There's mounting evidence that long stretches of inactivity are not good for you, even if you're not overweight and seem basically healthy.
The bacteria take nitrogen out of the air and make it available to other living organisms in an amazing process.
Those tiny dots are actually blood cells moving in the retina of your eye.
Scientists are experimenting with rat whiskers. The have found that they stop a stroke from occurring. Cool, right? But, would it work on humans?
On this Moment of Science, we'll learn how the phrase "blood is thicker than water," applies to the natural world.
Ever wonder how a breathalyzer test actually works? Find out on this Moment of Science.
Why does stepping in a puddle of water make your feet cold for the rest of the day?
There are many myths about mosquito bite cures, like using banana peels or toothpaste.
The belief in vampires is one of the most wide-spread of superstitions; How can all those eye-witnesses to these creatures of the night be wrong?
Did you ever hear that blood is actually blue inside your body, but turns red instantly on contact with air? Learn more on this Moment of Science.