If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
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
Extremely high pressured water can easily cut through a steel beam.
51
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
The first household refrigerators cost about $16,000, in today's money!
47
At the time of your birth, you were, for a few seconds, the youngest person on the planet.
30
Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
79
In an average hour, there are over 61,000 Americans airborne over the United States.
24