Scientists trying to determine where the missing heat from the Earth comes from have turned to an unlikely source: a microwave oven.
Researchers have found that the vast majority of brimstone — reverently referred to in biblical times as "burning stone," but now known more commonly as sulfur — dwells deep in the Earth's core.
New research claims to have solved a messy paradox that has plagued geoscientists who study Earth's core and its life-protecting magnetic field.
Continents move, but what got them going? A new computer model shows it was gravity. Whole continents flattened out under their own weight.
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