Κυριακή 31 Μαρτίου 2013

ScienceDaily: Top Environment News

ScienceDaily: Top Environment News


Multi-toxin biotech crops not silver bullets, scientists warn

Posted: 30 Mar 2013 10:08 AM PDT

The widely used strategy of endowing crops with redundant toxins to fend off pests rests on flawed assumptions, researchers have discovered. Their study helps explain why pests are evolving resistance much faster than predicted and offers solutions for better agricultural management.

Black bears on the rebound in Nevada

Posted: 29 Mar 2013 09:43 AM PDT

A new study has pieced together the last 150 years of history for one of the Nevada's most interesting denizens: the black bear.

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