Q-Tip Cotton Swabs were originally called Baby Gays.
55
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
97% of all paper money in the US contains traces of cocaine.
93
Sunflowers can be used to clean up radioactive waste.
17
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
24
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
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