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
Aluminum used to be more valuable than gold!
84
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
Nearly 50% of the world's scientists are assigned to military projects.
71
Your brain is 80% water.
525
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42