A round of applause, please: Scientists have finally figured out what’s behind the sound of clapping. The research pinpoints a mechanism called a Helmholtz resonator — the same acoustic concept that ...

Hand clapping is ubiquitous behavior for humans across time and cultures, serving many different purposes: to signify approval with applause, for instance, or to keep time to music. Acousticians often ...

Streaks of gold, green and red glitter rip across the dark sky, crackling like popcorn. A blazing confetti of pink and yellow stars spirals toward the ground, whistling all the way. Turbillions spin ...