We do it every night, but science still isn't sure exactly why we sleep.
The number of carbon atoms in fuel determines its chemical properties.
Today's A Moment of Science asks, what makes meat "tender"?
In one study, dogs were able to smell a particular test scent a thousand times better than humans!
Here's a simple experiment you can do at home with your kids. Somebody's bound to learn something.
Some simple sugars detected by astronomers, glycoaldehydes, are thought to be the basic building blocks of life.
Here's a game you can play that will show you something about how matter changes state. You don't need any supplies except a lot of kids.
How did animals respond to the ice age? Ancient bison preserved in the Canadian arctic have given scientists a clue.
How do they keep the chips so fresh and crisp inside those plastic bags?
Drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work?