It is impossible to hum if your nose is plugged.
366
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
Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13
The ashes of the average cremated person weigh nine pounds.
40
The WD in WD-40 stands for Water Displacer.
30
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.
282
The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
10
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14