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
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Sunflowers can be used to clean up radioactive waste.
17
Dartboards are made out of horsehairs.
129
The New York Stock Exchange started as a coffee shop!
99
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154