The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
10
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
More Americans have died in car accidents than have died in all the wars ever fought by the United States.
55
American car horns beep in the tone of F.
66
One human hair can support 3 ounces.
191