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This interactive module explores biomes, climate, biodiversity, and human impacts around the globe and at different times.

This animation illustrates the main stages of the water cycle in Gorongosa National Park, an ecosystem that experiences both wet and dry seasons.

A number of questions are embedded within the short film The Making of the Fittest: The Birth and Death of Genes, which illustrates how gene duplications and mutations have led to remarkable physiological adaptations in Antarctic fish.

This video provides an overview of the types of genes that, when mutated, can lead to the development of cancer.

This film explores how gene duplications and mutations have led to remarkable physiological adaptations in Antarctic fish.

This tutorial describes three examples of recent human adaptations: lactose tolerance, sickle cell disease, and bitter taste perception.

This animation shows how a mutation that allows adult humans to digest milk can be lost or spread under different circumstances.

This animation shows how mutations can arise when DNA is damaged.

This animation explores the genetic causes and biological effects of sickle cell disease.

This animation shows how a genetically modified virus can be used to destroy cancer cells.

This animation shows how mistakes made during DNA replication are repaired by the cell.