If you've ever been up all night, you may have found that staying awake becomes a lot easier after five or six a.m. Why?
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.
If you suffered from the neurological disorder called "facial agnosia," you might not recognize the faces of close friends and family. How could this happen?
What is the difference between gasoline, diesel, and jet fuel?
Humans may be evolving toward having less than thirty-two teeth.
Farming has been a useful tool for a long long time, and not just for humans!
A camel draws on a whole range of adaptations so that it can travel hundreds of miles, over several days, without stopping to drink.
When you're on the phone do you hear sorry as forry? Feelings as ceilings?
Have you ever wonder why bananas seem to go bad so quickly?
We use the phrase "saturated fat" a lot, but what does it really mean?