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This animated short video celebrates the early 20th-century German astronomer and atmospheric scientist Alfred Wegener, who first proposed that continents once formed a single landmass and had drifted apart.

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

This animation shows how disrupting cellular processes in the intestines can lead to colon cancer.

This animation provides an overview of some basic concepts from plate tectonics, a fundamental theory in earth science.

This video provides a demonstration of the principle of isostasy, the idea that the continental crust “floats” on the underlying mantle.

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

This video provides a demonstration of two main principles in the study of rock layers: superposition and association.

This video explores the evolution of a stickleback fish population over tens of thousands of years, based on fossil data.

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

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.

This animation shows how recombination occurs between the X and Y chromosomes, then within the Y chromosome itself.