Brain Scientists Trace Rat Ticklishness To Play Behavior
Why and when tickling makes us laugh is still mysterious. But researchers who studied what happens in rat brains when they're tickled say they emit ultrasonic giggles, too — when in the mood for fun.
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Children's Health
November 11, 2016 at 02:00AM
Thứ Sáu, 11 tháng 11, 2016
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