Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
German chemists made a replica of a trophy the size of one molecule.
68
4.5 pounds of sunlight strike the Earth each day.
27
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38