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Dog Mouth Vs. Human Mouth

Some people believe that a dog's mouth is cleaner than a human's. While this may be true, which mouth is more dangerous to people?

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The Trick Inside A Trick Candle

No sooner are they blown out, then they re-light and can be blown out again. How can a candle light itself?

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Exploding Water

Heating water in the microwave seems quick and easy, but you may be taking a dangerous risk.

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Make Your Own Compass

Learn this old sailing trick and find your way back to shore!

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The Floating Needle

Here's a neat experiment you can try at home!

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Getting It Backwards

Why are letters reversed in a mirror? Try this experiment with pen and paper.

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What Makes A Yo-Yo Yo?

What Makes a Yo-Yo Yo?

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An Easy Way To Teach Your Kids About Displacement

Why does a sheet of tin foil float but a ball of tin foil sink?

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Which Hits The Ground First: A Golf Ball Or A Bowling Ball?

Yes, the classic physics question is visited again. A Moment of Science learns about mass and gravity.

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What Is Forward Momentum?

It's time again for the Moment of Science Physics Quiz!

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When It Smells Like Rain

It smells like rain, but how? Find out in today's A Moment of Science.

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The Shape of a Whirlpool

A whirlpool is the result of two forces acting against each other.

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Why Frisbees Fly

With a gentle flick of the wrist on a warm summer day, you can launch a frisbee on a long and graceful flight. Why do they fly so well?

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Haven’t We Met?

If you suffered from the neurological disorder called "facial agnosia," you might not recognize the faces of close friends and family. How could this happen?

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How Do You Make A Diet-Coke Float?

Here is an at home experiment you can try! Learn about molecular density!

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Swinging Physics: Potential And Kinetic Energy Working Together

How is swinging on a swing related to physics? What are potential and kinetic energy?

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Guys and Their Video Games

It's no surprise that guys are more into video games than girls, it's science!

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Parkin’ and Honkin’

Ever notice how angered you get when you’re waiting for someone to leave a parking spot that you want? Learn why on this Moment of Science.

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Good Morning, Dave

In the middle of the last century, British mathematician Alan Turing proposed the following test for determining whether a computer could think...on its own!

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Why You Can’t Knock Down a Clown

Remember those inflatable clowns that stood about three feet high and had big red noses, meant for punching? Hit the clown as hard as you could, right back up.

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Hypnic Jerks

Have you ever been lying in bed, about to fall fast asleep when your leg jerks suddenly, snapping you awake?

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Caffeine Persuasion

Have you ever bought coffee for someone to butter them up? A group of scientists set out of discover if this angle really works.

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Get Angry, Think More Clearly

Say you're about to take a test or give an important presentation at work, would you rather be calm and collected or angry and agitated?

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A Candle in the Dark

You light a candle in a dark room. Now suppose a mirror is brought in. Is the room brighter?

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Circuitous Plumbing

Why all the twists and curves? Find out several reasons why straight drainpipes are not a good idea!

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Superballs!

Ever wonder what makes super balls so super bouncy?

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Cool Cash

It neat, it's educational, and best of all, it doesn't involve anything that could explode or become poisonous or make a terrible smell.

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A Ping Pong Physics Trick

Here's a question for you: Do you think you could produce enough wind to blow a ping pong ball out of a funnel?

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Penny Stack

Here's a question of burning scientific importance: How high can you stack pennies before they fall over?

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Laughter is a Social Signal?

Laughter research has found that less than 20% of laughter is a sincere response to someone's humor. In fact, it's primarily a social signal.

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Recent Audio Podcasts

Hoofing It

Horse with horseshoes gallops through muddy terrain

Wild horses don't need horseshoes, but domesticated horses travel paved surfaces that wear down their hoofs at an uncomfortable rate.

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Dwarf Planets

Pluto and its large moon Charon are depicted in this artistâs concept. The distant Sun appears as a very bright star. Prepared for NASA by Norman W. Lee and Stephen Paul Meszaros

Astronomers made a big discovery in determining Pluto's dwarf planet credentials.

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Rejuvenating Your Skin

Alligator nest

Daily moisturizers promising to rejuvenate dead and dull skin cells are over-selling themselves.

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A Moment of Science Blog

Live On Mars

An artist's rendering of a pyramid structure on Mars.

Mars One hopes to send settlers to the red planet by 2024.

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The Bugs Will Love This

Indiana bats hibernating in a crevice.

Research suggests White Nose Syndrome in bats will have bleak ecological and economic consequences.

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Scientists See Through Mice To Medical Developments

Intact transparent kidney with flourescently-labeled cells.

New "clearing" technique allows scientists to see into an organism's cells without damaging tissue.

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