The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Nylon is made from coal and petroleum.
42
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Pure water (H2O) does not conduct electricity on its own.
46