Children are more allergic to cockroaches than they are to cats!
46
The human body contains over a billion miles of DNA.
147
Your tongue is the only muscle in your body that is attached at only one end.
173
There are about 1,400 different species of bacteria in your belly button.
10
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Our brains have a negativity bias and will remember bad memories more than good ones.
15
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
It is possible to go blind from smoking too heavily.
50