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This video follows scientists working in Bangladesh as they test fruit bat populations to determine whether they are infected with Nipah virus, a potentially deadly human pathogen.

This film explores how the genetic and anatomical legacy of a fish can be seen today in the human body.

This film explores what our hair, teeth, and hearing reveal about our evolution from ancient reptilian ancestors.

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

This video shows the reactions of first-grade students to a replica of a Tiktaalik fossil.

This film tells the story of the scientific quest to explain one of the greatest, long-standing scientific mysteries: the sudden disappearance of the dinosaurs at the end of the Cretaceous period.

This film explores how gene duplications and mutations have led to remarkable physiological adaptations in Antarctic fish.

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

This animation shows how mutations can arise when DNA is damaged.

This animation explores the genetic causes and biological effects of sickle cell disease.

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

This animation shows how mistakes made during DNA replication are repaired by the cell.