You can help undo the metabolism - lowering effects of sitting by keeping red objects at your desk. (wellnessnova.com)
I had only known the show of black paintings, which did not seem to have anything to do with this glowing red object. (brooklynrail.org)
Purkinje is famous for explaining visual phenomena: the Purkinje effect describes how blue objects appear brighter than red objects in dimmer light. (sciencemag.org)