The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
There are 53 Lego bricks manufactured for each person in the world.
83
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
All the gold ever mined could be molded into a cube 60 feet high and 60 feet wide.
38
The first household refrigerators cost about $16,000, in today's money!
47
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
24
The worlds oldest piece of chewing gum is over 9000 years old!
122