These Fins Were Made for Walking … and Then Swimming By CARL ZIMMER on July 20, 2022 Around 375 million years ago, a giant fish evolved limbs for walking. But some of its descendants reversed course on the evolutionary road, becoming swimmers again. Published in Science & Technology Research CARL ZIMMER More from Science & TechnologyMore posts in Science & Technology »Why Experts Are Urging Swifter Treatment for Children With ObesityPolar Vortex Drives a Cold Snap in AsiaAs the Colorado River Shrinks, Washington Prepares to Spread the PainLatch AppFDA Seeks More Authority to Oversee CBD Products
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