The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Each day, up to 150 species of life become extinct.
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A cubic yard of air weighs about 2 pounds at sea level.
31
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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