An ounce of platinum can be stretched 10,000 feet.
40
At the time of your birth, you were, for a few seconds, the youngest person on the planet.
30
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
You burn 26 calories in a one minute kiss.
605
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
Play-Doh was first manufactured as a wallpaper cleaner.
122
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
The first household refrigerators cost about $16,000, in today's money!
47