Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Nylon is made from coal and petroleum.
42
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44