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What is evolution and how does it work? Detailed explanations of the mechanisms of evolution and the history of life on Earth Includes: Examples of evolution, Genetics, History of life on Earth, Macroevolution, Microevolution, Natural selection, Speciation ... How does evolution impact my life? The relevance of evolutionary theory to our everyday lives Includes: Agriculture, Conservation, Medicine ... What is the evidence for evolution? Multiple lines of scientific evidence relating to evolution Includes: Homology and analogy ... What is the history of evolutionary theory? The history of ideas, research, and contributors in the study of evolution Looking for information on controversies in the public arena relating to evolution? See our frequently-asked questions.

Explore the ultimate evolution resource for K-12 teachers, including: • lesson plans • conceptual framework ...and more. Teachers click here >>

			What has the head of a crocodile and the gills of a fish? - Updated June 2009 Tiktaalik, of course. Pronounced tik-TAA-lik, this 375 million year old fossil splashed across headlines as soon as its discovery was announced in April of 2006. Since their initial publication on Tiktaalik, paleontologists Neil Shubin, Edward Daeschler, and Farish Jenkins, have continued to study its remarkable fossils. Read on for an update to the original Tiktaalik story. >>

Why the eye? Eyes are clearly incredibly useful, but where did the eye come from? How did so many animals evolve eyes and why do they look so different? This case study answers these questions.				Biological warfare and the coevolutionary arms race Dr. Edmund D. Brodie, Jr. explores the ten-thousand year evolutionary battle between toxic newts and the snakes who dine on them.
How to survive a mass extinction: The work of David Jablonski David Jablonski researches how patterns of evolution relate to mass extinctions. Why are some species doomed while others survive?				Misconceptions about natural selection and adaptation Natural selection is often misconstrued as a process that perfects organisms and provides them with exactly what they need. Find out the truth.