Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Pure water (H2O) does not conduct electricity on its own.
46
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Nearly 50% of the world's scientists are assigned to military projects.
71
No matter how cold it gets, gasoline will not freeze.
107