We couldn't finish the week without sharing nature's most perfect black and white. The zebra's background color is black, and the white stripes and bellies are additions. Each striping pattern is unique to each individual zebra.
Medical students are taught - "When you hear the sound of hooves, think horses, not zebras." 'Horses' are common ailments, 'zebras' are rare diseases. is a zebra. The problem is that doctors have forgotten that zebras DO exist.