Hoosier Home and Garden gave out this report to make known some basic facts about trees like how many tree varieties there are in the world or how much oxygen a mature tree provides.
Sky’s not Blue
visualized by: Ajrdesign
It’s not a hype, not even a rumor. It’s simple physics that explain the blue – violet illusion. You must have heard that sky is not actually blue but rather colorless. Find here the reasoning.