Clever Apes: Rock-Paper-Scissor

"Charles Darwin ushered in modern biology with his explanation of how different species evolve. But his work leaves us with a paradox: Why should dozens or even thousands of species coexist in a single habitat? The theory suggests they ought to duke it out until just a few winners dominate. And yet we have such magnificent biodiversity all over. More than 2,000 species of trees share a single acre of rainforest in the Amazon. So what gives?"

You can download the episode here:

http://www.wbez.org/blog/clever-apes/2011-11-22/clever-apes-22-paper-covers-rock-94295