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
Liquid TIDE laundry detergent glows under a blacklight.
96
According to studies, men change their minds two to three times more often than women.
72
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
German chemists made a replica of a trophy the size of one molecule.
68
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One 75-watt bulb gives more light than three 25-watt bulbs.
57
A cubic yard of air weighs about 2 pounds at sea level.
31