Some people hear a persistent hum that nobody else notices. Researchers investigated the mystery and found a surprising ...

Some people occasionally hear a low buzzing or humming sound that doesn't have a clear source. An estimated 2–4% of the world ...

A team of scientists has succeeded in cooling traveling sound waves in wave-guides considerably further than has previously been possible using laser light. This achievement represents a significant ...

This experiment demonstrates how water affects sound waves and pitch. You'll discover how different water levels create different musical notes and learn about the relationship between mass, vibration ...

Researchers have used sound waves to turn stem cells into bone cells, in a tissue engineering advance that could one day help patients regrow bone lost to cancer or degenerative disease. Researchers ...