You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
The mile is Latin for 1,000. The number of paces it took the average Roman!
36
A fire in Australia has been burning for more than 5,000 years!
91
There is a superhero supply store in Brooklyn with a cape fitting room that has a wind tunnel. They also sell oxygen gum, bottled chaos and have an invisibility testing center.
18
The average cough comes out of your mouth at 60 miles per hour.
126
U-Haul is the world's largest advertiser in the Yellow Pages.
21
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423