The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
79
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
You can immediately cool down a car that has been sitting under the sun by rolling down the window on one side and opening-closing the door on the other side 5-6 times.
23