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
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Nylon is made from coal and petroleum.
42
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Aluminum used to be more valuable than gold!
84