Animal Coverings

It takes a thick skin to withstand the hardships that life has to offer. This collection of images shows a variety of animals, each with a slightly different type of protective covering.

Bird Beak Gallery

This collection of images of 10 different birds illustrates the diversity of bird beaks.

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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.

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Chasing Beetles, Finding Darwin

In this video from KQED's QUEST, find out how Darwin's ideas remain as central to scientific exploration as when they were first published 150 years ago.

Dolphin Reproductive Behavior

This video segment from the Science and Technology Chat series focuses on dolphin pregnancy, birth, and care of the young, and features Atlantic bottlenose dolphins living in captivity at the Mirage Resort Dolphin Habitat.

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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.

Migration of the Monarch

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

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Revisiting Albino Redwoods, Biological Mystery

In this video from KQED's QUEST, find out how albino redwoods survive and unlock some of the mysteries of how redwood trees live.

Scent of an Alewife

This video segment from NOVA: "Sea Behind the Dunes" tracks the return of spawning alewife fish from the open ocean back to the freshwater streams and ponds where they were born.

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Seahorse Basics

This diagram from the NOVA: "Kingdom of the Seahorse" Web site reveals some of the more remarkable traits of this enigmatic creature.

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Supermarket Botany

Can you eat the stem, root, or seed of a plant? In this interactive activity adapted from the Missouri Botanical Garden and the Howard Hughes Medical Institute, test your knowledge of plant parts by identifying everyday foods as plant parts.