ITHACA, N.Y. — Every time you applaud at a concert or celebrate a touchdown, your hands are performing a feat of physics that scientists have puzzled over for decades. Cornell University researchers ...

WHEN I WAS GROWING UP, I ENVIED SALLY CULVER. Though she was five years younger, she had somehow managed to get herself a fan club. It began one summer evening, when Mrs. Culver brought her 1 year-old ...

One readily noticeable pathognomonic trait of autism is hand-flapping—a stereotyped motor movement that can look a bit like an attempt to accelerating the drying of nail polish. Not all with autism do ...

Clapping is a behavior so deeply rooted in human beings it’s almost an instinct. You can see babies and toddlers clapping just because everybody else is, and if you’ve ever felt the pressure to be ...

Scientists have finally unravelled the complex process that generates sound during handclaps, a discovery that shows how even simple acts can be rich with physics. The research, published in the ...