An optical illusion is a visual phenomenon where the brain misinterprets what the eyes perceive, creating a false or ...

Male zebra longwing butterfly vision sticks to a duller pallette, perhaps for mating reasons. The genes that explain this may help unlock how differences between sexes evolve. By Veronique Greenwood ...

A traumatized woman returns home from eastern Ukraine after being held captive by Russian separatists. By Natalia Winkelman When you purchase a ticket for an independently reviewed film through our ...