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By lassoing lizards, putting tiny chips on their legs, and tracking them for three years, Georgia Tech's James Stroud revealed why species often appear unchanged for millions of years despite Charles Darwin's theory of constant evolution.
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For years, scientists assumed these four groups evolved these ultrafast wingbeats separately, but research from the Georgia Institute of Technology and the University of California, San Diego (UC San Diego) shows that they evolved from a single common ancestor. This discovery demonstrates evolution has repeatedly turned on and off this particular mode of flight. The researchers developed physics models and robotics to test how these transitions could occur.
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