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?
Why doesn't the flame just continue to burn underneath the bell, no matter how flat you crush it? The answer is air.
Wind farms are appearing all over the United States as an energy alternative. However, are they causing more harm than good.
Forget cell phones! Tin can telephones are the way to go. Learn how they work and how to build your own!