You share your birthday with at least 9 million other people in the world.
205
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
Only humans shed emotional tears.
331
Tae Kwon Do is only around 60 years old.
64
A typical lead pencil can draw a line that is 35 miles long.
158
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
U-Haul is the world's largest advertiser in the Yellow Pages.
21
Stilts were invented by French shepherds who needed a way to get around in wet marshes.
45