Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15