One 75-watt bulb gives more light than three 25-watt bulbs.
57
Aluminum used to be more valuable than gold!
84
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Diamonds can be shattered with a hammer.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
A cesium atom in an atomic clock beats over nine billion times a second.
43
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