News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   Massimo Sestini/Getty Images |   Ice Age Trigger Molten lava glows in the dark as the Stromboli Volcano erupts on March 2, 2007 in Stromboli, on the Italian island of Sicily. A series of cataclysmic volcanic eruptions gave the planet its polar ice caps, and kicked the ancient climate into a freeze-thaw cycle of ice ages that persists to this day, according to a new theory. | Discovery News Video   « back to article

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