Hot water can freeze faster than cold water.
181
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Aluminum used to be more valuable than gold!
84