Understanding Evolution: your one-stop source for information on evolution
Resource library Teaching materials Evolution 101

Resource library : What is evolution and how does it work?
Examples of evolution

Resources:

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The Monterey Pine through geologic time  Advanced
Understanding the evolutionary history of the Monterey Pine may help us conserve this species.

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Aloha, spider style! The work of Rosemary Gillespie
This research profile follows Dr. Rosemary Gillespie to Hawaii as she evaluates hypotheses about the evolution of the colorful happy-face spider.

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It takes teamwork: How endosymbiosis changed life on Earth  Advanced
You might be surprised to learn that descendents of an ancient bacterium are living in every cell of your body! Find out how endosymbiosis factored into the evolution of your own cells and learn about a modern example of this process.

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Fire ants invade and evolve  Advanced
Understanding the evolution of fire ants may help scientists control the spread of these pests, which have already taken over much of the U.S.

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Comic strip: Survival of the sneakiest  Great for students
This comic follows the efforts of a male cricket as he tries to attract a mate, and in the process, debunks common myths about what it means to be evolutionarily "fit."

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Origin of modern humans: Multiregional or out of Africa?  Advanced
Learn more about your own history from paleoanthropologist Donald Johanson. He describes how and when early humans evolved, Homo sapiens’ ancestors and relatives, and the diverse lines of evidence relating to this history.
This article appears at ActionBioscience.org.

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Adaptation: The case of penguins
The process of natural selection produces stunning adaptations. Learn about the history of this concept, while you explore the incredible adaptations that penguins have evolved, allowing them to survive and reproduce in a climate that reaches -60°C!
This article appears at Visionlearning.

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Interactive investigation: The arthropod story  Great for students
This interactive investigation delves into the amazing world of the arthropods and examines their success and their evolutionary constraints.

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Mantis shrimp shoulder their evolutionary baggage and bluff  Great for students
Like all organisms, mantis shrimp carry baggage from their evolutionary history. Find out how this baggage has coaxed them into a deadly bluffing game.

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Webcast: Selection in action  Advanced
In lecture two of a four part series, evolutionary biologist David Kingsley discusses how just a few small genetic changes can have a big effect on morphology, using examples from maize, dog breeding, and stickleback fish.
This lecture is available from Howard Hughes' BioInteractive website.

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Evo in the news: Warming to evolution
Global warming increasingly affects many aspects of our environment, from the sea level to tropical storm strength. But that's far from the full story. This news brief from July 2006 describes how global warming has already begun to affect the evolution of several species on Earth.

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Evo in the news: Musseling in on evolution
This news brief, from September 2006, reviews a recent case of evolution in action. In just 15 years, mussels have evolved in response to an invasive crab species. Find out how biologists uncovered this example of evolution on double time.

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Angling for evolutionary answers: The work of David O. Conover
Human activity has certainly affected our physical environment - but it is also changing the course of evolution. This research profile follows scientist David O. Conover as he investigates the impact of our fishing practices on fish evolution and discovers what happened to the big ones that got away.

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Evo in the news: The other green (r)evolution
Though corn is "all-natural" in some ways, in others it is entirely manmade. This news brief from February 2007 explains the evolutionary tools that ancient humans used to engineer modern corn and the tools that scientists are using today to reconstruct corn's evolutionary history.

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Evo in the news: Got lactase?  Advanced
The ability to digest milk is a recent evolutionary innovation that has spread through some human populations. This news brief from April 2007 describes how evolution has allowed different human populations to take advantage of the nutritional possibilities of dairying and links evolution with the prevalence of lactose tolerance among people of different ethnicities.

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Evo in the news: Evolution down under
This news brief, from September of 2008, describes an unusual contagious cancer currently decimating Tasmanian devil populations. Learn about the fascinating interplay between the evolution of the devils and the evolution of the disease.

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Evo in the news: Sex, speciation, and fishy physics  Advanced
More than 500 species of cichlid fish inhabit Africa's Lake Victoria. This news brief from March 2009 explains new research suggesting that the physics of light may have played an important role in cichlid diversification and in the recent drop in their diversity.

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15 evolutionary gems
This succinct briefing describes 15 examples drawn from recent research that demonstrate evolutionary theory’s power to explain natural phenomena, along with some of their supporting lines of evidence--from whale fossils to the latest in genetics.
This resource is available from Nature magazine.

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A fin is a limb is a wing
New research reveals that evolution has repeatedly relied on a genetic tool kit to build both simple and complex structures.
This article appears at the National Geographic website.

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Biological warfare and the coevolutionary arms race  Advanced
The rough-skinned newt looks harmless enough but is, in fact, packed full of one of the most potent neurotoxins known to man. Find out how an evolutionary arms race has pushed these mild-mannered critters to the extremes of toxicity and how evolutionary biologists have unraveled their fascinating story.

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Interactive investigation: The arthropod story
This interactive investigation delves into the amazing world of the arthropods and examines their success and their evolutionary constraints.

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Stories from the Fossil Record
This web-based module provides students with a basic understanding of how fossils can be used to interpret the past.

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Evo in the news: Evolving altitude aptitude
This news brief from October 2010 examines new research that makes it clear that Tibetan highlanders have not just acclimated to their mountain home; evolutionary adaptations have equipped them with unique physiological mechanisms for dealing with low oxygen levels.

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Evolution: Applications in human health and populations  Advanced
In a series of six lectures, scientists describe how evolutionary theory makes contributions to the field of human health through studies of the human genome, physiology, lifestyle, and interaction with the environment.
This resource appears at the National Evolutionary Synthesis Center website.

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Using trees to uproot HIV: The work of Satish Pillai  Advanced
This research profile follows scientist Satish Pillai as he studies the evolution of HIV within infected individuals. His research uses the tools of phylogenetics to investigate vaccine development and the possibility of curing the disease.

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Monkey opsins
This case study in the form of a set of PowerPoint slides examines the evolution of trichromatic vision in old world monkeys.

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The Making of the Fittest: Natural Selection in Humans  Great for students
This 14-minute film describes the connection between the infectious parasitic disease malaria and the genetic disease sickle cell anemia - one of the best-understood examples of natural selection in humans.

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The Making of the Fittest: The Birth and Death of Genes  Great for students
This 13-minute film describes how scientists have pieced together the evolutionary history of the Antarctic icefish by studying its genome — an excellent case study for genetic evolution as both the gain and loss of genes have led to key adaptations.

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High altitude adaptations: The work of Emilia Huerta-Sánchez  Advanced
This research profile follows statistician and population geneticist Emilia Huerta-Sánchez as she studies the adaptations that allow Tibetan highlanders to live 13,000 feet above sea level without developing altitude sickness.

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Evo in the News: Evolutionary history in a tiny package
This news brief, from March 2012, describes the discovery four new species — all miniature chameleons — and explores the concept of island dwarfism.

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Sexo, especiación y física subacuática  Advanced
Evolución en las noticias relata una reciente historia que señala como comprender física básica puede revelar como la evolución esta ocurriendo hoy — en especial, como la física de la luz tiene influencia sobre la selección sexual, especiación y el colapso de la biodiversidad, producto de la polución causada por los humanos...

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Radiations and extinctions: Biodiversity through the ages
This excerpted chapter from Carl Zimmer's book, The Tangled Bank, describes the evolutionary processes responsible for large scale patterns in the diversity of life through time. Reprinted with the permission of Roberts and Company Publishers, Inc.
This resource is available from the National Center for Science Education.

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A fisheye view of the tree of life
This interactive phylogeny of the ray-finned fishes lets users dynamically explore the evolution of fish traits, as well as read stories about the evolution of unusual characteristics such as bioluminescence and venom.