Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Sound travels fifteen times faster through steel than through air.
134
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61