When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
New babies problem
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.
More Miscellaneous Facts
When withdrawing money from an ATM, the 'whirring' sound before your money pops out is actually a recording. The actual mechanism is so far back that you can't hear it.
It is impossible to hum if your nose is plugged.