The lense of the eye continues to grow throughout a person's life.
34
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
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
You see your nose at all times, your brain just chooses to ignore it.
30
Fingernails grow fastest on the hand you favor.
44
Children are more allergic to cockroaches than they are to cats!
46
The first patented condom was meant to be reused!
47