The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
Couples' personalities converge over time to make partners more and more similar.
235
A quarter has 119 grooves on its edge, a dime has one less groove!
34
Babies are born without knee caps.
78
The small pocket in the larger pocket of your jeans was designed for pocket watches.
11
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102