The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
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
Ian McKellen and Patrick Stewart had no idea how to play chess when they appeared in X-Men 2.
54
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
By weight, Bone is five times stronger than steel.
417