PBS
Pbs Learning Media: Darwin's Letters to Lyell
In this letter written to his friend and mentor Charles Lyell less than three weeks after the publication of "On the Origin of Species", Darwin describes the reaction of the great anatomist Richard Owen to his theory. From Charles...
PBS
Pbs Learning Media: Evolution on Double Time
In this excerpt from the PBS series "Evolution," award-winning science journalist Carl Zimmer describes how gene duplication may have been the key to the rapid evolution of the early stages of life on Earth.
PBS
Pbs Learning Media: Evidence for Evolution Web Quest
This Web quest from the PBS series "Evolution" will help you investigate a variety of types of evidence for evolution.
PBS
Pbs Learning Media: Life's Grand Design
Are nature's complex forms evidence of "intelligent design"? In this Evolution essay, biologist Kenneth Miller explains how the processes of evolution account for complex structures such as the human eye.
PBS
Pbs Learning Media: 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.
PBS
Pbs Learning Media: Laetoli Footprints
This Evolution video segment describes how the famous track fossils known as the Laetoli footprints might have been formed and what they can reveal about the creatures who left them.
PBS
Pbs Learning Media: Molecular Clocks: Proteins That Evolve at Different Rates
In this graphic and article from "The Human Evolution Coloring Book" by Adrienne Zihlman, four different proteins from humans and horses are compared and the reasons each protein evolves at its own characteristic rate are discussed.
PBS
Pbs Learning Media: Sweaty T Shirts and Human Mate Choice
This video segment from Evolution: "Why Sex?" explores the "sweaty T-shirt experiment," which showed that humans may unconsciously be drawn toward a specific kind of genetic variation in a mate.
PBS
Pbs Learning Media: The Transforming Leap, From Four Legs to Two
John Noble Wilford, a "New York Times" science writer, outlines various hypotheses on the origin of bipedalism.
PBS
Pbs Learning Media: Engineer a Crop: Transgenic Manipulation
You're the geneticist now. In this interactive feature developed for the companion Web site for NOVA/FRONTLINE: "Harvest of Fear," use the latest in genetic technology to engineer your own "supercrop" of tomatoes.
PBS
Pbs Learning Media: Forensics and Dna Profiling
Find out how DNA profilers analyze bits of tissue to identify human remains. From the NOVA: "Lost on Everest" Web site.
PBS
Pbs Learning Media: Genetic Drift and the Founder Effect
This image of polydactyly illustrates one symptom of Ellis-van Creveld syndrome, which is commonly found in the Amish. Ellis-van Creveld is one example of the founder effect and genetic drift.
PBS
Pbs Learning Media: Genome Facts
This list from NOVA: "Cracking the Code of Life" Web site provides some of the basic, yet impressive, facts and figures about the Human Genome Project.
PBS
Pbs Learning Media: What's Coming to Dinner? Genetically Modified Foods
Browse through a table full of genetically modified (GM) foods to see what's available now and what's to come. From FRONTLINE/NOVA: "Harvest of Fear."
PBS
Pbs Learning Media: Animal Body Plans: Homeobox Genes
The homeobox genes that define the basic body plan of mice and fruit flies are illustrated in this graphic from The Human Evolution Coloring Book by Adrienne Zihlman. The accompanying article describes how these genes act as "molecular...
PBS
Pbs Learning Media: How Dna Evidence Works
In this article by An Meeker-O'Connell, discover how DNA evidence is processed before it goes to court.
PBS
Pbs Learning Media: How to Conquer a Genetic Disease
In Blazing a Genetic Trail, by the Howard Hughes Medical Institute, follow this three-step approach to treating genetic diseases.
PBS
Pbs Learning Media: The Sequencing Race Begins
This video segment from NOVA: "Cracking the Code of Life" looks at one of the key players in the race to decode the human genome.
PBS
Pbs Learning Media: Forensic Dna Analysis
This video segment from NOVA: "The Killer's Trail" investigates the potential for DNA evidence to solve murder cases, even those from the distant past.
PBS
Pbs Learning Media: Atmospheric Oxygen
In this feature, adapted from Interactive NOVA: Earth, students explore the relationship between oxygen concentration and the well-being of various organisms by simulating a change in oxygen levels and observing what happens.
PBS
Pbs Learning Media: Scent of an Alewife
This video segment from NOVA: "Sea Behind the Dunes" tracks the return of spawning alewife fish from the open ocean back to the freshwater streams and ponds where they were born. [3:34]
PBS
Pbs Learning Media: Seeing Through Camouflage
This interactive feature from the NOVA: "Leopards" Web site presents a wide variety of ways in which animals use coloration to their advantage.
PBS
Pbs Learning Media: Everest: Test Your Brain Under Low Oxygen Conditions
This interactive feature from the NOVA: "Everest" Web site lets you take the same brain quizzes that researchers have used to test the brain function of climbers on Mount Everest.
PBS
Pbs Learning Media: Moriussaq: A Case Study in Hearing Loss
This video segment follows neurophysiologist Allen Counter as he studies an epidemic of hearing loss in Moriussaq, Greenland, one of the quietest places on Earth. Footage from NOVA: "Mystery of the Senses: Hearing."