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
Bamboo plants can grow up to 36 inches in a day.
52
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
Standard paper cannot be folded in half more than 7 times.
232
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
There is a fake village with fake shops and restaurants that is actually a care home for elderly dementia sufferers in the Netherlands.
7
30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
The glue on Israeli stamps is certified kosher.
67