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Posts tagged hearing

November 3, 2010

 

ear with ear bud in it

What Causes The Ringing In Your Ears?

Well, for one thing, the problem goes deeper than just your ears.

March 2, 2009

 

Baby ultrasound

Hearing a Shape

Ultrasound uses high frequency sound waves to create pictures of what is going on in our body.

January 13, 2009

 

Large African elephant in wilderness

Quiet! This Noise is Hurting My Feet

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.

December 15, 2008

 

Girl using hands as megaphone

Megaphones

Have you ever wondered how simple megaphones like cupping your hands around your mouth amplify your voice so well?

November 17, 2008

 

Pregnant Woman

What a Fetus Hears

Researchers placed tiny microphones inside a pregnant woman's uterus and found that outside noises are much lower and muffled; about thirty decibels quieter!

November 3, 2008

 

Mantid on Wet Ground

The Cyclopean Ear

Mantids are some of the most impressive insect predators, regularly snaring other insects or even the occasional lizard, snake or frog.

June 17, 2008

 

The Human Ear

Amazing Little Ears

Humans detect the direction a sound comes from by comparing the difference in time of arrival, or loudness of the sound, so why is there a difference?

August 11, 2005

 

Blindness and Better Hearing

In the Academy Award-winning movie “Ray,” the young, recently blinded Ray Charles is shown to have very finely tuned hearing. Standing very still in the middle of a room, he is able to track down the hushed movements of a small bug. It was even reported that Jamie Foxx, the actor who played Ray Charles, when he was artificially blinded began to tune in to sounds he otherwise would not have noticed. Is it true that blind people have better, almost supernatural hearing abilities? Learn more on this Moment of Science.

July 14, 2005

 

Otoacoustic Emissions

Have you heard the term otoacoustic emissions? They are the noises that your ears generate and emit. Learn more on this Moment of Science.

June 27, 2005

 

Termites, Those Picky Eaters

Termites are often regarded as gluttonous creatures because of the billions of dollars of damage their appetites generate every year for homeowners, but would you believe that termites are actually picky eaters? Learn more on this Moment of Science.

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