agency hopes to shed light on why honeybees mysteriously disappear from their hives. Researchers attached tiny electronic sensors to 5,000 bees.
NPR

Months After 'Blackfish' Release, Controversy Over SeaWorld Grows

An anti-SeaWorld movement has unfolded online and on social media in the wake of the documentary about the death of an orca trainer at the park. Musical acts and schoolchildren have boycotted the theme park — but it's still drawing big crowds.
NPR

The Science Behind Flying In V Formation

The motivation for flying with other birds in V formation is probably to save energy, say researchers who tracked the pattern of wing flaps in an ibis flock. Each bird in the V catches a bit of lift from the bird ahead.

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