There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
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
"Strategic incompetence" is the art of avoiding certain tasks by pretending you don't know how to do them.
16
There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266
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
The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
A typical lead pencil can draw a line that is 35 miles long.
158
In many countries, urine was used as a detergent for washing.
17