Ancient four-legged whale from Peru walked on land, swam in sea

Scientists have unearthed fossils in a coastal desert of southern Peru of a four-legged whale that thrived both in the sea and on land about 43 million years ago in a discovery that illuminates a pivotal stage in early cetacean evolution.


Reuters: Science News

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America’s Electric Grid Has a Vulnerable Back Door—and Russia Walked Through It

A Wall Street Journal reconstruction of the worst known hack into the nation’s power system reveals attacks on hundreds of small contractors. The hackers then worked their way up the supply chain. Some experts believe two dozen or more utilities ultimately were breached.
WSJ.com: WSJD

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