Big Picture Science – Life Back Then

by Gary Niederhoff on April 2, 2012

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.

Listen to individual segments here:
Part 1: Deep Time
Part 2: The Burgess Shale
Part 3: Evolution of the Eye
Part 4: Dinosaurs
Part 5: Human Evolution
Part 6: Real-time Evolution

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