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.
Ken "The Bug Guy" MacNeil, host of the Science Channel's Bugging Out, has opened a pet shop devoted to insects in Tucson, Ariz. His inventory of about 10,000 includes tarantulas, scorpions and hissing cockroaches from Madagascar, all for sale as pets.
Black bear body parts are harvested all over the world, used in Asian medicine and cooking. Until this year, New York was one of a few states where the trade was unregulated. Wildlife biologists say the lack of oversight made it impossible to track how many animals were being killed and butchered illegally.
In 1984, the brutal killing of a mother of six gripped D.C. Eight young men were convicted and sent to prison. On Monday, a judge will begin hearings on whether those convicted should get a new trial--or even be exonerated. We speak with...
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