|Friday, Mar 16, 2012 - 9:30 AM
"Invading Crayfish, Underwater Robot, Grizzly Destroyers"
Segments in this show include a look at robotic underwater gliders that investigate mysterious "dead zones" off the Pacific coast. Also, young students in Oregon learn how destructive crayfish were transported across the Rockies for science experiments in their own school, and a landfill gets a second career as a solar power station. G
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