It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12