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Mutations in Cancer

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

The Geologic Carbon Cycle

This animation explores how carbon enters the atmosphere and can be removed through a series of chemical reactions.

Greenhouse Effect

This animation provides an overview of the greenhouse effect, a process that warms the atmosphere and surface of Earth.

How Tumors Grow

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

X Inactivation

This animation shows how X chromosomes are randomly switched off in most female mammals.

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.