sound frequency | scienceinfo.net

Can dogs sniff and detect sounds from a distance?
Dog's smell and hearing are very special, so they are very different about the world around us.
The scaryness of sound: saving people and destroying each other in a narrow way!
When studying sound, scientists were amazed at what it could do: destroy, and heal.
Detecting sharks can be driven by the nose
One of the great mysteries of sharks is how they navigate a straight line.