Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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
Pure water (H2O) does not conduct electricity on its own.
46
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65