The human body contains over a billion miles of DNA.
147
A person can live without food for about a month, but only about a week without water.
156
Early American humans hunted car-size armadillos and used their shells for houses.
12
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Your heart will pump about 212 million liters in its lifetime.
26