Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63
There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266
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 odds of being killed by falling out of bed are one in two million.
136
The glue on Israeli stamps is certified kosher.
67
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
The New York Stock Exchange started as a coffee shop!
99