The Panda's Thumb - Group weblog on evolutionary theory, the claims of the anti-evolution movement, and the defence of the integrity of both science and science education. The TalkOrigins Archive - Provides a number of essays and articles on various aspects of biology and evolutionary theory. Evolution's Arrow - Web version of a book written by John Stewart about the direction of evolution and the future of humanity. The Evolution Evidence Page - A collection of articles about evolution, most of which deal primarily with human evolution, from a variety of sources. They include discussion of the anatomical, fossil and genetic evidence. Introduction to Phylogeny - University of California Museum of Paleontology virtual exhibit explores the relationship of phylogeny and evolution. Evolution of Evolvability - This paper shows how evolution tunes the content and frequency of genetic variation to enhance its evolvability, organising genetic systems into hierarchies. Genetic evolution is neither random nor blind. Beliefs of U.S. Public About Evolution and Creation - Presents and discusses the results of polls (from Gallup, About.com, and other sources) of various economic, educational, and religious groups about evolution and creation. Songbird Shows How Evolution Works - BBC News article about study on Himalayan songbirds that suggests how one species can evolve into two. Vertebrate Flight Exhibit - Explores the physics of vertebrate flight, with particular emphasis on its origins and evolution. Alec's Evolution Pages - Essays, articles, resources and links presenting scientific evidence for evolution and refuting creationist arguments. Demonstrates fallacies of Young Earth Creationism and Intelligent Design. Evolution: Darwin - Supporting material for the "Evolution" TV series. Includes informative activities. Evolution, Complexity and Philosophy - Hans-Cees Speel discusses evolution in biology, philosophy, artificial intelligence and memetics. Evolution Update - A tool for academic research in evolutionary biology and its associated controversies. The Story of Human Evolution - An step-by-step explanation of natural evolution from the Big Bang to the rise of civilization. Frozen Evolution - Information on a book by Professor Jaroslav Flegr describing a variation on the theory of evolution, the frozen plasticity theory. Evolution Directory - Provides a means for evolutionary biologists, population biologists and scientists in related areas to post and distribute information about jobs, meetings, news and general announcements. Zen Philosophy and Adaptation via Natural Selection - Article by Vaclav Petr on this subject. Evolution: The Panda's Thumb - One of the classic stories of evolution is the riddle of the giant panda's thumb. Macroevolution.net - Gene McCarthy, a geneticist, provides an in-depth discussion of macroevolution and its probable causes and, in the process, reviews the history of evolutionary thought. Monkey Trials - A blog about evolution, creation and 'all that jazz', by high school biology teacher Scott Hatfield. Australian Broadcasting Corporation: Genetic Signature for Darwinian Evolution - Article on research by geneticist David Moore and colleagues who examined the evolution of the cane toad's ability to resist its own deadly toxin. Derek Hough on Evolutionary Theory - Article by Derek Hough asserting that Darwin would never have believed in neo-Darwinism. He knew that the source of variety was the missing link in his theory. The Dinosaur Origin and Extinction - Essay by Svend Palm. Horse Evolution - Article by Kathleen Hunt. Unicellular Organisms: Origin of Life - Chapter from an online book entitled "A Review of the Universe: Structures, Evolutions, Observations, and Theories". Dinobuzz: Are Birds Really Dinosaurs? - Article examining the evolution of birds. Map of Life - Examples of convergent evolution. Scientific American: 15 Answers to Creationist Nonsense - Review and critique of popular arguments against the theory of evolution by natural selection.