Simplacio Del Vecchio exhibits a dog with a sutured cardiac wound before the 11th International Medical Congress in Rome. National Library of Medicine. 10,000-8,000 B.C.E. The heart symbol, the ...

The 13th-century French manuscript "Romance of the Pear" contains an early depiction of the heart as a symbol of love. Allegorical image from the Roman de la poire. Image courtesy of Bibliothèque ...

Everyone knows the heart symbol, but almost nobody knows where it actually comes from — and it isn’t the human heart. The shape traces back to an extinct plant used in the ancient world as medicine, ...

Twitter's "favorite" button just got a makeover. The company announced Tuesday that it is switching out the "star" icon for a "heart," which will signify a "like" rather than a "favorite." The company ...

The heart sign has entered the Oxford English Dictionary as the first graphical symbol to signify a word in the reference work's 127-year history. The symbol is among 45,437 new words and meanings ...