It's impossible to kill yourself by holding your breath.
703
'Second Street' is the most common street name in the U.S.; 'First Street' is the sixth! "
41
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
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
The WD in WD-40 stands for Water Displacer.
30
Blue eyes are the most sensitive to light, dark brown the least sensitive.
105
It is impossible to hum if your nose is plugged.
366