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Weekend field trips on the Web

May 9, 2008, 7:22 PM UTC

By Alan Boyle, Science Editor, NBC News

Science @ NASA: Space station tricorder analyzes microbes
Pangea Day: Join a global film event on Saturday
Slashdot: Play a protein-folding game online
'Nova' on PBS: 'A Walk to Beautiful'

Alan Boyle, Science Editor, NBC News

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