The Expression of the Emotions in Man and Animals public by arguing that humans had "animal traits", and instead charmed them by telling stories of "human traits in animals", thus avoiding too much explicit talk of natural selection at work. Darwin preferred to leave the evolutionary implications hanging. Korn points out that the book has never been out of print since 1872, calling into question Ekman's talk of "Darwin's lost masterpiece". The "Editor's notes" at the "Mead Project source page" on the book comment that Darwin concluded work on the book with a sense of relief. The proofs, tackled by his daughter Henrietta ("Ettie") and son Leo, required a
Emotions and culture but the patterns are social constructions. Some also theorize that culture is affected by emotions of the people. Research on the relationship between culture and emotions dates back to 1872 when Darwin argued that emotions and the expression of emotions are universal. Since that time, the universality of the six basic emotions (i.e., happiness, sadness, anger, fear, disgust, and surprise) has ignited a discussion amongst psychologists, anthropologists, and sociologists. While emotions themselves are universal phenomena, they are always influenced by culture. How emotions are experienced, expressed, perceived, and regulated varies as a function of culturally normative behavior by the surrounding