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Posts tagged sound

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!

May 19, 2008


Cracking Whip

A Supersonic Whipper-snapper

Remarkably, when someone cracks a whip they actually make the tip of the whip move faster than the speed of sound. The crack is actually a miniature sonic boom.

October 9, 2007


Man Plugging Ears


You possibly already know that hearing loss affects millions of Americans every year, but did you know that hearing "gain" is also a widespread problem?

April 16, 2007



Don’t Talk Behind My Back

Did you know whispering behind someone's back rather then in front of them is better for secret telling?

July 11, 2006



Babies Choose the Words They Learn

Did you know a 10-month old baby is able to learn words?

December 20, 2005


Tin Can Phone

Kids these days have so many electronic toys it’s possible to grow up without ever discovering the best toy in the world, the tin can telephone. Moms and Dads, take note! Lots of science-types agree that kids will remember a toy you build with them years after they have forgotten the latest plastic gizmo. 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.

May 3, 2005



Energy can neither be created out of nothing, nor disappear into nothing, all it does is change forms. Learn more on this Moment of Science.

March 31, 2005


Smelling in Stereo

Why do snakes have forked tongues and why do they flick them? Learn more on this Moment of Science.

March 10, 2005


Stress and its Aftereffects

A recent study shows men and women respond differently to stressors. Learn more on this Moment of Science.

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