An eminent scholar unearths the captivating history of the two-lobed heart symbol from scripture and tapestry to T-shirts and text messages, shedding light on how we have expressed love since antiquity The symmetrical, exuberant heart is everywhere: it gives shape to candy, pendants, the frothy milk on top of a cappuccino, and much else. How can we explain the ubiquity of what might be the most recognizable symbol in the world? In The Amorous Heart...