Unlike most countries, the U.S. still uses the Fahrenheit scale to tell the temperature. Why?
Crocodiles are built for survival and that's how they swam the Atlantic.
Adult painted turtles head underwater, where they'll spend the winter on the bottom of a lake, pond, or river but they use some tricks to survive the cold...
Scientists dislike using the terms "cold blooded" and "warm blooded."
What happens when you place people in isolation for a month?
How do biological clocks, also known as circadian clocks, work?
If you've ever stayed up the whole night through, you may have noticed that you begin to feel cold in the hours just before morning. Why does this happen?
If our body temperature is in the nineties why do similar air temperatures feel too hot instead of just right? Learn more on this Moment of Science.
Did you know that many small animals that stay in cold environments during the winter go into a brief daily hibernation-like state? Scientists call it torpor. Torpor allows the animals to lower their body temperatures greatly, and their breathing and heart rate are so slow you can barely tell they’re alive. Learn more on this Moment of Science.