Your fingernails grow faster in summer.
744
Barbie's full name is Barbara Millicent Roberts.
78
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Extremely high pressured water can easily cut through a steel beam.
51
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
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
Caffeine boosts memory.
405
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