Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Cold water weighs more than hot water.
93
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists aren't sure what color dinosaurs were.
312
Diamonds can be shattered with a hammer.
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