melanin

Researchers create a melanin particle containing selenium, providing even more protection from harsh UV rays. These nanoparticles can be incorporated into clothing - providing astronauts a very lightweight alternative to lead shielding.

Tyrannosaurus Rex, Triceratops, Saber-toothed Tiger…as kids, we probably imagined these creatures using a variety of crayon colors. But what if we could figure out what color these creatures actually were? A scientific technique developed by Roy Wogelius…