A cat's urine glows under a black light. See more

Elephants are the only animals that can't jump. See more

A crocodile cannot stick its tongue out. See more

The word "four" has four letters. In the English language there is no other number whose number of letters is equal to its value. See more

"Skepticisms" is the longest word that alternates hands when typing. See more

If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee. See more

On average people fear spiders more than they do death. See more

"Almost" is the longest word in the English language with all the letters in alphabetical order. See more

The only 15 letter word that can be spelled without repeating a letter is "uncopyrightable". See more

India never invaded any country in her last 10,000 years of history. See more

An adult human heart weighs about 10 ounces and beats over 100,000 times a day See more

There are 206 bones in your skeleton. See more

Everyone has thirty-two teeth. See more

Your muscles make up about one-half of your body weight. See more

About 70 percent of your body weight is water. See more

Every year some 50 million cars are added to the world’s roads. See more