A Moment of Science
When fluid blocks the passage of oxygen into the lungs, the resulting suffocation is known as drowning, whether or not the person is submerged in water.
Oddly enough, a solution of 70% alcohol, that is, rubbing alcohol, is a more effective antiseptic than 100% alcohol. Another case of where more is not better.
They prowl in the dark, soar through starlit skies... they are vampire bats and they're looking for blood!
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?
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