When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
Macklemore and his hit “Thrift Shop” was the first time since 1994 that a song reached number 1 on the Hot 100 chart without the support of a major record label.
2
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
The first household refrigerators cost about $16,000, in today's money!
47
There are more telephones than people in Washington, D.C.
121
If you had 10 billion $1 notes and spent one every second of every day, it would require 317 years for you to go broke.
109
Tsunamis ( tidal waves ) travel as fast as jet planes.
97