Evolution of emotion Evolution of emotion The study of the evolution of emotions dates back to the 19th century. Evolution and natural selection has been applied to the study of human communication, mainly by Charles Darwin in his 1872 work, "The Expression of the Emotions in Man and Animals". Darwin researched the expression of emotions in an effort to support his theory of evolution. He proposed that much like other traits found in animals, emotions also evolved and were adapted over time. His work looked at not only facial expressions in animals and specifically humans, but attempted to point out parallels between behaviors
Man of the Hole Man of the Hole Man of the Hole () is a nickname used by officials and the media to describe a man who is indigenous to Brazil and lives alone in the Amazon rainforest. He is believed to be the last surviving member of his tribe. It is unknown what language he speaks or what his tribe was called. The Man of the Hole's nickname derives from the deep hole found in each home that he has abandoned. It was originally believed that these holes were used to trap animals or for him to hide in, but some observers have