Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Women blink nearly twice as much as men.
152
If you get water flowing fast enough, it can cut metal.
354
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
The number of births that occur in India each year is higher than the entire population of Australia.
66
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10
It takes the same amount of time to age a cigar as wine.
25