Fossils, Genes, and Gaps

I've posted before about Neil Shubin's remarkable work in uncovering fossils from the time when vertebrates made the transition from water to land, about 375 million years ago, and a fascinating story it is. Here's a recent lecture given by Shubin at UC Berkeley in March 2009.

The Great Transitions in Evolution:

Note: the first 5 or 6 mins is someone introducing the person who introduces the person who introduces Neil Shubin, so skip forward to 5:30 or so.
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Via Atheist Media Blog.