A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Cold water weighs more than hot water.
93
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Sound travels fifteen times faster through steel than through air.
134
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108