Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Obsessive nose picking is called Rhinotillexomania.
101
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Only humans shed emotional tears.
331
Your heart will pump about 212 million liters in its lifetime.
26
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
