A single speck of dust is half way in size between a subatomic particle and the Earth.
15
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Research indicates that plants grow healthier when they are stroked.
173
Scientists aren't sure what color dinosaurs were.
312
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
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9