The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
Diamonds mined in Brazil are harder than those found in Africa.
40
The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
Leather skin does not have any smell. The leather smell that you sense is actually derived from the materials used in the tanning process.
23
