Here's a message which will appear if the video isn't supported. A Flash alternative can be used here if you fancy it.
Aug 2, 2015 10:25 PM
2009 Fall, How Fast is Evolution?
Saturday Morning Physics - Current Videos - 2009 Fall, How Fast is Evolution? - Philip Gingerich talks about how there is little discussion of evolution, and it's role in understanding the past, explaning the present and the future.