Floral Arrangements

Explore a few of the ways plants pollinate each other in this video segment from Sexual Encounters of a Floral Kind.

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Food Is Fuel

This video excerpt from NOVA scienceNOW examines the energy and nutrient content of a cupcake and a rat.

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Gallery of Cells

While all cells have a great deal in common, there is no end to the variation among them. These images provide a sense of the wondrous diversity found in the world of cells.

Gallery of Visual Illusions

Are your eyes playing tricks on you? Discover more about eyesight and the brain as you test your eyes with these visual illusions adapted from the University of Washington's Neuroscience for Kids Web site.

Gene Control

The development of creatures that appear to have nothing in common is directed by a surprisingly small number of genes. In this video segment, learn about the power of master control genes. Footage from The Secret of Life: "Birth, Sex & Death."

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Germinator

This ZOOMSci video segment teaches you how to germinate seeds in a plastic bag and helps you understand some of the factors that influence the germination process.

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Getting Fit at the Gym

In this video adapted from the In the Mix, watch the kinds of exercise students do to keep in shape.

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Growing Bacterial Cultures

This animation produced by WGBH and Digizyme, Inc. demonstrates the techniques researchers use to isolate transformed bacteria and expand their population in order to obtain large quantities of a protein of interest.

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Growing Plants in Space

Learn about the challenges and benefits of growing plants in space from plant biologist Dr. Ray Wheeler in this video from NASA.

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The Health Benefits of Exercise

In this video adapted from Living with MyType2, a teen with diabetes works out with a coach and learns some of the health benefits of exercise.

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Hearing

This video segment from IdahoPTV's D4K describes the parts of the ear and the path a sound wave makes to your brain. It points out the role of the ear in maintaining balance and why and how to protect your ears.

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The Science Behind Appetite

This video segment, adapted from NOVA, tells the story of a ballerina battling anorexia. It explains how serotonin regulates appetite, and presents some of the health risks that accompany the eating disorder.

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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.

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How Do Cells Make Proteins?

In this interactive activity from the Exploratorium, explore the steps of protein synthesis in which the cells use genes to make proteins for critical body functions.

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.

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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.

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Life Cycle of a Seed Plant

In this interactive activity adapted from the University of Alberta, learn about each step in the life cycle of a seed plant.

Life of a Tree

In this interactive activity adapted from the National Arbor Day Foundation, take a sixty-two-year journey observing the inner layers, rings, and environmental factors that affect a tree's growth and life cycle.

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.

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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.

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