A Moment of Science
There's almost no difference between one person's vocal cords and another's, except that men generally have larger vocal cords than women.
We've all heard the creaking sound of snow in winter. Did you know there is science behind the sound?
Want worms without paying for them? Try worm grunting!
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.
To us, it’s a relaxing sound. To female frogs, it’s downright sexy. The louder the chirp, the more interesting the male. So what’s a Romeo frog to do if his voice isn’t quite up to volume?
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