A Moment of Science
It sounds crazy, but household refrigerators keep food cold by bringing liquid fluorocarbon to a boil.
The little dimples on the golf ball... they're the subject of this Moment of Science.
When looking at a picture of the sun, how could you tell whether or not it's rising or setting?
In addition to providing a spectacular light show, and scaring us to death, lightning also helps fertilize the soil.
We humans are dependent on chemicals like water, air, sugars, starches, fats, proteins, as well as on small amounts of vitamins and minerals.
Sound waves don't just travel in air: they travel through whatever they encounter, including your body.
You took a stack of paper and burnt it. What happened to the papers when you lit them up?
Research has indicated that wide-spread industrial air pollution goes at least as far back as the ancient Greeks and Romans.
The Cartesian diver, named after French philosopher and scientist René Descartes, works because of several factors.
Legend has it that when warm, dry Chinook winds race down the eastern slopes of the Rockies, people on the plains start acting a little crazy. Is this true?
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