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
Like fingerprints, everyone's tongue print is different.
250
Wearing red increases attraction.
30
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
You share your birthday with at least 9 million other people in the world.
205
If you counted 24 hours a day, it would take 31,688 years to reach one trillion!
44