Unlike most countries, the U.S. still uses the Fahrenheit scale to tell the temperature. Why?
Can fish and other aquatic creatures really survive in a state of suspended animation until spring?
Unlike other sea turtles, the Leatherback can survive in cold waters.
When you have a cold or flu, the doctor (or Dr. Mom) may tell you to drink lots of fluids. But did they ever explain why you need to guzzle all that water and juice?The extra fluid helps prevent dehydration, which can make you feel even worse, and make it harder to get well.