Nearly 50% of the world's scientists are assigned to military projects.
71
One cubic foot of gold weighs more than 1,200 pounds!
78
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
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
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9