What would it be like if your only goal in life was eating? See the world from a caterpillar's point of view in an interesting video. Science scholars learn about the life cycle of a butterfly, as well as the distinct functions performed...

Bring the water cycle to life through poetry. This introductory explanation rhymes from start to finish, making the water cycle process memorable and fun. Great images showing the process make this a good video to show learners in grades...

What happens when you plant large numbers of non-native trees in an area? Well, sometimes it attracts the wrong kind of attention! Meet the South American palm weevil, an insect that spends its entire life cycle destroying palm...

If you want, watch the video over and over again. The 11th installment of the Crash Course Engineering series focuses on cycles and repetition. It first reviews how heat engines work and applies the idea to heat pumps. It then explains...

Malaria is a parasite whose life cycle bounces between mosquitoes and humans. An informative video describes how malaria moves through human systems before arriving in the liver. Once in the liver, the instructor describes how the...

Sea turtles face a lot of adversity: storms, predators on land and in the sea, and eggs that don't hatch, but the biggest threat to these magnificent and ancient creatures is human activity. From poaching to pollution, from trash to...

Taricha torosa travel up to three miles in order to reproduce, an impressive feat for something only six inches long. The video explains their mating rituals, which many consider rough and forceful. With a little cannibalism after...

How does a caterpillar become a butterfly? Watch a video that details the metamorphosis of a butterfly, and discover a world of insects that also undergo metamorphosis.

You may have heard that, if you've had chicken pox, the shingles virus is already inside you. The bad news? It may not be alone! Introduce your microbiology class to some of the trickiest pathogens we know of in the 151st video in an...

Mosquitos can be more than just annoying, they may be deadly. A video presentation explains how mosquitos transmit the malaria virus to humans. The lesson highlights how the disease manifests itself in the mosquito before it bites a...

What do tulips, real estate, and stock in a pet store have in common? Find out what happens when products or services sell for much more than they are worth.

Convection currents do more than just bake a cake. A quick lesson demonstrates the convection currents of the earth and how they contribute to continental drift. An animation illustrates the movement of the currents and demonstrates how...

When an Irish giant and a Scottish giant face off in a mythical duel, it is a cunning woman who determines the outcome with her clever tricks. Introduce viewers to geomythology—myths that explain the occurrence of natural features—with...

Paul Andersen explains how viruses reproduce using the lytic cycle. He also shows how viruses can pick up new genetic material and how retroviruses (like HIV) can enter into the lytic cycle. He also describes the lysogenic cycle and how...

This resource offers a series of film clips created by scientists studying this model organism. There are movies of embryos, larvae and adults and fascinating techniques. Great to supplement advanced study of cell biology and development.

It's time to start talking about some of the terrible things you can do to your own body, like blood doping. We'll start by explaining the structure and function of your erythrocytes, and of hemoglobin, which they use to carry oxygen....

Through advanced tagging technology, learn how estuaries are important habitats for salmon during parts of their life cycle. [5:33]

Learn about oysters, including how they eat, where they live, the life cycle of an oyster, and instructions on opening them and eating them. [5:16]

Learn some secrets of the Dungeness Crab with Dr. Nora. Look at the life cycle of these creatures and learn facts about their unique blood. [3:21]

Tour a hatchery where clams, oysters, and scallops are raised, and learn about the steps of the bivalve life-cycle. Meet community members who support this ecological effort. [7:53]