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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 short video explores how a baby’s microbiome is established during birth.

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

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

This film explores the genetics and evolution of lactase persistence in humans.

This animation shows how human infants can digest milk using the enzyme lactase.

This video shows real footage of a cytotoxic T cell killing a cell infected by a pathogen.

This animation shows how HIV infects a cell and replicates itself using reverse transcriptase.

This animation shows how a cell infected by a virus signals cytotoxic T cells to destroy itself.

This animation shows how the PPAR-gamma receptor can activate fat storage and changes in hormone levels.

This animation shows how a genetically modified virus can be used to destroy cancer cells.

This animation shows how proteins in the cell are tagged for disposal by ubiquitin and then degraded by the proteasome.