You see your nose at all times, your brain just chooses to ignore it.
30
Those who get out of bed by 7am are more likely to be thinner and happier.
20
Enamel is hardest substance in the human body.
61
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
One quarter of the bones in your body are in your feet!
36
The heart pumps about 1 million barrels of blood during an average lifetime!
30
The average sperm cell swims at 8 inches per hour.
76
In 1996, research found that having excessive body hair is linked to higher intelligence.
23