A 250 million-year-old insect could inspire an ultrathin wallpaper that absorbs sound
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About 65 million years ago, right around the time dinosaurs went extinct, bats evolved the ability to echolocate. They would produce clicks with their mouth or nose and listen for echoes of those clicks bouncing off surfaces and animals in the dark. Bats were major predators of moths, so many moths evolved ears that are […]
