ARTICLE AD BOX
Researchers at the University of Southampton have found new evidence that Earth's climate did not completely grind to a halt during its most extreme ice age, a time often called Snowball Earth.
This dramatic chapter unfolded during the Cryogenian Period, between 720 and 635 million years ago. Scientists have long thought that during this interval, the planet's climate system essentially shut down.
Massive ice sheets stretched all the way to the tropics,...

5 days ago
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