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The 'Dolomite Problem' Has Baffled Scientists for 2 Centuries—and Now They've Solved It
Although dolomite is relatively plentiful in rocks older than 100 million years, scientists have been unable to replicate the geologic process in the lab—until now. Using a transmission electron ...
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'This is by far the oldest': Scientists discover 3.47 billion-year-old meteorite impact crater in Australian outback
Researchers say they have found "unequivocal evidence" that a meteorite smashed into Earth 3.47 billion years ago, ...