An Atlantic puffin stands on a heart shaped rock in Easter Egg Rock Island, Maine, U.S. Photograph by Melissa Groo, Nat Geo Image Collection A heart-shaped void lends a view to the outside from a ...

Why? Blame Aristotle, or maybe a plant. The mystery of how the heart icon achieved its shape likely began in the thirteenth or fourteenth century, scholars say. Aristotle, the ancient Greek ...

here are the hidden meanings behind 16 flags from around the world. Read next BI Tech Memo Where Big Tech secrets go public — unfiltered in your inbox weekly. Sign up An icon in the shape of an ...