The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Each year, more than 50,000 people are injured by jewelry in the U.S.
29
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
When Heinz ketchup leaves the bottle, it travels at a rate of 25 miles per year.
127
There are 293 ways to make change for a dollar.
148