Your thumb is about the same size as your nose.
124
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
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
The human brain uses approximately as much energy as a 10 watt light bulb.
120
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515