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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The sun is 330,330 times larger than the earth.
75
Hot water can freeze faster than cold water.
181