Darwin from Descent of Man to Emotions Darwin from Descent of Man to Emotions Between 1868 and 1872, the life and work of Charles Darwin from "Descent of Man" to "Emotions" continued with aspects of his intended "Big Book" on evolution through natural selection. He had by then hurriedly published an "abstract" of this work as "On the Origin of Species" in 1859, and following the immediate reaction to Darwin's theory his earlier work included demonstrating the utility of the flowers of Orchids in directing insect pollination to achieve cross fertilisation, and a summing up of thirteen years of experiments in "The Variation of Animals and Plants
Body language of dogs Body language of dogs The body language of dogs is one form of non-verbal communication whereby dogs can express emotions and intentions through bodily movements. It refers to the interpretation of posture and behaviour of species in the genus Canis. This form of visual communication is generally used for identifying emotions and intentions of domestic dogs, though it can also be applied to wild canines such as wolves. Understanding the body language of dogs is particularly important in preventing dog bites, especially of children. This communication can occur between dogs, or during a dog-human interaction. Such movements primarily involve the