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
Scientists aren't sure what color dinosaurs were.
312
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
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