Showing results for "Charles Darwin" in Hygiene & Healthy Living

A technical report of the experiments and observations performed on various species of twining, tendril-climbing, root-climbing, and leaf-climbing plants, with some review of past literature and an emphasis on taking measurements to allow the quantitative comparison of sensitivity and speed of reactions across different genera and species. Conclusions and hypotheses on the fitness advantages, progressive adaptations, and evolutionary relatedness of different species are included.

The Expression of the Emotions in Man and Animals is a book by Charles Darwin, published in 1872, concerning genetically determined aspects of behaviour. It was published thirteen years after On the Origin of Species and alongside his 1871 book The Descent of Man, it is Darwin's main consideration of human origins. In this book, Darwin seeks to trace the animal origins of human characteristics, such as the pursing of the lips in concentration and the tightening of the muscles around the eyes in anger and efforts of memory. Darwin sought out the opinions of some eminent British psychiatrists, ...