An entomologist is standing on the porch at a party, watching sphinx moths flit around. A guy asks him if the moths have ears. Who knows? He pulls out his car keys and shakes them at the moths. They dart away, alarmed by the ultrasonic noise the metal generates. (The chunks of plastic we carry around now are useless for party tricks like these.) Back at his laboratory, he pokes around until he finds two ear-like structures near the moth?s mouth. Its trick for evading bats at night by dodging their high-pitched cries is finally understood.
Read full article >>
Source: http://feeds.washingtonpost.com/click.phdo?i=a9d519b4df2c4be7c6006c19fcb3e53a
Aucun commentaire:
Enregistrer un commentaire