Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
More than 50% of Americans fall asleep on their sides.
86
There are 635,013,559,599 possible hands in a game of bridge.
39
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Real diamonds do not show up on x-ray.
36
The best recorded distance for projectile vomiting is 27 feet.
71
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
