Episode · S4E8

Earthquakes in the Midwest/Sleep/Sang-Mook Lee/First Primates

NOVA scienceNOW · Season 4

01/09/2009

Using new data from cave stalagmites and the Mississippi riverbed to understand how and why earthquakes strike in the heartland; the crucial role sleep plays in strengthening memories and facilitating learning; a profile of marine geologist Sang-Mook Lee; paleontologist Jonathan Bloch, who thinks that tiny bones embedded in limestone may be the evolutionary evidence of the creatures that evolved into primates.

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