1 - 12 of 16 results
Selection for Tuskless Elephants

This video follows Joyce Poole and other scientists working in Gorongosa National Park, Mozambique, who made the observation that many female elephants lack tusks.

The Biology of Skin Color

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.

The Animated Life of A. R. Wallace

This animated short video illustrates the life of Alfred Russel Wallace, who independently formulated the theory of evolution by natural selection at the same time as Charles Darwin.

The Origin of Species: The Making of a Theory

This film explores the epic voyages of Darwin and Wallace that led each to independently propose the natural origin of species and formulate the theory of evolution by natural selection.

The Origin of Species: Lizards in an Evolutionary Tree

This film explores the adaptation of anole lizards (genus Anolis) to habitats common across the islands of the Caribbean. The anoles are excellent examples of adaptive radiation, convergent evolution, and speciation through reproductive isolation.