A Moment of Science
Have you ever heard a strange buzzing or ringing in your ear that went away after a few seconds? What is that strange occurrence called?
To interpret a barrage of information, sharks have developed a relatively large and complex brain...
Do your ears a favor in 2012 and resolve to turn down the volume.
How tiny stones inside our heads tell us which way is up...
Well, for one thing, the problem goes deeper than just your ears.
Ultrasound uses high frequency sound waves to create pictures of what is going on in our body.
Cowboys in Western movies sometimes puts their ear to the ground to listen for a stampede or wagon train. Elephants can also communicate by hearing vibrations.
Have you ever wondered how simple megaphones like cupping your hands around your mouth amplify your voice so well?
Researchers placed tiny microphones inside a pregnant woman's uterus and found that outside noises are much lower and muffled; about thirty decibels quieter!
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