A Moment of Science
Why does a small rock sink to the bottom of a glass when a piece of wood floated on top?
You have probably seen wind farms popping up in your neighborhood. How do scientists know where wind farms will succeed?
For a plant, nectar is something like a political campaign contribution. "The Mystery of the Fern's Nectar" on this Moment of Science.
Those tiny dots are actually blood cells moving in the retina of your eye.
It's awful to get sick when visiting relatives or friends overseas. Make sure to read up on health risks before you travel!
Why doesn't the flame just continue to burn underneath the bell, no matter how flat you crush it? The answer is air.
Just thinking about eating food may be enough to curve your appetite.
Snoring can be a red flag for diseases like heart disease, stroke, and diabetes.
Greenland's ice sheet is worrying scientists. It's melting.
Cuckoos could win the award for "Worst Parent" award. Find out why!
You exercise, eat right, and still have difficulty keeping the weight off. Could the problem be how your brain responds to dieting?
The bacteria take nitrogen out of the air and make it available to other living organisms in an amazing process.
How come when you put salt on a melon, the melon seems sweeter? Then if you put more salt on, the melon turns salty?
The typical American teenager eats about nine grams of salt per day. That's twice the recommended amount.
A tight hammock makes a flatter surface, but a loose hammock is stronger and less likely to break.
Nowadays everybody knows there are nine planets in our solar system, but that information was hard won.
Are there health risks associated with sleeping with your pet?
The antibiotics help those microorganisms survive by attacking other bacteria competing for the same food supply... but how do they protect themselves?
Natural gas, drilling, and fraking. Do you know what fraking is?
Do you live near a wind turbine and feel sick? There could be a connection...
Canadian researchers have found evidence that coal may have contributed to the disaster that killed off the dinosaurs.
This easy-to-do experiment is a great way to learn about density.
Check out our 20 tips to conserve! What tips would you add to the list?
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