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Gorongosa's Water Cycle

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

Mutations in Cancer

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

How Tumors Grow

This animation shows how a tumor forms, recruits blood vessels, and enters metastasis.

Meiosis

This animation shows how meiosis, the form of cell division unique to egg and sperm production, can give rise to sperm that carry either an X or a Y chromosome.

Kidney Function

This video explores how the kidneys filter blood to remove wastes and excess fluid from the body, maintaining a healthy balance of water and salts in the blood.

Heart Function

This animation provides an overview of the structure and function of the human heart.