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 hair of an adult man or woman can stretch 25 percent of its length without breaking.
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Nearly 50% of the world's scientists are assigned to military projects.
71
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Scientists aren't sure what color dinosaurs were.
312
4.5 pounds of sunlight strike the Earth each day.
27
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89