Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Each day, more than $40 Trillion Dollars changes hands worldwide.
37
The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
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
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k
Standard paper cannot be folded in half more than 7 times.
232
The Pittsburgh Steelers were originally called the Pirates.
50