Play-Doh was first manufactured as a wallpaper cleaner.
122
If you get water flowing fast enough, it can cut metal.
354
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
The average person eats almost 1500 pounds of food a year.
157
The average IQ is 100, while 140 is the beginning of genius IQ.
140
Each year, more than 50,000 people are injured by jewelry in the U.S.
29
30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
An iceberg contains more heat than a lit match.
73