The average home creates more pollution than does the average car.
33
The average temperature at 40,000 feet above sea level is -60 F.
56
Hot water can freeze faster than cold water.
181
The only letter not appearing on the Periodic Table is the letter "J".
180
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
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
Cold water weighs more than hot water.
93