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Browse results: Life Science

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RESOURCE	GRADE LEVEL	MEDIA TYPE
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 Did Life Emerge Here? This video segment adapted from NOVA describes the emergence of life on the islands of Hawaiʻi from a barren volcanic platform under the ocean waves to the rich explosion of life that covers the many climate zones of the islands today. Accessibility features: Audio Description, Caption	3-12	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
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
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. Accessibility features: Caption	9-12	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
Ingredients for Life: Water This video segment adapted from NOVA goes on a whimsical journey in search of life forms thriving in extreme conditions on Earth and in outer space. Animations show ice on Jupiter's moon, Europa, and signs that water once existed on Mars. Accessibility features: Audio Description, Caption	3-12	Video
Intertidal Zone This video segment from NOVA: "The Sea Behind the Dunes" explores the community of organisms that exists in the New England tidal marsh. Accessibility features: Caption	9-12	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
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. Accessibility features: Caption, Transcript	6-12	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 Before Oxygen This Interactive NOVA: "Earth" video segment looks at ancient organisms that lived anaerobically, the origins of photosynthesis, and the new forms of life this process made possible. Accessibility features: Caption	3-12	Video
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
Liquid Assets: A Water System This segment from a WPSU documentary Liquid Assets succinctly explains how water in New York journeys from its source to our faucets. Although water flows under our feet everyday, we are blissfully unaware of this service and take it for granted. Accessibility features: Caption	9-12	Video
Liquid Assets: Community Participation/Activism This video segment from a WPSU documentary Liquid Assets explains the problem that the city of Pittsburgh faces in terms of its watershed management and the work being done by an environment group in helping its citizens deal with it. Accessibility features: Caption	9-12	Video
Liquid Assets: Public Health This video segment from a WPSU documentary Liquid Assets connects public health to the availability of clean and safe drinking water and elaborates on the threats our bodies face due to increasing kinds and quantities of pollutants. Accessibility features: Caption	9-12	Video
Liquid Assets: Sustainable Water Use This video from a WPSU documentary Liquid Assets shows the transformation of Las Vegas’ water infrastructure. A desert community, Las Vegas is reducing water consumption and re-using wastewater, making optimal use of limited water resources. Accessibility features: Caption	9-12	Video
Liquid Assets: Wastewater This video segment from a WPSU documentary Liquid Assets describes the progression of wastewater management from its early days to present day wastewater treatment systems. The development of Boston’s first-ever waste management system is described. Accessibility features: Caption	9-12	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