Scientists discover oldest reef constructed by animals
Windhoek, Namibia (UPI) Jun 27, 2013 - Scientists say they've located the oldest animal-built reef on Earth among the dry, land-locked sands of Namibia, evidence of the first animals to barricade themselves behind hard, protective shells. It's often said that technology mimics nature, but nearly as often, nature mimics nature. Such was the case 550 million years ago, scientists say, when coral-like creatures called Cloudina ... more
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