Ancient Farmers of the Amazon

This video segment from Evolution: "Evolutionary Arms Race" tells the story of the leafcutter ant and the fungus it farms -- an example of mutually beneficial symbiosis.

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Biological Invaders

This video segment from Evolution: "Extinction!" shows the impact of invasive species on native ecosystems.

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Chasing Beetles, Finding Darwin

In this video from KQED's QUEST, find out how Darwin's ideas remain as central to scientific exploration as when they were first published 150 years ago.

The Common Genetic Code

Paul Nurse describes his research that showed that humans share some genes with organisms as different from us as simple brewer's yeast. Footage from Secret of Life: "Immortal Thread."

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Engineering Biofuels

In this video segment adapted from KQED's QUEST, find out how synthetic biologists use the techniques of metabolic engineering and directed evolution to make more effective biofuels.

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Evolution of Camouflage

This video segment from Evolution: "Darwin's Dangerous Idea" illustrates the remarkable camouflage of a praying mantis against its leafy backdrop.

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Evolution of the Eye

Zoologist Dan-Erik Nilsson demonstrates how the complex human eye could have evolved from simple light-sensitive cells. From Evolution: "Darwin's Dangerous Idea."

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Evolving Ideas: How Does Evolution Really Work?

The process of evolution through natural selection is the focus of this video segment from Evolution, which presents a field study of hummingbird speciation in Ecuador.

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Evolving Ideas: How Do We Know Evolution Happens?

This video from Evolution focuses on one of the several lines of evidence for evolution -- fossils, highlighting the evolution of whales from land-dwelling mammals to the aquatic creatures we know today.

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Evolving Ideas: Why Does Evolution Matter Now?

In this video from Evolution, an exploration of multi-drug resistant tuberculosis in the Russian prison system highlights one reason it is important to understand evolution.

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Fish with Fingers

In this video segment from Evolution: "Great Transformations," paleontologist Jenny Clack explains that vertebrates evolved fingers before they invaded land.

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Floral Arrangements

Explore a few of the ways plants pollinate each other in this video segment from Sexual Encounters of a Floral Kind.

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Frozen Frogs

This video segment adapted from NOVA scienceNOW shows how the common wood frog freezes solid every winter, an adaptation that allows the organism to survive the cold winter.

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Genetically Engineering the Avian Flu

In this video segment adapted from NOVA scienceNOW, learn about a radical biotechnology experiment aimed at figuring out how to stop the avian flu virus.

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Geneticist Pardis Sabeti

In this video profile adapted from NOVA scienceNOW, learn about geneticist and rock musician Pardis Sabeti, whose innovative insights into natural selection demonstrated how beneficial mutations spread quickly through a population.

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Genetic Tool Kit

The shared set of genes for body segments, possessed by all animals, are discussed in this video segment from Evolution: "Great Transformations."

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Genetic Variation

This video segment from NOVA: "Cracking the Code of Life" explores the genetic similarities and differences among organisms.

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HIV Immunity

Although repeatedly exposed to HIV, Steve Crohn's blood cells were never infected. Dr. David Ho investigates in this video segment from NOVA: "Surviving AIDS."

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Human Chromosome 2

In this video segment adapted from NOVA: "Judgment Day: Intelligent Design on Trial," learn how modern genetics and molecular biology offer compelling support for evolution. The video features an interview with biologist Ken Miller.

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Hummingbird Species in the Transitional Zones

This video segment from Evolution: "Darwin's Dangerous Idea" shows biologists Chris Schneider and Tom Smith studying hummingbirds and other animals in Ecuador. Their research is investigating the processes by which new species are formed.

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Investigating Neanderthals

This video excerpt from NOVA scienceNOW looks at how head shapes of Neanderthals and modern humans differ.

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Killer Microbe

Learn how biotechnology is used to analyze the evolution of a formerly harmless bacterium into a highly drug-resistant and lethal pathogen in this video segment adapted from NOVA scienceNOW.

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Leafy Spurge

This video segment from Evolution: "Extinction!" shows how biological control is successfully combating North Dakota's infestation of leafy spurge, a non-native plant.

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Masters of Disguise

In the face of danger, what's a spineless animal to do? This video segment introduces the concept of camouflage -- how animals achieve it and how this form of disguise benefits both predators and prey. Footage from NOVA: "Animal Impostors."

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A Mutation Story

This video segment describes the role of the sickle cell gene in natural selection. Footage courtesy of the PBS series Secret of Life: "Accidents of Creation."

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Permian-Triassic Extinction

In this video segment from Evolution: "Extinction!", geologist Peter Ward discusses evidence for a Permian-Triassic mass extinction.

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Pink Dolphins of the Amazon

This video resource from Jean-Michel Cousteau: Ocean Adventures explores the unique adaptations developed by the pink river dolphin in order to survive in the freshwater rivers of the Amazon.

The Red Queen

An example of the Red Queen hypothesis, the sexual population of Mexican Poeciliid fish are able to keep up with a changing environment, while the asexual populations are not as successful. From Evolution: "Why Sex?"

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The Reproductive Role of Flowers

In this video segment adapted from NOVA, learn about the critical role of flowers in seed plant reproductive biology.

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The Reverse Evolution Machine

Dr. David Haussler has created a new method of detecting dinosaur DNA, called ”computational genomics.” In this video from QUEST produced by KQED, learn about this innovative way of discovering dinosaur DNA.

Switching Genes On and Off

This video segment adapted from NOVA reveals how "junk" DNA helped solve an evolutionary mystery: Why do certain species of fruit flies have wing spots while others don't?

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Tale of the Peacock

The peacock provides a classic example of sexual selection, the force behind nature's extravagances. From Evolution: "Why Sex?"

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Teaching Evolution Case Studies: Bonnie Chen

Bonnie Chen builds on students' prior knowledge of mutations to lead her class through a simulation of wading birds feeding.

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To Make a Spear

About 100,000 years ago, humans began to develop the spear, representing the beginnings of projective technology and organized hunting.

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Toxic Newts

The father and son team of Brodie and Brodie track down the predator able to stomach a mysteriously hyper-toxic newt, an example of an evolutionary arms race in action. From Evolution: "Evolutionary Arms Race."

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Transitional Tetrapod Fossil

In this video segment from NOVA: "Judgment Day: Intelligent Design on Trial," learn about the discovery of a well-preserved transitional fossil and how such transitional fossils support the theory of evolution.

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Unique Species of Kentucky's Green River

This KET video from Kentucky's Last Great Places shows how the Green River has remained unusually clean and why it is home to several endangered aquatic species.

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