During his or her lifetime, the average human will grow 590 miles of hair.
69
Cash machines are as dirty as public toilets.
174
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Passengers on the Beijing subway can pay with plastic bottles.
29
80% of millionaires drive used cars.
68
Teddy bears were named after U.S. President Theodore 'Teddy' Roosevelt.
23
If you chew gum when you study a subject and then chew the same flavor when you take the test, it will help you remember!
34