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Smithsonian Magazine on MSN8h
The Secrets of How Life Began May Be Hidden Inside the World’s Oldest RocksSmithsonian researchers trekked to a remote site in northern Canada to collect four-billion-year-old rock samples that could ...
Live Science on MSN14h
North America's 'broken heart': The billion-year-old scar from when the continent nearly ripped apartThe Midcontinent Rift is a giant tear that formed in what is now the U.S. Midwest 1.1 billion years ago. Nicknamed North ...
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