The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Cold water weighs more than hot water.
93
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Nearly 50% of the world's scientists are assigned to military projects.
71
The smell of freshly cut grass is actually a plant distress call.
31