Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
12
The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20