Each day, up to 150 species of life become extinct.
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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
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
One 75-watt bulb gives more light than three 25-watt bulbs.
57
In zero gravity, a candle's flame is round and blue.
16
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65