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
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
No matter how cold it gets, gasoline will not freeze.
107
Diamonds can be shattered with a hammer.
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