The strangers in your dreams are actually people that you've seen in real life.
50
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10
If the human eye was a digital camera, it would have 576 megapixels.
25
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
Each year, more than 50,000 people are injured by jewelry in the U.S.
29
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48