The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
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
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Sound travels about 4 times faster in water than in air.
408