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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
According to studies, men change their minds two to three times more often than women.
72
The storage capacity of human brain exceeds 4 Terrabytes.
140
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The average home creates more pollution than does the average car.
33
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65