Origin of Species was a bestseller worldwide and ... In 'The Descent of Man' he presented an unequivocal account of human evolution. The book was another challenge to Christian orthodoxy.

http://www.literature.org/authors/darwin-charles/the-origin-of-species-6th-edition/ This site is the online version of The Origin of Species, 6th edition. The ...

This is the most explicit and concise description and definition of natural selection in On the Origin of Species ... documented in the DNA record of evolution. “Variations neither useful ...

EVE: HOW THE FEMALE BODY SHAPED HUMAN EVOLUTION, PAGES 285-286 "I started writing this book when Obama was president ... "That's a deeper truth of our species. "If you look at the last 400 ...

A new study co-authored by researchers at Indiana University sheds light on how the forces that shape mountain ranges also ...

This article examines the fossil evidence of our 6 million year evolution. Darwin's great insight, and the unifying principle of biology today, is that all species are related to one another like ...