FILTER RESULTS

Add/remove filters to refine your search

Browse results: Life Science

RESULTS 1-100 OF 424

SHOW 20 | 50 | 100 PER PAGE

< PREV 1 2 3 4 5 NEXT >

RESOURCE	GRADE LEVEL	MEDIA TYPE
Acid Mine Drainage and Precipitates In this video, environmental scientists measure the pH of water to detect acid mine drainage from an abandoned coal mine and then demonstrate how metals present in acid drainage fall out of solution as precipitates when a basic substance is added to the water. Accessibility features: Caption	6-12	Video
Controlling Water Run-off This video shows how the environmentally friendly design of the Visitor Center at Bernheim Arboretum and Research Forest near Louisville slows down water run-off and helps to control non-point-source water pollution, conserve water, and prevent soil erosion Accessibility features: Caption	4-12	Video
Environmental Impact of Acid Mine Drainage This video shows how acid mine drainage from an abandoned coal mine has affected Wildcat Branch in Kentucky's Daniel Boone National Forest. Because the creek has a very acidic pH of 2.9, most organisms cannot survive there, and Wildcat Branch is essentially dead. Accessibility features: Caption	6-12	Video
Reusing Wastewater This video demonstrates how peat filtration beds at Bernheim Arboretum and Research Forest near Louisville, Kentucky purify and conserve wastewater and eliminate one cause of non-point-source water pollution. Accessibility features: Caption	4-12	Video
The Geology of Coal In this video, a geologist describes how coal, a sedimentary rock, was formed when organic materials piled up in swamps millions of years ago. Over time, heat and pressure transformed the buried materials into forms of coal that cause acid mine drainage when exposed to oxygen. Accessibility features: Caption	6-12	Video
High-Sulfur Coal and Acidic Water In this video, a geologist measures the pH of water after high-sulfur coal from a Kentucky coal mine has been added to it. This test demonstrates that the sulfate salts found on the coal’s surface cause the water to become much more acidic. Accessibility features: Caption	6-12	Video
Rain Gardens This video shows how a rain garden at Bernheim Arboretum and Research Forest near Louisville, Kentucky slows down the flow of water from the forest’s parking lot and helps prevent soil erosion. Accessibility features: Caption	4-12	Video
Mycoremediation This video explores the process of mycoremediation: planting fungi such as oyster mushrooms to mitigate non-point-source water pollution caused by oil, gasoline, and other toxic substances. Accessibility features: Caption	4-12	Video
Restoring Lower Rock Creek This brief video describes how Lower Rock Creek’s location between two National Wild and Scenic Rivers caused Kentucky environmentalists to choose the creek as a target for acid mine drainage remediation. Accessibility features: Caption	6-12	Video
Acid Mine Drainage Remediation In this video, an environmental technologist visits an abandoned coal mine in Kentucky to talk about how a remediation system (a series of settling ponds and treatment cells) is neutralizing the acid drainage flowing from the mine and keeping it from damaging a creek downstream. Accessibility features: Caption	6-12	Video
Applying the Scientific Method This video provides a real-life example of the scientific method: testing hypotheses about which plants will grow most successfully on a green roof in Kentucky. Accessibility features: Caption	4-12	Video
Results of Acid Mine Drainage Remediation In this video, a biologist visits Rock Creek in Pulaski County, Kentucky to show how acid mine drainage remediation has increased the stream’s pH from acidic levels to almost neutral. Although the ecosystem has not been completely restored, many species have returned to Rock Creek. Accessibility features: Caption	6-12	Video
Stream Restoration This video explores how Bernheim Arboretum and Research Forest near Louisville, Kentucky has restored a channelized or straightened stream to its original meandering path, thereby improving the stream’s water quality and creating a better habitat for wildlife. Accessibility features: Caption	4-12	Video
Aquatic Insects In this brief video, a biologist talks about the macroinvertebrates (typically aquatic insects) that form the basis of food webs in healthy Kentucky streams. Accessibility features: Caption	6-12	Video
Detached Wetlands This video depicts a detached wetland, a small pool that forms beside a shallow meandering stream when it overflows its banks. These wetlands are important breeding grounds for the invertebrates that live in and beside streams Accessibility features: Caption	4-12	Video
Adopting Sustainable Food Practices Hear about how respect for Earth can help us attain a more sustainable lifestyle in the face of climate change in this video segment adapted from United Tribes Technical College. Accessibility features: Caption	6-12	Video
Agricultural Runoff and the Gulf of Mexico Dead Zone This video segment adapted from Big River: A King Corn Companion shows how agricultural chemicals from the Midwest that travel downstream in water runoff create a vast marine "dead zone" in the Gulf of Mexico. Accessibility features: Caption	6-12	Video
Alaska Native Teens Help Researchers In this video adapted from KUAC-TV and the Geophysical Institute at the University of Alaska, Fairbanks, Alaska Native students contribute to research on how their environment is changing as a result of global warming. Accessibility features: Caption	6-12	Video
Alzheimer's Disease This video segment from the Secret of Life School Video: "Genetic Medicine: Tinkering with Our Genes" explores the potential for gene therapy to cure diseases like Alzheimer's. Accessibility features: Caption	9-12	Video
Amazon Rainforest This video segment from the Race to Save the Planet teaching module "Saving the Diversity of Life" describes the ecological value of tropical rainforests and explores some of the causes of their destruction. Accessibility features: Caption, Transcript	K-5	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
An Alaska Native Community Helps Seals This video from First Alaskans Institute spotlights the Alaska Native community of St. Paul and its hands-on commitment to care for the land and animals on which it depends. Accessibility features: Caption	3-12	Video
An Ancient Legend Teaches Climate Change Adaptation Today’s unsustainable use of natural resources is compared to the legend of the giant Uab, in this video adapted from the Secretariat of the Pacific Community. Accessibility features: Caption	3-8	Video
Ancient Farmers of the Amazon This video segment from Evolution: "Evolutionary Arms Race" tells the story of the leafcutter ant and the fungus it farms -- an example of mutually beneficial symbiosis. Accessibility features: Caption	6-12	Video
Anglerfish This video segment from NOVA: "Animal Imposters" shows the lightning-fast strike of the anglerfish. Accessibility features: Audio Description, Caption	6-8	Video
Animal Defenses In nature, survival is the name of the game. This video segment explores the world of animal defense and shows that predators don't always have the upper hand. Accessibility features: Audio Description, Caption	K-8	Video
Animal Hearing This video segment discusses the physical adaptations that give several nocturnal animals a heightened sense of hearing. Footage from NOVA: "Mystery of the Senses: Hearing." Accessibility features: Audio Description, Caption	3-8	Video
Animals Making a Living For most animals, finding food is a full-time job. This video segment explores the food-finding strategies of a variety of creatures, illustrating the idea that different animals have very different ways of getting enough to eat. Accessibility features: Caption, Transcript	K-5	Video
Animals on the Go This video segment shows a wide variety of creatures in their respective habitats, with a focus on how the animals move. Accessibility features: Caption	K-5	Video
Arctic Tundra This video segment from Wild Europe: "Wild Arctic" explores the struggle for survival in one of Earth's most extreme environments. Accessibility features: Audio Description, Caption, Transcript	3-12	Video
Are We Alone? This video segment adapted from NOVA features a variety of scientific perspectives on the age old question, "Are we alone in the universe?" Animations make vivid the improbability that we could intercept a radio wave signaling extra terrestrial intelligence. Accessibility features: Audio Description, Caption	6-12	Video
Asexual Reproducers This video segment explores the benefits and pitfalls of cloning as a means of reproduction. From Evolution: "Why Sex?" Accessibility features: Caption	6-8	Video
Atrazine Affects the Water Supply In this video segment featuring live-action animation, adapted from Big River: A King Corn Companion, see how the agricultural pesticide atrazine impacts both crops and human health. Accessibility features: Caption	6-12	Video
Backyard Birdfeeders This video from WPSU’s series Outside suggests how to feed birds in winter, a hobby that can foster awareness, care, and respect for birds. Accessibility features: Caption	3-6	Video
Backyard Turtles In this video from the WPSU’s series Outside, learn about backyard turtle habitats, their favorite foods, and why they don’t make good pets. Accessibility features: Caption	3-6	Video
Bats of the Southwest This video segment from the Nevada Department of Wildlife looks at various species of bats and how they impact the environment. Accessibility features: Caption	3-12	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
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
Becoming a Fossil This video segment describes how the Australopithecus afarensis skeleton known as Lucy could have been fossilized. Footage courtesy of NOVA: "In Search of Human Origins." Accessibility features: Audio Description, Caption, Transcript	6-12	Video
Becoming a Mosquito Join students as they observe mosquitoes in different stages of development and learn about the insect's life cycle in this video from Curious George. Accessibility features: Caption	K-2	Video
Bee Navigation This video segment from NOVA: "The Mystery of Animal Pathfinders" explores honeybee communication and navigation. Accessibility features: Audio Description, Caption	6-8	Video
Beneath the Waters of Cocos Island The nutrient-rich waters surrounding Cocos Island set the stage for astounding predator-prey interactions, as seen in this video segment from NOVA: "Island of Sharks." Accessibility features: Audio Description, Caption	6-8	Video
Bhopal, 25 Years Later This audio segment from PRI's The World Science Podcast revisits a pesticide factory in Bhopal, India, where a 1984 gas leak caused as many as 8,000 deaths. Accessibility features: Caption	9-12	Audio
Bhopal’s Unlikely Legacy This audio segment from PRI's The World Science Podcast explores how the 1984 gas leak in a pesticide factory in Bhopal, India has increased public awareness about toxic threats, and has been a catalyst for new legislation here in the United States. Accessibility features: Caption	9-12	Audio
Bighorn Sheep This video segment from Outdoor Nevada explores the adaptations that help desert bighorn sheep survive in their habitat. Accessibility features: Caption	K-12	Video
Bioengineering Body Parts In this video segment adapted from NOVA scienceNOW, scientists discuss their attempts to grow human body parts in a jar. Accessibility features: Caption	9-12	Video
Biological Invaders This video segment from Evolution: "Extinction!" shows the impact of invasive species on native ecosystems. Accessibility features: Caption	9-12	Video
Biome in a Baggie This ZOOMSci video segment shows how to create self-contained environments and explore how plants grow under different conditions. Accessibility features: Audio Description, Caption	K-8	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 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
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