Life Back Then: Lorna O’Brien
Part 2 of Life Back Then, featuring Lorna O’Brien, evolutionary biologist, University of Toronto, on the fossilized treasure trove of the Cambrian explosion, the Burgess Shale.
by Gary Niederhoff on November 4, 2013
Could your favorite Earthling also be your favorite Martian? Allow me to respond: The answer is "yes." It's possible that billions of years ago, tiny bits of biology quit the Red Planet and infected ours. If so, your family tree -- and that of every other terrestrial life form -- has its deepest roots not in the ancient oceans of Earth, but... (read more)Peruse Seth's previous HuffPo musings