What's Swimming In The River? Just Look For DNA

by jeeg 26. July 2013 21:54
If you want to protect rare species, first you have to find them. In the past few years, biologists have developed a powerful new tool to do that. They've discovered that they can often find traces of animal DNA in streams, ponds — even oceans. The idea took root just five years ago, wh... [More]
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