There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
In Montreal, there's a bus stop with swings that play musical notes when you swing on them.
20