Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Your brain is 80% water.
525
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5