Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
Poor eyesight (myopia) is associated with higher IQ.
232
Human thigh bones are stronger than concrete!
63
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
The average sperm cell swims at 8 inches per hour.
76
Your heart rate can rise as much as 30% during a yawn.
69
Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16