Scientists discovered the oldest known DNA and used it to reveal what life was like two million years ago in the northern tip of Greenland
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@emsque: Exactly #40YearsAgo Doug Geisler was asleep atop Manastash Ridge Observatory. An astronomy grad student, he'd just logged his first excellent night at the telescope for his PhD thesis. He was the only person on the summit, ~90 miles from #MountStHelens... #MSH40