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
Barbie's full name is Barbara Millicent Roberts.
78
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
There are 635,013,559,599 possible hands in a game of bridge.
39
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
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
Real diamonds do not show up on x-ray.
36
You can start a fire with ice.
367