Venture beneath our planet's crust for a look at the powerful geological forces that keep life on the move and adapting to plate tectonics, earthquakes and super volcanoes.
Discovery Channel - 100 Greatest Discoveries 9/9 Top Ten Documentary 2017 What are the 10 greatest scientific discoveries of all time? Find out which of the original 100 were voted by viewers.
Discovery Channel - 100 Greatest Discoveries 1/9 Astronomy Documentary 2017 Copernicus first theorized that the Sun was the center of our solar system, but it took the work of Johannes Kepler.
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