Related topics: brain · sound waves

Building blocks of bird babble identified

A new study by an international team headed by the University of Zurich sheds light on whether animal vocalizations, like human words, are constructed from smaller building blocks. By analyzing calls of the Australian chestnut-crowned ...

Bats use leaves as mirrors to find prey in the dark

On moonless nights in a tropical forest, bats slice through the inky darkness, snatching up insects resting silently on leaves—a seemingly impossible feat. New experiments at the Smithsonian Tropical Research Institute ...

Confirmed: In space no one can hear you scream

The old tagline "in space no one can hear you scream" has been confirmed by a South African mother loudly shouting for her children to tidy their room from 33,000 meters above the ground. Or not so loudly, as the case appears ...

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Sound

Sound is a travelling wave which is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing and of a level sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.

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