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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 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 animation shows how varying concentrations of a signaling molecule activate different transcription factors to determine cell fate.

This animation shows how stem cells from early mammalian embryos can be grown and studied in a laboratory.

This animation describes the formation and fates of the three germ layers in a human embryo.

This animation shows how salamanders can replace missing limb tissues with the help of cells similar to stem cells.

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

This animation shows how tumors use the protein VEGF to recruit blood vessels.