Classroom Resources

This video describes how scientists silence different genes in regenerating planaria to study the process of regeneration at the molecular level.

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

This film explores the hypothesis that different tones of skin color in humans arose as adaptations to the intensity of ultraviolet radiation in different parts of the world.

This animated short video celebrates 17th-century citizen-scientist Antonie van Leeuwenhoek, whose discoveries of microbes changed our view of the biological world.

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

This animation shows how a tumor forms, recruits blood vessels, and enters metastasis.