This multipart animation series explores the process of photosynthesis and the structures that carry it out.

This animation shows how mutations in an ion channel protein lead to the genetic disease cystic fibrosis. The animation also discusses how research on this protein has been used to develop treatments for the disease.

This animation shows how termite mounds can increase the productivity of African savanna ecosystems.

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

This animation describes how skin color is generated by skin cells as protection against ultraviolet (UV) radiation.

This animation shows how transcription factors find their binding sites in real time. It is based on data from an imaging method that can track single molecules in a living cell.

This animation zooms into a coral reef to explore the tiny animals that build reefs, the photosynthetic algae inside their cells, and the damaging process of coral bleaching.

This animation shows how a region of the brain called the cerebral cortex develops in a human fetus.

This animation shows how genes associated with autism affect the structure and function of neuronal synapses.

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

This animation shows how a single species can give rise to many different species with distinct traits, using anole lizards as an example.

This animation shows how the cancer treatment Gleevec inhibits the cancer-causing protein BCR-ABL.