iridescent
Image of the Day: Psychedelic Symbiosis
Image of the Day: Psychedelic Symbiosis
The Scientist Staff | Jul 12, 2017
Thanks to the bioluminescent bacteria inhabiting its light organ, the vividly colored southern bobtail squid (Euprymna tasmanica) can glow in the dark. 
Dinosaurs’ Shiny Black Feathers
Cristina Luiggi | Mar 9, 2012
A 130 million-year-old winged dinosaur offers scientist the oldest evidence of iridescent feathers.