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Two nurse sharks hover over a baited cage
Lesson Plan

I, Robot, Can Do That

 Students describe and contrast three types of underwater robots. Students discuss...
Mon, 11/30/2009 - 18:59
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A team of scientists explore the Arctic ocean.
slideshow

Under Arctic Ice

 Hidden beneath Arctic ice is a world few have ever seen. Take the icy plunge with a...
Tue, 01/04/2011 - 14:48