Coins usually survive in circulation for about 30 years.
66
The number of text messages sent and received in a given day is greater than the world's population.
198
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
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
The mile is Latin for 1,000. The number of paces it took the average Roman!
36
The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12