A natural gas flame burns hotter than a campfire. In [...]
The greenhouse effect is created because certain gases sent into [...]
What kind of a difference does it really make to replace a regular light bulb with an energy-saving one?
Replacing your five most frequently used light fixtures or the [...]
Organic waste emits methane as it decomposes—or rots—in the [...]
The ancient Chinese were the first to discover underground deposits [...]
Yes! An electric eel uses chemicals in its body to [...]
I once saw a pair of shoes hanging from a power line. Why didn’t the shoes get burned up by the electricity in the line?
Shoes hanging on a power line don’t get burned [...]