In many countries, urine was used as a detergent for washing.
17
The best diamonds are colored blue-white.
80
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
If you counted 24 hours a day, it would take 31,688 years to reach one trillion!
44
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
The top sales at Walmart as a storm approaches are Pop-Tarts and beer.
12
The best time for a person to buy shoes is in the afternoon. This is because the foot tends to swell a bit around this time.
49
The majority of suicides occur on a Monday.
393