In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
13
Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
10
The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29
The Beatles wrote into their contracts for American concerts that they would not play in front of segregated audiences.
24
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36