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
Speed dating was invented by a Rabbi in 1999.
45
More Americans have died in car accidents than have died in all the wars ever fought by the United States.
55
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
Passengers on the Beijing subway can pay with plastic bottles.
29
The average IQ is 100, while 140 is the beginning of genius IQ.
140
Like fingerprints, everyone's tongue print is different.
250