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RESOURCE	GRADE LEVEL	MEDIA TYPE
Aging Diamonds? In this video from Nature, geological detectives use ancient diamonds to learn more about Earth's inner layers. Accessibility features: Transcript	6-12	Video
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. Accessibility features: Transcript	9-12	Video
Amphibian Research This short video segment from IdahoPTV's D4K explains how frogs help biologists study problems in the environment. Accessibility features: Caption, Transcript	4-6	Video
Amphibians This video segment from IdahoPTV's D4K points out what it means to be cold-blooded. A frog's life cycle is revealed as well as why it croaks, why it hibernates, and how it catches its prey. Accessibility features: Caption, Transcript	4-6	Video
Arctic Summer See the many birds that spend their summer in the Arctic in this video segment from Nature. Accessibility features: Transcript	6-12	Video
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. Accessibility features: Transcript	8-12	Video
Balloon Brain: Designing a Helmet In this video segment adapted from ZOOM, cast members are challenged to design protective headgear for a water balloon using what they know about the properties of the materials available. Accessibility features: Caption, Transcript	K-8	Video
Bear Necessities This Nature video segment focuses on the four foods most important to the grizzly bears' survival, and it describes the threats to the supply of each of them. Accessibility features: Transcript	6-12	Video
Bear Research In this video segment from IdahoPTV's D4K tag along with two biological researchers as they conduct their research project about bear movements. Accessibility features: Caption, Transcript	4-6	Video
Bears This video segment from IdahoPTV's D4K shows bears' adaptations for eating. Accessibility features: Caption, Transcript	4-6	Video
Bears' Lunch Counter This Nature video segment explores how the relationship between humans and grizzly bears has changed over the course of American History, and it describes the closing of the Yellowstone National Park garbage dumps in the 1970s. Accessibility features: Transcript	6-12	Video
Bears Don't Recognize Boundaries In this video segment from Nature, learn about the problems bears are creating on ranch land surrounding Yellowstone National Park. Accessibility features: Transcript	6-12	Video
Bears in the Schoolyard Learn about the precautions humans must take in the face of a growing grizzly bear population in this video from Nature. Accessibility features: Transcript	6-12	Video
Beavers This video segment explores the world of the beaver, including the biology of the species and, more importantly, its ability to transform an ecosystem for its own benefit. Accessibility features: Caption, Transcript	K-5	Video
Beyond Einstein NASA scientists describe some of the ways current science is addressing several of Einstein's fundamental questions and theories in this video adapted from NASA. Accessibility features: Transcript	9-12	Video
Beyond the Present This video from The Human Spark provides a look at humans' unique ability to reflect upon events that have happened in the past and think about things that could possibly happen in the future. Accessibility features: Transcript	5-12	Video
Bianca Goes where the Wind Blows In this video from Cyberchase, Bianca and Mikaela want to fly a kite, so Bianca creates a wind gauge to test the strength of the wind in various parts of the park. Accessibility features: Transcript	3-5	Video
Bird Migration This video segment from IdahoPTV's D4K discusses the purpose of migration and shows researchers and students working together to study bird migration at the Idaho Bird Observatory. Accessibility features: Caption, Transcript	4-6	Video
Birds of Kundha Kulam In this Nature video, learn about the extraordinary impact that birds have on the agriculture of a small Indian community. Accessibility features: Transcript	6-12	Video
Birds of Prey This video segment from IdahoPTV's D4K defines birds of prey and explains what characteristics they have that identify them as a raptor and help them catch their prey. 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
The Brain in Action This video segment from The Human Spark observes the brains responses to a series of cognitive tests. Accessibility features: Transcript	9-12	Video
Building a Fence In this Cyberchase video segment, Harry must build a rectangular fence in his grandmother's backyard using fencing of various sizes. Accessibility features: Transcript	3-6	Video
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. Accessibility features: Transcript	2-6	Video
Chimp Politics In this video from the PBS series The Human Spark, host Alan Alda and scientist Franz de Waal observe and compare two alpha-male chimpanzees’ different approaches to sharing at the Yerkes National Primate Research Center in Atlanta. Accessibility features: Transcript	9-12	Video
Clouds and Currents Learn about cloud formations over the Sierra Nevada Mountains in this video from Nature. Accessibility features: Transcript	6-12	Video
Collapse of Sharks This video segment from Nature shows the destructiveness of the shark fin and shark cartilage industries. Accessibility features: Transcript	6-12	Video
Columns: Experimenting with Paper Cups In this video segment from ZOOM, the cast experiments to see if a bunch of paper cups covered by a piece of cardboard can support the weight of a cast member. Accessibility features: Caption, Transcript	3-8	Video
Columns: Hillary's Neighborhood In this video segment from ZOOM, Hillary, from Randolph, MA, takes us on a tour of the columns in her neighborhood. Accessibility features: Caption, Transcript	K-8	Video
Cooperation Over Competition In this video from The Human Spark, scientists discuss what may be the uniquely “human spark” which separates us from animals: our ability to communicate, cooperate, and collaborate with others. Accessibility features: Transcript	9-12	Video
Coral Reefs This video segment from Nature explores the unique status of Cuba’s coral reefs. Accessibility features: Transcript	8-12	Video
Cosmic Origin Spectrograph This video from NASA features the Cosmic Origin Spectrograph (COS), which allows scientists to use spectrographic analysis to assess the composition of intergalactic material. Accessibility features: Transcript	9-12	Video
A Cow’s Digestive System Learn how a cow eats and digests food in this video segment from Nature. Accessibility features: Transcript	6-12	Video
Creating an Island Paradise In this video segment from Nature, learn the geological process by which the next Hawaiian island will be formed. Accessibility features: Transcript	6-12	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
A Day in the Life of a Neanderthal In this video segment from The Human Spark, host Alan Alda looks at some of the similarities and differences between the Neanderthal way of life and that of modern humans. Accessibility features: Transcript	9-12	Video
Defy Gravity! Centripetal Force How can you keep a ball from falling out of a jar if the jar is upside down? Watch the ZOOM cast use centripetal force to meet this challenge. Accessibility features: Caption, Transcript	3-8	Video
Density and Buoyancy: Experimenting with Club Soda In this video segment adapted from ZOOM, the cast discovers that gas-filled bubbles act like life jackets for raisins, making them buoyant. Accessibility features: Caption, Transcript	K-8	Video
Density and Buoyancy: Testing Liquids Will a grape float in oil? Will a metal nut sink in corn syrup? Watch as the ZOOM cast tests the buoyancy of a variety of liquids and objects. Accessibility features: Caption, Transcript	K-8	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
Design for Function In this video segment from Cyberchase, the CyberSquad designs an invention that will help them cross a swamp and also reach the top of a tall cliff. Accessibility features: Caption, Transcript	3-5	Video
Designing a Puff Mobile The air you exhale can power a puff mobile. Watch as the ZOOM cast races their air-powered designs to see which design features are the most successful. Accessibility features: Caption, Transcript	K-5	Video
Designing Balloon Cars Can the air in a balloon power a car? Watch students from Weston, Massachusetts, demonstrate their balloon car designs in this video adapted from ZOOM. Accessibility features: Caption, Transcript	3-8	Video
Designing Future Cities: Alternative Energy In this video segment adapted from ZOOM, visit a class as they design a city of the future that will use solar, wind, and water power to fuel its economy. Accessibility features: Caption, Transcript	3-8	Video
Desirable Breeding Traits in Cattle This video from Nature offers a description of desirable traits in beef and dairy cattle. Accessibility features: Transcript	6-12	Video
Destructive Forces In this video segment from Nature, scientists question how animals mysteriously survive natural disasters. Accessibility features: Transcript	6-12	Video
The Developing Brain This video from The Human Spark illustrates the difference between the brain growth of man’s early ancestors and today’s modern infant. Accessibility features: Transcript	9-12	Video
Diamond Formation An expert describes the carbon composition of diamonds, as well as the conditions necessary for diamond formation in this video segment from Nature. Accessibility features: Transcript	6-12	Video