This video describes the role of the brain in regulating body temperature and how sometimes fever is employed to fight off infection.

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 youŰ__Ű__ŒŒÇll find living there.

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.

This video segment from Outdoor Nevada looks at the Gila monster's behavior, habitat, and unique adaptive characteristics.

This video segment explores how one marine biologist used the scientific process to discover how whales hear.

This video segment, adapted from NOVA, explores reasons why Homo sapiens had an advantage over Neanderthals in the pursuit of territory and natural resources.

In this video from Outdoor Nevada, learn about the habitat, diet, and defense mechanisms of horned lizards.

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.

Students learn how the human body self-regulates to maintain a stable internal environment despite changes in the external environment.

This video segment from The Human Spark features a discussion about how human thought differs from that of chimpanzees.

Learn about the wildebeest and locusts on the move in this video segment from Nature.

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.

This video, adapted from material provided by the ECHO partners, provides a portrait of IŰ__ŒóíŠupiaq whaling as a community activity, as told through the story of one hunt.

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.

This Nature video shows the migratory patterns and habits of the Rufous hummingbird.

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.

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.

This video segment from NOVA: "The Mystery of Animal Pathfinders" explores the migratorial exploits of monarch butterflies.

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.

This video from Nature features the start of the monarch butterflyŒë_í_Œ_ northward trek.