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
Sweden is so good at recycling, it has run out of garbage and now must import garbage from Norway to fuel its energy programs.
20
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The longest Monopoly game in history lasted 70 straight days.
124