Every hour one billion cells in the body must be replaced.
17
One out of 20 people have an extra rib.
66
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
You can alleviate a tickly throat by scratching your ear.
12
Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118
Banging your head against a wall uses 150 calories an hour.
57
You see your nose at all times, your brain just chooses to ignore it.
30
A fetus develops fingerprints at eighteen weeks!
32