Diamonds mined in Brazil are harder than those found in Africa.
40
Those things you see in your eyes when you stare into space are called Mouches Voltanes, which are also broadly referenced to as Floaters.
9
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
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 WD in WD-40 stands for Water Displacer.
30
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k
Your fingernails grow faster in summer.
744