The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
People who drink coffee are less likely to commit suicide than people who don't.
268
The yin-yang pattern's earliest use is in Rome - not China!
125
You share your birthday with at least 9 million other people in the world.
205
Extremely high pressured water can easily cut through a steel beam.
51
Diamonds mined in Brazil are harder than those found in Africa.
40