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
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Barbie's full name is Barbara Millicent Roberts.
78
Each year, more than 50,000 people are injured by jewelry in the U.S.
29
Only humans shed emotional tears.
331
"Big Ben" in London isn't a tower, the bell inside the tower is called "Big Ben", the tower itself is called "The Elizabeth Tower".
18
U-Haul is the world's largest advertiser in the Yellow Pages.
21