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This video follows scientists working in Gorongosa National Park as they try to determine the genes responsible for tusk development in elephants.

This film explores the evolutionary connection between an infectious disease, malaria, and a genetic condition, sickle cell disease.

This video presents an intriguing phenomenon: two patients who carry the same genetic variation, which is known to cause sickle cell disease, have very different outcomes.

This film describes the scientific principles and the research efforts involved in the development of a gene therapy for a congenital form of blindness, and how a young patient benefited from this medical breakthrough.

Several questions are embedded within the short film The Making of the Fittest: Natural Selection and Adaptation, which uses the rock pocket mouse as a living example of natural selection.

This film describes natural selection and adaptation in populations of rock pocket mice living in the American Southwest.

This animation shows how a mutation that allows adult humans to digest milk can be lost or spread under different circumstances.

This video shows real footage of courtship behavior of fruit flies with wing spots.

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

This animation shows how quickly an advantageous mutation can spread through a mouse population over multiple generations.

This video provides a demonstration of differences between sexual reproduction, which involves recombination through meiosis, and asexual reproduction, which does not.

This interactive, modular lab explores the tools that doctors use to examine and diagnose patients with heart conditions.