Banging your head against a wall uses 150 calories an hour.
57
The human brain is more active during sleep than during the day.
28
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
On average, women have always lived longer than men.
195
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
In one day, adult lungs move about 10,000 litres of air.
11