One out of 20 people have an extra rib.
66
If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
The first patented condom was meant to be reused!
47