An unexpected anomaly was found in the Pacific Ocean – and it could be a global time marker
There seems to be too much of a radioactive element in rocks deep in the Pacific Ocean – how did it get there 10 million years ago?
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Glaciers ‘bulldozed’ snowball Earth and changed ocean chemistry, paving the way for complex life, scientists say
More than half a billion years ago on a frigid, ice-covered Earth, glaciers stirred up ingredients for complex life by bulldozing land minerals and then depositing them in the ocean, according to a ...