Old Salt :: Cover Story :: Philadelphia City Paper :: Philadelphia Events, Arts, Restaurants, Music, Movies, Jobs, Classifieds, Blogs: "The crystals and cinder-block-sized chunks of rock dug out of a cavernous salt mine in Michigan were really, really ancient, part of one of the oldest salt formations in the world. And Russell Vreeland knew that if those rocks contained any DNA, it too would be really, really old. What he found when he brought them back to the laboratory at West Chester University wasn't just old DNA; it was the oldest DNA ever discovered, clocking in at about 419 million years."
Hat tip to Jeff Segal.
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