News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   Getty Images |   Where Life Can't Hide More than 250 million years ago, a plume of super-hot material began rising through Earth's mantle, upsetting convection in the core and throwing the planet's magnetic field into disarray. That event may have caused one of the worst mass extinction events in the planet's history, leaving behind a barren volcanic wasteland something like this scene from modern-day Iceland. | Discovery News Video   « back to article

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