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RESOURCE	GRADE LEVEL	MEDIA TYPE
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. Accessibility features: Caption	6-12	Video
Body Waste This video segment from IdahoPTV's D4K takes a look at the reasons why body waste keep you healthy and the parts of the body form the waste products, urine, pus, carbon dioxide, gas and feces. Accessibility features: Caption, Transcript	4-6	Video
Body Waste that Protects You This video segment from IdahoPTV's D4K covers the body wastes that protect you: earwax, mucus, tears, sweat and vomit. Accessibility features: Caption, Transcript	4-6	Video
The Brain This video segment from IdahoPTV's D4K explores the anatomy of the brain and how your brain interacts with the rest of your body. Accessibility features: Caption, Transcript	4-6	Video
Brain Trauma Find out how serious head concussions can be in this video segment adapted from NOVA scienceNOW. Accessibility features: Caption	6-12	Video
Bt Corn This video segment from FRONTLINE/NOVA: "Harvest of Fear" looks at corn that has been genetically modified to resist one insect pest, and the multiple concerns it raises. Accessibility features: Caption	9-12	Video
Bubonic Plague In this video segment adapted from A Science Odyssey, learn about bubonic plague and how city officials in San Francisco tried to contain its spread in the early 1900s. Accessibility features: Caption	6-12	Video
Building the Alaska Oil Pipeline This video segment adapted from AMERICAN EXPERIENCE tells the story of how environmentalists, Alaska Native peoples, and engineers concerned about the effects of permafrost challenged plans for the Alaska oil pipeline. Accessibility features: Caption	6-12	Video
Burrowing Owl In this video segment from Outdoor Nevada, learn about burrowing owls, yearlong residents of open, dry grassland and desert habitats, and the only owls that nest underground and are active both day and night. Accessibility features: Caption	K-12	Video
Butterflies This video from Vegas PBS features colorful insects known as butterflies, and looks at the coloration, species, life cycle, and migration habits within their habitat. Accessibility features: Caption	K-8	Video
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. Accessibility features: Caption	9-12	Video
Carnivorous Plants of Texas In this video adapted from Texas Parks and Wildlife Department, learn about carnivorous plants that act as both producers and consumers in an ecosystem. See sundews and blatterworts capture and digest insects. Accessibility features: Caption	K-12	Video
Carnivorous Plants of Cartwheel Bay In this video segment from NatureScene, explore Cartwheel Bay, a wetland in South Carolina, and learn about the variety of carnivorous plants native to this unique landform. Accessibility features: Caption	3-8	Video
Caves: Extreme Conditions for Life This video segment adapted from NOVA raises the provocative idea that if life can exist in the most extreme environments on Earth — such as in dark, toxic caves — then perhaps living things can also survive in harsh environments on other planets. Accessibility features: Audio Description, Caption	6-12	Video
Cell Differentiation In this video segment from The Secret of Life school video, "Sex and the Single Gene" follow as a single fertilized egg cell divides, differentiates, and assembles into the tissues and organs of a new organism. Accessibility features: Audio Description, Caption	6-12	Video
Changing Arctic Landscape In this video adapted from the Arctic Athabaskan Council, learn how warmer temperatures in the Arctic are transforming the landscape, triggering a host of effects such as permafrost thawing and insect infestations. Accessibility features: Caption	6-12	Video
Chemical Risks to a Fetus Learn about the risks environmental contaminants pose for a developing fetus, in this video adapted from Contaminated Without Consent. Accessibility features: Caption	9-12	Video
Chemist and Biologist Catherine Drennan In this video produced for Teachers' Domain, learn about MIT professor Cathy Drennan's research into microorganisms that remove carbon dioxide, a greenhouse gas, from the atmosphere. Accessibility features: Caption	9-12	Video
Chicken Waste and Water Pollution In this video segment adapted from FRONTLINE: “Poisoned Waters,” learn how unregulated waste from large-scale chicken farms contributes to water pollution. Accessibility features: Caption	6-12	Video
Choosing Foods for Your Health This resource includes two video segments adapted from Living With MyType2 and features diabetic teenagers Misty and Tim explaining how they carefully choose the foods they eat. Accessibility features: Caption	5-12	Video
Classical vs. Transgenic Breeding This video segment from FRONTLINE/NOVA: "Harvest of Fear" explains that genetic engineering and classical breeding both alter the genetic makeup of crop plants. Accessibility features: Caption	9-12	Video
Climate and Human Evolution In this video segment adapted from NOVA: "Becoming Human," learn how the analysis of rock layers and ocean sediments supports the theory that rapid climate change may have jump-started human evolution two million years ago. Accessibility features: Caption	6-12	Video
Climate Change Threatens Pacific Paradise Learn how climate change has impacted food and freshwater resources on the Carteret Islands of Papua New Guinea, in these two videos adapted from UNU-IAS Traditional Knowledge Initiative and Pacific Black Box, Inc. Accessibility features: Caption	6-12	Video
Comets Bombard the Early Earth Visualize how comets carrying chemicals necessary for life could have made their way to Earth billions of years ago in this video segment adapted from NOVA. Accessibility features: Caption	6-12	Video
Comets Deliver Amino Acids to Earth Amino acids, essential ingredients for life, may have been delivered to Earth by comets billions of years ago, as visualized in this video segment adapted from NOVA. Accessibility features: Caption	6-12	Video
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." Accessibility features: Caption	9-12	Video
Common Past, Different Paths This time-lapse microphotography of developing embryos shows the common ancestry of all vertebrates. Footage from NOVA: "Odyssey of Life." Accessibility features: Audio Description, Caption	K-8	Video
Conserving a Unique Ecosystem in Micronesia Learn about the steps that the people of Kosrae, Micronesia, are taking to protect their natural resources, in this video adapted from the Micronesia Conservation Trust. Accessibility features: Caption	9-12	Video
Contaminants in the Arctic Food Chain The levels of contaminants found in particular animals vary widely depending on where they fit into the Arctic food chain, as described in this video segment adapted from LOKE Films and the Arctic Monitoring and Assessment Programme. Accessibility features: Caption	5-12	Video
Contaminants in the Arctic Human Population In this video segment adapted from LOKE Films and the Arctic Monitoring and Assessment Programme, learn how human populations in the Arctic are affected by industrial contaminants in the food chain. Accessibility features: Caption	5-12	Video
Contaminating the Rockies Learn how abandoned mines have been contaminating water supplies in the Rocky Mountains for decades in this video segment adapted from NOVA: "Poison in the Rockies." Accessibility features: Caption	6-12	Video
Converting to Biodiesel Meet a college student whose class project to turn cooking grease into diesel fuel resulted in converting bus fleets to biodiesel, in this video from Earth Island Institute's New Leaders Initiative. Accessibility features: Caption	5-12	Video
Coral Kid In this video segment, ZOOM guest Cassie takes us on a tour of the coral reef near her home in Key Largo, Florida, and points out some of its unique features. Accessibility features: Caption	K-8	Video
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. Accessibility features: Caption	9-12	Video
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. Accessibility features: Caption, Transcript	4-6	Video
Darwin: Reluctant Rebel This video segment from Evolution: "Darwin's Dangerous Idea," together with interviews with Daniel Dennett and James Moore, depicts Darwin struggling with publicizing his revolutionary theory. Accessibility features: Caption	9-12	Video
Dating Lava Flows on Mauna Loa Volcano, Hawaiʻi In this video segment adapted from NOVA, scientists search for carbonized remains of plants preserved in lava flows to find out how long it has taken rain forests on Hawaiʻi to regenerate after a volcanic eruption. Accessibility features: Audio Description, Caption	3-12	Video
Decision-Maker Bees and the Human Brain Learn about the similarity between the pattern of communication within a bee colony and neural networks in the human brain, in this video adapted from NOVA scienceNOW. Accessibility features: Caption	6-12	Video
Decomposers Without the work of decomposers, living organisms would eventually use up all the raw materials in the environment, and dead organisms and wastes would pile up. This video segment from Interactive NOVA: "Earth" describes the role of decomposers as the Earth's great recyclers. Accessibility features: Caption	K-5	Video
Deep Sea Vents and Life's Origins Deep-sea vents are home to strange, luminescent life forms that thrive through chemosynthesis. This video segment from NOVA: "Volcanoes of the Deep" hypothesizes life's beginnings in this extreme environment. Accessibility features: Audio Description, Caption, Transcript	3-12	Video
Dengue Virus Invades a Cell In this visualization adapted from the University of Massachusetts Medical School, discover the role that dengue viral proteins play in a human cell as the virus prepares to replicate. Accessibility features: Caption	9-12	Video
Desert Biome This video segment from NOVA: "A Desert Place" describes the physical characteristics and organisms that define the desert biome. Accessibility features: Audio Description, Caption, Transcript	3-12	Video
Desert Habitat This video segment from IdahoPTV's D4K defines warm and cold (high) deserts, and describes some of the plants and animals found there as well as their adaptations for living in each type of desert. Accessibility features: Caption, Transcript	4-6	Video
Desert Tortoise This video segment from Outdoor Nevada examines threats to the desert tortoise population. Accessibility features: Caption	K-12	Video
Dinosaurs This video segment from IdahoPTV's D4K shows us what paleontologists think dinosaurs looked like, what they ate, and why they might have disappeared. We see paleontologists at work studying dinosaurs fossils. Accessibility features: Caption, Transcript	4-6	Video
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. Accessibility features: Caption	6-12	Video
Diversity of Hardwoods at Congaree Swamp In this video segment from NatureScene, observe some methods of plant identification with regards to the diversity of hardwoods at the Congaree Swamp. Accessibility features: Caption	3-8	Video
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. Accessibility features: Caption	9-12	Video
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. Accessibility features: Caption	3-12	Video
Double Immunity Dr. Stephen O'Brien of the National Cancer Institute discovers a 700-year-old mutation that makes a person resistant to HIV infection. From Evolution: "Evolutionary Arms Race." Accessibility features: Caption	9-12	Video