A SciAm editor explains this core concept of evolution
Episode 3 of our new video podcast, Instant Egghead (subscribe!) tackles the most important development in scientific thinking about evolution since the Modern Synthesis.
As always, the brains behind this operation are writer/director/producer John Pavlus (more posts by him at 60 Second Science here) and cameraman Steven Boling.
Special thanks to science blogger extraordinaire PZ Myers, who screened a first draft of the script.
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