Friday, March 17, 2006

News in Science - Frog croaks in ultrasound - 16/03/2006




Related Resources
Why does Helium Make My Voice go Sqeaky?

Why does the volume increase when alarge group of humming people join hands
frequency


Elsewhere on the Web
Frogland - AllAboutFrogs.org

How Ultrasound Works

A rare frog uses ultrasound to communicate, a clever tool that helps it overcome the noise of the waterfalls it lives in, researchers say.The concave-eared torrent frog (Amolops tormotus) is the first non-mammalian species known to use the ultra-high frequencies that humans cannot hear.It joins bats, dolphins and whales, and a small number of rodents, in the elite club of creatures that can communicate this way.

Read more at www.abc.net.au/science/...

No comments: