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
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Pumice is the only rock that floats on water.
14
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Aluminum used to be more valuable than gold!
84
Sound at the right vibration can bore holes through a solid object.
134