Researchers measure cavitation noise in trees

(Phys.org) —A team of researchers from Grenoble University in France has found that under experimental conditions, roughly half of the noise created by drying wood is due to cavitation. The team made this discovery while ...

How an objective audiometric test can become even more reliable

Not only can the human ear detect sounds, it can also generate them. If the ear hears the two upper tones of a major triad, it produces the fundamental of the chord which can then be measured. This phenomenon, called "otoacoustic ...

Ear bones reveal spawning secrets of Lake Erie walleye

Ecologists have long believed that fish tend to return to the same river where they hatched in order to spawn. But researchers at Ohio State University have determined that the old rule doesn't always apply -- not for Lake ...

Whales are polite conversationalists

What do a West African drummer and a sperm whale have in common? According to some reports, they can both spot rhythms in the chatter of an ocean crowded with the calls of marine mammals -- a feat impossible for the untrained ...

Revolutionizing the diagnosis of serious disease

Revolutionary ultrasonic nanotechnology that could allow scientists to see inside a patient's individual cells to help diagnose serious illnesses is being developed by researchers at The University of Nottingham.

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