The earth is approx. 6,588,000,000,000,000,000 tons.
175
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
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
Research indicates that plants grow healthier when they are stroked.
173
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Nearly 50% of the world's scientists are assigned to military projects.
71