If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The human eye blinks an average of 4,200,000 times a year.
233
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The average person's skin weighs twice as much as their brain.
131
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
On average a woman has 4 sexual partners in her lifetime.
-143
Early American humans hunted car-size armadillos and used their shells for houses.
12
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31