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  • Think Like a Scientist: Natural Selection in an Outbreak

    Think Like a Scientist: Natural Selection in an Outbreak

    Scientists at Work

    (7 min 29 sec) This video brings us to the front lines of the 2013–2015 Ebola outbreak in west Africa and explains how scientists monitored the evolution of the virus by analyzing its genome.

  • Selection for Tuskless Elephants

    Selection for Tuskless Elephants

    Scientists at Work

    (6 min 39 sec) Working in Gorongosa National Park, Mozambique, Dr. Joyce Poole and colleagues made a striking observation: many female elephants lack tusks.

  • Moth Mimicry: Using Ultrasound to Avoid Bats

    Moth Mimicry: Using Ultrasound to Avoid Bats

    Scientists at Work

    (10 min 24 sec) This video follows scientists as they uncover the ways in which moth species in Gorongosa National Park use ultrasound to avoid being eaten by bats.

  • The Origin of Species: The Beak of the Finch

    The Origin of Species: The Beak of the Finch

    Short Films

    (15 min 54 sec) Four decades of research on finch species that live only on the Galápagos Islands illuminate how species form and multiply. Also available in Spanish.

  • The Making of the Fittest: Natural Selection and Adaptation

    The Making of the Fittest: Natural Selection and Adaptation

    Short Films

    (10 min 25 sec) The rock pocket mouse is a living example of Darwin’s process of natural selection. Also available in Spanish.

  • Pocket Mouse Evolution

    Pocket Mouse Evolution

    Animations

    (1 min 5 sec) This simulation shows the spread of a favorable mutation through a population of pocket mice. Even a small selective advantage can lead to a rapid evolution of the population.

  • Pocket Mouse and Predation

    Pocket Mouse and Predation

    Animations

    (20 sec) The rock pocket mouse is found in two color variants, or morphs: light and dark. In different environments, their visibility to predators such as owls varies. The dark morph is more vulnerable on light sandy desert, and the light morph on dark lava rock.

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