The Expression of the Emotions in Man and Animals Science" concluded that "although some parts are a little tedious, from the amount of minute detail required, there is throughout so much of acute observation and amusing anecdote as to render it perhaps more attractive to general readers than any of Mr. Darwin's previous work". Eric Korn, in the "London Review of Books", describes how the book was claimed, and he argues subverted, by Margaret Mead and her "sympathisers", and then presented afresh by Paul Ekman. Ekman had collected pro-Darwin, anti-Mead evidence, Korn wrote, for the universality of human facial expression of emotions. Darwin, suggests Korn, avoided unsettling the Victorian
Emotion in animals could be used to include all the animal kingdom as well as some plants. The second approach, mechanistic, requires an examination of the mechanisms that drive emotions and search for similarities in animals. The mechanistic approach is utilized extensively by Paul, Harding and Mendl. Recognizing the difficulty in studying emotion in non-verbal animals, Paul et al. demonstrate possible ways to better examine this. Observing the mechanisms that function in human emotion expression, Paul et al. suggest that concentration on similar mechanisms in animals can provide clear insights into the animal experience. They noted that in humans, cognitive biases vary according