When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Los Angeles's full name is "El Pueblo de Nuestra Senora la Reina de los Angeles de Porciuncula"!
72
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
The chills you sometimes feel when listening to music is called "musical frisson."
18
Women blink nearly twice as much as men.
152
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48