The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Pumice is the only rock that floats on water.
14
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79