Within three days of death, the enzymes that once digested your food begin to eat you.
22
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The average sperm cell swims at 8 inches per hour.
76
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
You see your nose at all times, your brain just chooses to ignore it.
30