There is one slot machine in Las Vegas for every eight inhabitants.
58
There are more telephones than people in Washington, D.C.
121
Wearing yellow makes you look bigger on camera; green, smaller.
222
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
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7


