The heart is symbol of love, but things weren’t always like that

Valentine’s Day is all about the hearts: heart-shaped chocolates, cards, balloons and even pizza. But the heart hasn’t always just been a symbol of romance. Valentine’s Day is all about the hearts: heart-shaped chocolates, cards, balloons and even pizza. But the heart hasn’t always just been a symbol of romance. Social Sciences Phys.org – latest science and technology news stories