Your brain is 80% water.
525
The bark of an older redwood tree is fireproof.
65
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
One cubic foot of gold weighs more than 1,200 pounds!
78
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21