It might sound like something from the movie Avatar, but what if trees lit up at night, replacing the need for street lights? 

This fantastical vision may become a reality thanks to the discovery that placing gold nanoparticles within the leaves of trees causes them to give off a luminous reddish glow. 

Ever wonder how crayons are manufactured?

This clip from the Science Channel show How It's Made provides a fascinating look at the complex processes and machinery behind everyone's favorite coloring tools.