Heart image via ShutterstockLove is in the air today, and images of two-lobed hearts are all over everything: candy, cards, decorations, you name it. That the heart is symbolic of love and passion isn’t surprising. Ancient Greek and Roman thinkers, including Aristotle, thought the organ was the center of all emotions. Why the heart symbol you see everywhere in February doesn’t look anything like an actual human heart is a little less clear, though.The symbol goes at least as far back as the... READ ON