Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
If you get water flowing fast enough, it can cut metal.
354
The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
479
Real diamonds do not show up on x-ray.
36
The key to happiness is spending your money on experiences rather than possessions, according to studies.
21
When Heinz ketchup leaves the bottle, it travels at a rate of 25 miles per year.
127
The symbol on the 'pound' key (#) is called an octothorpe.
82