All in the Family

This video from the series Faces of America details the process of documenting family history and tracing lineage back through maternal and paternal lines.

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Animal Families

How long does a baby elephant stay with her mother? What do you call a baby goat? Young children learn some interesting facts about the lives of baby animals in this original video from KET.

As the Crow Flies

In this video from Nature researchers from the University of Washington conduct a long-term experiment to see if crows can pass information down from one generation to the next.

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Blood Vessels Help Tumors Grow

In this video segment, adapted from NOVA, Dr. Judah Folkman uses the scientific method to discover how cancer cells induce the formation of new blood vessels, which in turn nourish those cancer cells.

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Can We Slow Aging?

In this video segment adapted from NOVA scienceNOW, scientists discuss a family of genes called FOXO that can significantly extend life span in worms—and in humans.

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Challenges of Incubation

This video segment from Nature examines American Eagles along the Upper Mississippi River and their struggle to protect their eggs from predators as well as from the cold, extreme weather.

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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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The Costs and Benefits of Treating Gene Defects

In this video excerpt from NOVA, find out how whole genome sequencing saved the life of Alexis, a fraternal twin who was originally diagnosed with cerebral palsy but, in fact, had an even rarer genetic condition.

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Crime Scene Investigation

This video segment from IdahoPTV's D4K explores the tools and forensic science that crime scene investigators use to collect evidence to help solve crimes, and study animals, archaeology and paleontology.

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Desirable Breeding Traits in Cattle

This video from Nature offers a description of desirable traits in beef and dairy cattle.

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Different Breeds of Cattle

In this video segment from Nature, learn about six different breeds of cattle.

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The Discovery of Penicillin

This video segment adapted from A Science Odyssey tells the story of researcher Sir Alexander Fleming, whose luck and scientific reasoning led to the groundbreaking discovery of penicillin.

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DNA Detective

In this video from QUEST, learn about the issues of ethics and responsibility that are associated with genetic testing.

DNA Separation Lab in the Classroom and in Real-World Research

This video produced by WGBH features students in the Amgen-Bruce Wallace Biotechnology Lab Program preparing a recombinant DNA molecule, and examines how this work relates to the way real-life scientists approach similar work.

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Dolphin Reproductive Behavior

This video segment from the Science and Technology Chat series focuses on dolphin pregnancy, birth, and care of the young, and features Atlantic bottlenose dolphins living in captivity at the Mirage Resort Dolphin Habitat.

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Electrophoresis and Gel Analysis

In this animation produced by WGBH and Digizyme, Inc., see how molecules of DNA are separated using gel electrophoresis, and how this process enables scientists to compare the molecular variations of two or more DNA samples.

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Eluting Red Fluorescent Protein From the Column

This video produced by WGBH demonstrates how to properly elute a red fluorescent protein after it has been bound in a chromatography column.

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Endocrine Disruptor Hypothesis

Scientists discuss whether or not endocrine disrupting chemicals, which may cause birth defects and other health concerns, should be controlled in the absence of conclusive proof, in this video segment adapted from FRONTLINE: "Fooling with Nature."

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Epigenetics

In this video segment adapted from NOVA scienceNOW, learn how what you eat, drink, or smoke may affect the instructions your epigenomes send to your genes, and as a result, change how your DNA is expressed.

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Ethanol Biofuel

In this video segment adapted from NOVA, learn about one scientist's idea for using biotechnology to make ethanol a more efficient alternative to gasoline.

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The Ethics of Preimplantation Genetic Diagnosis

In this video excerpt from NOVA, learn about the advantages, disadvantages, and ethical implications of preimplantation genetic diagnosis, or PGD, a technique used to screen embryos created through in vitro fertilization for diseases.

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Fledglings

Witness eaglets begin to fly in this video segment from Nature.

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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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Frenetic Genetics

Students learn about the types of genetic information contained in the human genome – physical traits, behaviors, and propensity for diseases, in this video from Faces of America.

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From the Cystic Fibrosis Gene to a Drug

In this video excerpt from NOVA, find out how the discovery of a gene defect has led to the development of a new drug to treat patients with cystic fibrosis.

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From DNA to Protein

This narrated animation schematically shows the process of protein synthesis. Adapted from Interactive NOVA: "Secret of Life."

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From Seed to Flower

Watching plants grow is like watching paint dry: It happens so slowly that the changes are imperceptible from one moment to the next -- and yet the end results are dramatic. This video segment shows just how amazing plant development can be by depicting various phases of the process using time-lapse photography. Footage from NOVA: "The Shape of Things."

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From Seed to Fruit

Children get a glimpse of what happens underground in the life of a cherry tomato plant in this original animated video from KET.

Gene Control

The development of creatures that appear to have nothing in common is directed by a surprisingly small number of genes. In this video segment, learn about the power of master control genes. Footage from The Secret of Life: "Birth, Sex & Death."

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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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Genetic Engineering and Working with DNA

In this animation produced by WGBH and Digizyme, Inc., see how bacterial plasmids are engineered to clone or express genes that code for proteins such as human insulin.

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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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Growing Bacterial Cultures

This animation produced by WGBH and Digizyme, Inc. demonstrates the techniques researchers use to isolate transformed bacteria and expand their population in order to obtain large quantities of a protein of interest.

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How Cancer Cells Grow and Divide

This animation from NOVA: "Battle in the War on Cancer: Breast Cancer" describes how oncogenes cause cancer and how cancerous cells can spread throughout the body.

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How DNA Replicates

This narrated animation from Interactive NOVA: "The Secret of Life" illustrates DNA replication.

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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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Human Genome Project

This video segment from NOVA: "Cracking the Code of Life" looks at the meaning and significance of the effort to decode the human genome.

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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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Language Development

On his journey to discover the human spark, Alan Alda speaks with Dr. Elizabeth Spelke from Harvard University and Professor Neville from the University of Oregon about the development of language in this video from The Human Spark.

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Learning Right and Wrong

Through scientific research, this video from The Human Spark illustrates how a child’s views of what is right and wrong can be shaped by others.

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Loading a Gel

This video produced by WGBH provides step-by-step instructions for loading samples into an agarose gel.

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Loading a Micropipette

This video produced by WGBH demonstrates how to load correctly a micropipette and dispense a solution.

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Longevity Genes

What is the secret to a long life? Hear from scientists using biotechnology to analyze relationships between specific genes and longevity in this video segment adapted from NOVA scienceNOW.

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Lysing

This video produced by WGBH provides step-by-step instructions for performing a lyses reaction to break open transformed cells.

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Making an Agarose Gel

This video adapted from the University of Leicester demonstrates the step-by-step process of making and pouring an agarose gel, a key component in gel electrophoresis.

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Metamorphosis: Change of Plans

All animals develop and grow over time. The animals in this video segment, however, undergo very dramatic changes on their way to adulthood -- a developmental process known as metamorphosis.

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Migration of the Monarch

This video segment from NOVA: "The Mystery of Animal Pathfinders" explores the migratorial exploits of monarch butterflies.

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Migration Sensations

This video segment from Faces of America details the process of human migration through haplogroups and shows the haplogroups of some of the series’ guests.

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Mitosis

This video segment, adapted from the Interactive Secret of Life videodisc, explains the stages of mitosis, the process of dividing equally a cell's massive jumble of DNA just prior to cell division.

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Mixing Two Solutions

This video produced by WGBH provides step-by-step instructions on how to mix two sample solutions.

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