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Life Back Then
Time keeps on ticking, ticking … and as it does, evolution operates to produce remarkable changes in species. Wings may appear, tails disappear. Sea creatures drag themselves onto the shore and become landlubbers. But it’s not easy to grasp the expansive time scales involved in these transformative feats.
Travel through millennia, back through mega and giga years, for a sense of what can occur over deep time, from the Cambrian Explosion to the age of the dinosaurs to the rise of Homo sapiens.
Guests:
Lorna O’Brien – Evolutionary biologist, University of Toronto
Ivan Schwab – Professor of ophthalmology, University of California, Davis. His blog
Don Henderson – Curator of dinosaurs, Royal Tyrrell Museum, Drumheller, Canada
Gregory Cochran – Physicist, anthropologist, University of Utah
Todd Schlenke – Biologist, Emory University
Descripción en español
First released April 2, 2012
Learn more about your ad choices. Visit megaphone.fm/adchoices
View all episodes
By Big Picture Science
4.5
912912 ratings
Time keeps on ticking, ticking … and as it does, evolution operates to produce remarkable changes in species. Wings may appear, tails disappear. Sea creatures drag themselves onto the shore and become landlubbers. But it’s not easy to grasp the expansive time scales involved in these transformative feats.
Travel through millennia, back through mega and giga years, for a sense of what can occur over deep time, from the Cambrian Explosion to the age of the dinosaurs to the rise of Homo sapiens.
Guests:
Lorna O’Brien – Evolutionary biologist, University of Toronto
Ivan Schwab – Professor of ophthalmology, University of California, Davis. His blog
Don Henderson – Curator of dinosaurs, Royal Tyrrell Museum, Drumheller, Canada
Gregory Cochran – Physicist, anthropologist, University of Utah
Todd Schlenke – Biologist, Emory University
Descripción en español
First released April 2, 2012
Learn more about your ad choices. Visit megaphone.fm/adchoices
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