The typical laboratory mouse runs 2.5 miles per night on its treadmill. See more

The can opener was invented 48 years after cans were introduced. See more

The cigarette lighter was invented before the match. See more

If you have a car remote and you step out of its range, point it to your head and it will work again! See more

It is impossible for a human to lick their elbow. See more

A cat's urine glows under a black light. 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

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