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RESOURCE	GRADE LEVEL	MEDIA TYPE
Eradicating Malaria with DDT Learn about the role of the controversial chemical DDT in the worldwide malaria eradication program, and hear from an expert who advocates bringing it back, in this video segment adapted from Rx for Survival. Accessibility features: Caption	9-12	Video
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. Accessibility features: Caption	9-12	Video
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. Accessibility features: Caption	9-12	Video
An Everglades Visit In this adapted video segment, ZOOM guest Tommy takes us on a tour of the Florida Everglades. He describes what makes a wetland biome unique, including the soil, precipitation, and biodiversity. Accessibility features: Caption	K-8	Video
Evolutionary Roots of Language This video excerpt from NOVA scienceNOW looks at how language and tool-making may have coevolved. Accessibility features: Caption, Transcript	6-12	Video
Extracting Mummy DNA This video segment adapted from NOVA explains how a DNA sample is taken from a 5,000-year-old mummy and what we can learn from it. Accessibility features: Caption, Transcript	6-12	Video
Factory Farms and Organic Alternatives In this video adapted from the series Race to Save the Planet, learn how agricultural pesticides can help increase the amount of food produced, but can also damage soil and wildlife in the process. See how organic farming addresses some of these challenges. Accessibility features: Caption	6-12	Video
Falconry This video segment from IdahoPTV's D4K defines falconry and shows some of the equipment used for training a falcon to hunt. Accessibility features: Caption, Transcript	4-6	Video
Farm Nitrates in the Water Supply Learn how nitrate runoff from farm fertilizers can negatively impact human health and how a water treatment plant is tackling the challenge, in this video excerpted from Big River. Accessibility features: Caption	6-12	Video
Farm Solutions to Water Pollution In this KET video from Common Ground and Cleaner Water, Tribby Vice, a Kentucky farmer, talks about the changes he has made on his farm to protect the water quality of the stream running through his property and the watershed in which he lives. Accessibility features: Caption	5-12	Video
Fever! This video describes the role of the brain in regulating body temperature and how sometimes fever is employed to fight off infection. Accessibility features: Audio Description, Caption	6-8	Video
Fish Research This video segment from IdahoPTV's D4K explains the Chinook salmon's life cycle in the Pacific Northwest and why it is an endangered species. A fisheries biologist takes students through some steps of fish research with explanations of the kinds of information biologists gather to perhaps help manage fish recovery. Accessibility features: Caption, Transcript	4-6	Video
Flood Plain and Higher Ground Habitats This video segment from NatureScene features the area of the Congaree Swamp where the high ground and the flood plain meet. Learn how a few feet of difference in elevation on a floodplain can yield drastic changes in what you’ll find living there. Accessibility features: Caption	3-8	Video
Floral Arrangements Explore a few of the ways plants pollinate each other in this video segment from Sexual Encounters of a Floral Kind. Accessibility features: Audio Description, Caption, Transcript	6-12	Video
Climate Wisconsin: Fly Fishing Learn how fly fishing and trout are impacted by Wisconsin’s changing climate in this multimedia video produced by the Wisconsin Educational Communications Board. Accessibility features: Caption	6-12	Video
Food Is Fuel This video excerpt from NOVA scienceNOW examines the energy and nutrient content of a cupcake and a rat. Accessibility features: Caption, Transcript	6-12	Video
Food Web This short video segment from IdahoPTV's D4K illustrates how a food web works. Accessibility features: Caption, Transcript	4-6	Video
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. Accessibility features: Caption	9-12	Video
Forests This video segment from IdahoPTV's D4K describes rain, temperate and boreal forests and some of the animals that live in them. Accessibility features: Caption, Transcript	4-6	Video
Fossil Evidence of Bipedalism This video segment adapted from NOVA shows how scientists use the fossil record to trace when early human ancestors and related species began walking on two legs instead of four, and to determine whether they were more apelike or human in appearance. Accessibility features: Caption	8-12	Video
Fossils This video segment from IdahoPTV's D4K explains how fossils are formed, discusses the Hagerman Horse fossil found in Idaho. It describes the tools Paleontologists use and why they study fossils. Accessibility features: Caption, Transcript	4-6	Video
Frogs A boy named Ben learns about the dangers of invasive species—in this case, frogs—in this animated video from LOOP SCOOPS. Accessibility features: Caption	1-4	Video
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. Accessibility features: Caption	9-12	Video
From DNA to Protein This narrated animation schematically shows the process of protein synthesis. Adapted from Interactive NOVA: "Secret of Life." Accessibility features: Caption	9-12	Video
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." Accessibility features: Caption	K-5	Video
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. Accessibility features: Caption	6-12	Video
The Function of Sleep In this video segment adapted from NOVA scienceNOW, discover what researchers are learning about sleep by examining the dreams of rats. Accessibility features: Caption	6-12	Video
Garbage A boy named Oliver learns how to reduce the amount of trash he discards, in this animated video from LOOP SCOOPS. Accessibility features: Caption	1-4	Video
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." Accessibility features: Audio Description, Caption	6-12	Video
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. Accessibility features: Caption	9-12	Video
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. Accessibility features: Caption	9-12	Video
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. Accessibility features: Caption	6-12	Video
Germinator This ZOOMSci video segment teaches you how to germinate seeds in a plastic bag and helps you understand some of the factors that influence the germination process. Accessibility features: Audio Description, Caption, Transcript	K-8	Video
Getting Fit at the Gym In this video adapted from the In the Mix, watch the kinds of exercise students do to keep in shape. Accessibility features: Caption	5-12	Video
Gila Monster This video segment from Outdoor Nevada looks at the Gila monster's behavior, habitat, and unique adaptive characteristics. Accessibility features: Caption	3-12	Video
Global Warming Threatens Caribou This video segment adapted from Arctic Mission presents the challenges faced by caribou herds unable to adapt to a warming climate. Accessibility features: Caption	6-12	Video
Global Warming Threatens Shishmaref In this video segment adapted from Spanner Films, visit the Alaska Native village of Shishmaref, and learn how an entire town may be forced to relocate because of warmer temperatures, melting sea ice, and coastal erosion. Accessibility features: Caption	6-12	Video
Global Warming Threatens World Water Supply Potentially half of the world's water supply may be at risk because of melting glaciers. Learn more about the consequences of global warming in this video segment adapted from FRONTLINE: "Heat." Accessibility features: Caption	9-12	Video
Groundbreaking Pesticide Ban Learn how one child's willingness to share her experience of life-threatening exposure to lawn pesticides helped inspire a citywide ban of pesticides for lawn or garden use, in this video segment adapted from Playing with Poison. Accessibility features: Caption	6-12	Video
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. Accessibility features: Caption	9-12	Video
Guess How Whales Hear! This video segment explores how one marine biologist used the scientific process to discover how whales hear. Accessibility features: Caption, Transcript	K-5	Video
Gwich'in Tribe Protects Caribou and Culture In this video adapted from Bullfrog Films, Gwich’in Chief Evon Peter of Arctic Village, Alaska, describes his people's connection to the caribou and their passion to protect Alaska Native land and traditions. Accessibility features: Caption	3-12	Video
Habitat This video segment from IdahoPTV's D4K explains the 4 basic requirements of a perfect habitat and what a niche is within a habitat. You'll see videos of different animals in their habitats, such as; bear, moose, spiders and mountain goats, Accessibility features: Caption, Transcript	4-6	Video
Habitat and Diet in Racehorse Development This animated segment from KET's Electronic Field Trip to a Horse Farm demonstrates one of the ways calcium, a naturally occurring mineral derived from limestone, enters a horse's diet to give it an advantage in bone strength. Accessibility features: Caption	K-5	Video
Healing Mother Earth for Future Generations In this video segment adapted from United Tribes Technical College, meet Native Americans who are concerned about climate change and believe that action today can help future generations once again live in harmony with Earth. Accessibility features: Caption	3-11	Video
The Health Benefits of Exercise In this video adapted from Living with MyType2, a teen with diabetes works out with a coach and learns some of the health benefits of exercise. Accessibility features: Caption	5-12	Video
Health Risks of the BP Oil Spill In this video segment adapted from Need to Know, learn about the possible short- and long-term health risks for workers involved in cleaning up the BP oil spill in the Gulf of Mexico. Accessibility features: Caption	9-12	Video
Healthy Eating Habits This animated video segment adapted from the Centers for Disease Control and Prevention, featuring American Indian characters, promotes replacing sugary foods with fruits and vegetables. Accessibility features: Caption	K-2	Video
Healthy Snacks This animated video segment adapted from the Centers for Disease Control and Prevention, featuring American Indian characters, offers suggestions of what to eat for healthy snacks and looks at why less healthy snacks should be considered "sometimes" foods. Accessibility features: Caption	K-2	Video
Hearing This video segment from IdahoPTV's D4K describes the parts of the ear and the path a sound wave makes to your brain. It points out the role of the ear in maintaining balance and why and how to protect your ears. Accessibility features: Caption, Transcript	4-6	Video
The Science Behind Appetite This video segment, adapted from NOVA, tells the story of a ballerina battling anorexia. It explains how serotonin regulates appetite, and presents some of the health risks that accompany the eating disorder. Accessibility features: Caption	5-12	Video
Homo Sapiens Versus Neanderthals This video segment, adapted from NOVA, explores reasons why Homo sapiens had an advantage over Neanderthals in the pursuit of territory and natural resources. Accessibility features: Caption	6-12	Video
Horned Lizard In this video from Outdoor Nevada, learn about the habitat, diet, and defense mechanisms of horned lizards. Accessibility features: Caption	3-12	Video
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. Accessibility features: Audio Description, Caption, Transcript	6-12	Video
How DNA Replicates This narrated animation from Interactive NOVA: "The Secret of Life" illustrates DNA replication. Accessibility features: Caption	9-12	Video
How the Arctic Ecosystem Might Change In this video segment adapted from the National Film Board of Canada, learn why the unique Arctic ecosystem may be replaced if global warming continues to melt sea ice. Accessibility features: Caption	6-12	Video
How the Body Responds to Exercise In this video segment adapted from NOVA, follow novice runners as they train for a marathon, and discover how quickly the body responds to regular aerobic exercise. Accessibility features: Caption	6-12	Video
How to Prevent Future Bhopals Henrik Selin, a professor of international relations at Boston University and author of the forthcoming book Global Governance of Hazardous Chemicals, assesses the risk of future disasters like the 1984 gas leak in Bhopal India, in this audio segment from PRI's The World Science Podcast. Accessibility features: Caption	9-12	Audio
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. Accessibility features: Caption	6-12	Video
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. Accessibility features: Audio Description, Caption	6-12	Video
Hummingbirds This video segment from Outdoor Nevada explores the traits, behaviors, and habitat of four hummingbird species. Accessibility features: Caption	3-12	Video
Hunters Navigate Warming Arctic In this video segment adapted from the National Film Board of Canada, learn how the Inuit people have used their traditional knowledge to understand and adapt to changes in their Arctic environment, particularly when hunting and navigating the landscape. Accessibility features: Caption	6-12	Video
Idaho Fish This video segment from IdahoPTV's D4K introduces Idaho's native fish species, and discusses why some populations are doing fine while others are struggling with declining numbers. Accessibility features: Caption, Transcript	4-6	Video
Immune Cells in Action In this video segment from The Secret of Life Teaching Modules: "Nothing to Sneeze At: Viruses," watch as a virus attacks a cell, and learn how the immune system reacts to this onslaught. Accessibility features: Audio Description, Caption	6-12	Video
Indiana Bats of Carter Cave This KET video segment from Kentucky Life explores one of the endangered habitats of Indiana bats and describes the benefits of bats to humans. Accessibility features: Caption	K-12	Video
Ingredients for Life: Carbon This video segment adapted from NOVA illustrates why carbon is at the center of life on Earth. It also asks whether carbon-based life might exist on other planets. Accessibility features: Audio Description, Caption	6-12	Video
Inuit Observations of Climate Change In this video adapted from the International Institute for Sustainable Development, an Inuit community collaborates with Western scientists studying climate change. Inuit observations are recorded and included in the data collection process, expanding the scientists' understanding of changes in the area. Accessibility features: Caption	6-12	Video
Investigating Neanderthals This video excerpt from NOVA scienceNOW looks at how head shapes of Neanderthals and modern humans differ. Accessibility features: Caption, Transcript	6-12	Video
Is It Alive? What is it that distinguishes a living organism from a nonliving object? This video presents examples that aren't as clear-cut as one might think, enticing students to question what it means to be alive. Accessibility features: Caption	K-5	Video
Iñupiaq Whale Hunt This video, adapted from material provided by the ECHO partners, provides a portrait of Iñupiaq whaling as a community activity, as told through the story of one hunt. Accessibility features: Caption	6-9	Video
Juice Boxes A kid discovers that an ordinary juice box is surprisingly high-tech and, once discarded, will last for 300 years, in this animated video from LOOP SCOOPS. Accessibility features: Caption	1-4	Video
The Kemps Ridley Sea Turtle This video adapted from Texas Parks and Wildlife Department describes how humans are helping restore safe nesting grounds for the critically endangered Kemp's ridley sea turtle to ensure its successful repopulation. Accessibility features: Caption	3-12	Video
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. Accessibility features: Caption	9-12	Video
La'ona DeWilde: Environmental Biologist In this video profile produced for Teachers' Domain, meet La'ona DeWilde, an environmental biologist who integrates her Athabascan heritage and her Western scientific training to help remote Alaskan villages address environmental issues. Accessibility features: Caption	3-12	Video
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. Accessibility features: Caption	9-12	Video
Liberty Lands In this What's Up In The Environment? video segment, learn how a contaminated plot of land in Philadelphia was recycled into a beautiful public park called Liberty Lands. Accessibility features: Caption, Transcript	4-8	Video
Life in the Deep Learn about some strange creatures that inhabit the deep oceans, including transparent sea cucumbers and oil eating tube worms, in this audio segment from PRI's The World Science Podcast. Accessibility features: Caption	9-12	Audio
Life's Basic Ingredients This video excerpt from NOVA introduces the basic ingredients of life. Accessibility features: Caption, Transcript	6-12	Video
Life's Extreme Environments This video excerpt from NOVA explores microbes thriving in extreme environments. Accessibility features: Caption, Transcript	6-12	Video
Living on the Coast This video, adapted from material provided by the ECHO partners, illuminates how living on the coast affects individuals and communities, particularly humans' interrelationships with natural resources. Accessibility features: Caption	6-9	Video
Loading a Gel This video produced by WGBH provides step-by-step instructions for loading samples into an agarose gel. Accessibility features: Caption	9-12	Video
Loading a Micropipette This video produced by WGBH demonstrates how to load correctly a micropipette and dispense a solution. Accessibility features: Caption	9-12	Video
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. Accessibility features: Caption	9-12	Video
Looking for Intelligence in the Brain Meet scientists who are using the latest imaging techniques to search for intelligence in the brain, in this video adapted from NOVA scienceNOW. Accessibility features: Caption	9-12	Video
Lysing This video produced by WGBH provides step-by-step instructions for performing a lyses reaction to break open transformed cells. Accessibility features: Caption	9-12	Video
Magazines After learning that two-and-a-half million tons of magazines are discarded in America every year, a girl finds creative ways to reuse them, in this animated video from LOOP SCOOPS. Accessibility features: Caption	1-4	Video
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. Accessibility features: Caption	9-12	Video
Malaria Treatment and Prevention Strategies In this video segment adapted from Rx for Survival, watch a graphic representation of the malaria parasite and hear from experts about the physical and economic effects of the disease on the human population, as well as treatments and preventive measures. Accessibility features: Caption	6-12	Video
Maple Syrup This video from WPSU’s series Outside shows how to identify a sugar maple tree by its branches, twigs, buds, and bark, and explains how to produce maple syrup. Accessibility features: Caption	3-6	Video
Marathon Migrators This video segment from NOVA: "The Mystery of Animal Pathfinders" explores how the migratory patterns of shorebirds have evolved to coincide with the spawning of horseshoe crabs. Accessibility features: Audio Description, Caption	6-8	Video
Mass Extinction In this video segment adapted from NOVA scienceNOW, learn about a chain of events, including ancient volcanoes, global warming, and deadly gases, which may have caused Earth's greatest mass extinction 250 million years ago. Accessibility features: Caption	6-12	Video
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." Accessibility features: Audio Description, Caption, Transcript	K-12	Video
Melting Permafrost In this video adapted from the International Institute for Sustainable Development, see melting permafrost and hear Alaska Native peoples and Western scientists discuss its impact on Inuit culture and resources. Accessibility features: Caption	6-12	Video
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. Accessibility features: Audio Description, Caption, Transcript	K-5	Video
Microbial Life in Antarctica This video excerpt from NOVA shows life thriving in Mars-like conditions. Accessibility features: Caption, Transcript	6-12	Video
Micronesia's Changing Climate: The Problem Discover what Pacific Island communities can do to reduce the impact of climate change, in these four videos adapted from the Micronesia Conservation Trust. Accessibility features: Caption	9-12	Video
Migration of the Monarch This video segment from NOVA: "The Mystery of Animal Pathfinders" explores the migratorial exploits of monarch butterflies. Accessibility features: Caption, Transcript	3-8	Video
Mirror Neurons This video segment, adapted from NOVA scienceNow, introduces the latest research on a system of neurons that plays a part in how people relate to each other. Accessibility features: Caption	6-12	Video
Mitigating Climate Change in China and Ethiopia In this video segment adapted from "Hope in a Changing Climate," learn how an environmentally devastated ecosystem has been restored, benefiting both the local economy and global efforts to fight climate change. Accessibility features: Caption	6-12	Video
Mitochondrial Flyover This video segment illustrates the three-dimensional structure of a mitochondrion, the organelle that powers nearly every cellular process in your body. Accessibility features: Caption	9-12	Video