When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
Donkeys kill more people annually than plane crashes.
927
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
You share your birthday with at least 9 million other people in the world.
205
A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
194
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
The original game of "Monopoly" was circular.
230
You can start a fire with ice.
367