Ruhr-University Bochum. "What green algae are up to in the dark." ScienceDaily. ScienceDaily, 14 February 2013. <www.sciencedaily.com / releases / 2013 / 02 / 130214103820.htm>.

Penn State Accessibility and Usability: Color and Contrast on Web Pages (link) and Textured Backgrounds (link) Two key excerpts from a couple of quick-read web pages loaded with visual examples: ...

Astronomers have accidentally discovered a dark galaxy filled with primordial gas untouched that appears to have no visible stars.

Glowing green sharks swim in the dark depths of the ocean thanks to an entirely different kind of biofluorescence than other marine animals. Previously, researchers knew that some shark species ...