Pulse opens on the rock and ice of Greenland, where geologist Stephen Mojzsis shares a new theory on how water first arrived on Planet Earth. See a dragonfly's incredible journey from India to Africa – the world's longest insect migration. Meet the Munoz family, who use cutting edge time-lapse rigs to show the rare spectacle of deserts around the world exploding from barren wastelands into rich carpets of flowers. But the pulse is under threat.
Cast Appearances
Kelly McEvers
voices Herself (Narrator)Episode Discussion
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