Aluminum used to be more valuable than gold!
84
Research indicates that plants grow healthier when they are stroked.
173
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Indoor pollution is 10 times more toxic than outdoor pollution.
62
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 use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21