The human brain doesn't stop developing until about 25 years old.
102
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
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
The average person's skin weighs twice as much as their brain.
131
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
You see your nose at all times, your brain just chooses to ignore it.
30
