One cubic foot of gold weighs more than 1,200 pounds!
78
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Iron weighs more after it rusts.
68
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
The average temperature at 40,000 feet above sea level is -60 F.
56