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Designing The Pied Piper Of Fish

Mechanical engineer Maurizio Porfiri, of the Polytechnic Institute of New York University, designs robot fish. A few years ago, he found that real fish would mill about his aquatic robot, and now he's trying to understand why. His research suggests that it has less to do with how the robot looks, than how it makes fish feel.
NPR

Can Helmets Cut Tornado Deaths? CDC Isn't So Sure

One year ago this week, powerful tornadoes killed more than 300 people in the Southeast. Experts now say that some tornado deaths could be prevented if people add one more step when taking cover: wear a helmet. But official guidelines from the CDC call for people to use their hands to protect their heads.
NPR

Countries Losing Steam On Climate Change Initiatives

The International Energy Agency warned energy ministers around the world that they are falling behind in their efforts to wean the world from dirty sources of energy. Nations are nowhere near being on track to avert significant climate change in the coming decade, and just about everything is conspiring to make it harder to clean up the world's energy supply.
NPR

Following Garbage's Long Journey Around The Earth

Americans generate more trash than anyone else on the planet: more than 7 pounds per person each day. Journalist Edward Humes explores how that happened in his new book Garbology: Our Dirty Love Affair with Trash.
NPR

Power (Dis)Play? Teams In Black Draw More Penalties

Hockey teams wearing darker-colored jerseys are more likely to be penalized for aggressive fouls than teams wearing white jerseys, new research finds. And teams wearing black jerseys get penalized the most. It's not clear whether the jersey color increases player aggression or draws more visual attention by referees.
NPR

New U.S. Mad Cow Case Is The First In Six Years

Robert Siegel speaks with Jim Culler, director of the University of California, Davis Food Safety Lab, about a recent report of mad cow disease in the U.S. Culler says this particular strain is rare and not known to cross species. He says the U.S. Department of Agriculture is now in the process of tracing the cow's history to find out where she's been.
NPR

Buying Sustainable Fish Is Getting Easier, But It's Still Hard

Even as some retailers are turning to certification schemes and rating systems to offer consumers trustworthy choices, the art of sustainable seafood buying now requires a sophisticated understanding of geography and science on the part of the consumer.

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