The human brain uses approximately as much energy as a 10 watt light bulb.
120
Your thumb is about the same size as your nose.
124
The human body contains over a billion miles of DNA.
147
In one day, adult lungs move about 10,000 litres of air.
11
A man's beard grows fastest when he anticipates sex.
239
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Early American humans hunted car-size armadillos and used their shells for houses.
12
The human brain is more active during sleep than during the day.
28