The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
An olive tree can live up to 1,500 years!
58
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
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
The number of text messages sent and received in a given day is greater than the world's population.
198
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
Sudbury Valley School allows students to do whatever they want; no curriculum, tests, homework, or even classes unless requested. 82% of students get accepted to college, as opposed to the 63% national public school average.
21
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14