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Science (X) - Elementary (X) - Middle (X) - Science Trek (X) - Life Science (X) - Streaming (X)

Wolf Research | Science Trek

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This video segment from IdahoPTV's Science Trek shows the process a research biologist goes through to trap, measure and put a radio collar on wolves.

Digestive System | Science Trek

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Your body needs food for energy, vitamins and minerals. But food needs to be broken down into a substance your body can use. That’s the job of your digestive system. Find out more on this episode of Science Trek.  Host Joan Cartan-Hansen and her guests, gastroenterologists Drs. Matt Sericati and Brian Story answer students’ questions.

The Heart: Blood Basics | Science Trek

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The heart’s job is to pump blood, so it’s important to know more about blood. Blood does more than just carry oxygen to your cells. The body’s circulatory system keeps you warm, carries away waste and helps you stay healthy. There's more to blood than you think.

Five Senses | Science Trek

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How do your five senses all work? What do they have in common? What happens when something goes wrong? In this Science Trek, host Joan Cartan-Hansen and her guests will answer students’ questions about our five senses.

Sleep | Science Trek

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We spend about a third of our lives sleeping, but what do scientists really know about sleep? Host Joan Cartan-Hansen and her guests, Dr. Janat O’Donnell and Nancy Nadolski, a Family Nurse Practitioner specializing in sleep issues, will answer students’ questions about sleep.

Teeth | Science Trek

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Take a trip to the dentist in this video segment from IdahoPTV's Science Trek. Discover why different animals have different kinds of teeth and what kinds of teeth humans have. You'll be able to answer the questions: What are the parts of a tooth? What is a cavity and how can you keep your teeth and gums healthy.

Endangered Species | Science Trek

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One in four mammals, one in eight  birds, one third of all amphibians and 70% of the world’s known plants are in danger of  extinction. Find out more about endangered species and visit some of the endangered  animals at ZooBoise.

Body Waste that Protects You | Science Trek

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This video segment from IdahoPTV's Science Trek explores the different kinds of body waste that protect the body: earwax, mucus, tears, sweat, and vomit.

Food Chain | Science Trek

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This video segment from IdahoPTV's Science Trek illustrates how energy from the sun moves through the food chain. Learn about the food chain, and what are producers, consumers, and scavengers as well as where humans fit into the mix.

Touch | Science Trek

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This short video segment from IdahoPTV's Science Trek describes the role of skin in our sense of touch. There are at least 7 different sensors in the skin that detect pain, temperature, light and hard pressure, vibration, and movement. The sensors send the signals along nerves to the brain.

Urban Wildlife | Science Trek

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This video segment from IdahoPTV's Science Trek discusses the benefits and problems of wildlife living in a city. It explains why this occurs and how to coexist with wildlife in the same habitat.

The Brain | Science Trek

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This video segment from IdahoPTV's Science Trek examines the anatomy and function of the different parts of the brain: the cerebrum, cerebellum, hemispheres, limbic system, neurons, spinal cord, brain stem and cortex. It emphasizes that the 3 pound brain grows into adulthood so it is important to protect it.

Oceans | Science Trek

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Humans have only explored 5% of the Earth’s oceans. Find out what’s under the surface.

The Earth is covered with one giant body of water. We’ve divided it into 5 oceans. On this Science Trek: host Joan Cartan-Hansen and her guest scientists will answer students’ questions about the oceans and the creatures and plants that call the oceans their home. 

Zoology | Science Trek

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Zoologists study animals of all shapes and sizes.  Zoologists help us understand how animals live and interact with the world.  On this Science Trek, host Joan Cartan-Hansen and her guests, Steve Burns, director of Zoo Boise and Holly Holman, Zoo Boise’s veterinarian answer students’ questions. Viewers will also visit Zoo Boise and learn about its very special conservation program.

Botany: Idaho Botanical Garden Tour | Science Trek

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Take a tour of parts of the Idaho Botanical Garden to learn more about the plants around us. The garden is a living museum, fostering a love of nature and an understanding. Find out more about the English garden, carnivorous plants, and some interesting ways to grow food.

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