News tagged with whistle

How the kettle got its whistle

(Phys.org) —Researchers have finally worked out where the noise that makes kettles whistle actually comes from – a problem which has puzzled scientists for more than 100 years.

Oct 25, 2013 4.7 / 5 (38) 11 | with audio podcast

Waking up memories while you sleep

They were in a deep sleep, yet sounds, such as a teakettle whistle and a cat's meow, somehow penetrated their slumber. The 25 sounds presented during the nap were reminders of earlier spatial learning, though the Northwestern ...

Nov 19, 2009 4.2 / 5 (9) 2

When a whistle beats a tweet

Biologists have discovered that a species of Australian pigeon has a secret way of alerting fellow birds to predators -- a "whistle" emitted by flapping wings when the bird takes off in alarm.

Sep 01, 2009 not rated yet 1

Spanish scientists march against spending cuts

Hundreds of Spanish scientists and their supporters marched through the streets of Madrid Friday as part of a nationwide protest against sharp government cuts to research and development which they say are forcing them to ...

Jun 14, 2013 not rated yet 0