Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
The chocobo in Final Fantasy was based on a real creature called a “Gastornis” that existed 45 million years ago.
3
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
'Second Street' is the most common street name in the U.S.; 'First Street' is the sixth! "
41
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240