In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The average temperature at 40,000 feet above sea level is -60 F.
56
German chemists made a replica of a trophy the size of one molecule.
68
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Pumice is the only rock that floats on water.
14