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This interactive module introduces the anatomy of the immune system and walks through the timeline of a typical immune response.

The added information provided at pause points within the animation Coral Bleaching allows for a richer exploration of coral reefs, symbiosis, and other topics in biology.

This short video explores how the symbiotic relationship between certain plants and fungi allows these organisms to survive in very hot temperatures.

This short video explores the secrets behind termites’ power to digest an abundant source of food: wood.

This interactive module explores the phases, checkpoints, and protein regulators of the cell cycle. The module also shows how mutations in genes that encode cell cycle regulators can lead to the development of cancer.

This animation zooms into a coral reef to explore the tiny animals that build reefs, the photosynthetic algae inside their cells, and the damaging process of coral bleaching.

This animated short video celebrates 17th-century citizen-scientist Antonie van Leeuwenhoek, whose discoveries of microbes changed our view of the biological world.

This animation shows how the cancer treatment Gleevec inhibits the cancer-causing protein BCR-ABL.

This animation shows how the malaria parasite develops inside a human and eventually causes disease.

This animation shows how the malaria parasite reproduces and matures inside a mosquito.

This video explores a microarray technology for identifying pathogens that infect honey bees. This research may help identify possible causes for colony collapse disorder.

This tutorial describes the symbiosis between the Hawaiian bobtail squid and bioluminescent bacteria.