The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
The key to happiness is spending your money on experiences rather than possessions, according to studies.
21
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
In many countries, urine was used as a detergent for washing.
17
A real estate agent's rule of thumb: To estimate what a house will sell for, ask the owner what its worth and subtract 10%.
24
You can immediately cool down a car that has been sitting under the sun by rolling down the window on one side and opening-closing the door on the other side 5-6 times.
23
