Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
The small pocket in the larger pocket of your jeans was designed for pocket watches.
11
Oak trees can live 200 or more years.
61
There are 2,500,000 rivets in the Eiffel Tower.
98
There are 86,400 seconds in a day.
110
If the human eye was a digital camera, it would have 576 megapixels.
25
At the time of your birth, you were, for a few seconds, the youngest person on the planet.
30
In many countries, urine was used as a detergent for washing.
17