Your thumb is about the same size as your nose.
124
On average a woman has 4 sexual partners in her lifetime.
-143
Babies crawl an average of 200m a day.
212
We share 70% of our DNA with a slug.
218
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
A man's beard grows fastest when he anticipates sex.
239
The largest cell in the human body is the female egg and the smallest is the male sperm.
682