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  • Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades

    Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades

    Short Film

    (19 min 29 sec) Keystone species and trophic cascades are fundamental concepts in ecology. This short film tells the story of how these concepts were first established through the pioneering experiments of two young researchers: Robert Paine and James Estes.

  • The Biology of Skin Color

    The Biology of Skin Color

    Short Film

    (18 min 58 sec) Penn State University anthropologist Dr. Nina Jablonski walks us through the evidence that the different shades of skin color among human populations arose as adaptations to the intensity of ultraviolet radiation in different parts of the world. Also available in Spanish.

  • Popped Secret: The Mysterious Origin of Corn

    Popped Secret: The Mysterious Origin of Corn

    Short Film

    (17 min 51 sec) Where did corn come from? Genetic and archeological data point to what may seem like an unlikely ancestor: a wild Mexican grass called teosinte. Also available in Spanish.

  • Great Transitions: The Origin of Birds

    Great Transitions: The Origin of Birds

    Short Film

    (18 min 59 sec) In the second film of the Great Transitions trilogy, paleontologist Julia Clarke takes us on a journey to uncover the evidence that birds descended from dinosaurs. Also available in Spanish.

  • Great Transitions: The Origin of Humans

    Great Transitions: The Origin of Humans

    Short Film

    (19 min 44 sec) Which traits distinguish humans from other primates? When and where did these traits evolve? Analysis of the major fossil finds from Africa, dating back to 4.4 million years ago, provides answers to these questions and reveals the history of our evolutionary origins. Also available in Spanish.

  • The Guide: A Biologist in Gorongosa

    The Guide: A Biologist in Gorongosa

    Short Film

    (34 min 22 sec) Set against the restoration of war-torn Gorongosa National Park in Mozambique, The Guide tells the story of a young man from the local community who discovers a passion for science after meeting world-renowned biologist E.O. Wilson.  Also available in Spanish.

  • Great Transitions: The Origin of Tetrapods

    Great Transitions: The Origin of Tetrapods

    Short Film

    (17 min 11 sec) One of the most exciting discoveries in the long history of fossil exploration is Tiktaalik, a creature with a mix of features common to fish and four-legged animals, or tetrapods.

  • The Double Helix

    The Double Helix

    Short Film

    (16 min 53 sec) The Double Helix is the story of the scientists and evidence involved in one of the most important scientific quests of the 20th century: the discovery of the structure of DNA. Also available in Spanish.

  • The Origin of Species: Lizards in an Evolutionary Tree

    The Origin of Species: Lizards in an Evolutionary Tree

    Short Film

    (17 min 45 sec) In the Caribbean islands, adaptation to several common habitats has led to a large adaptive radiation with interesting examples of convergent evolution. Also available in Spanish.

  • The Origin of Species: The Beak of the Finch

    The Origin of Species: The Beak of the Finch

    Short Film

    (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 Origin of Species: The Making of a Theory

    The Origin of Species: The Making of a Theory

    Short Film

    (30 min 51 sec) The epic voyages of Darwin and Wallace led each to independently discover the natural origin of species and to formulate the theory of evolution by natural selection. Also available in Spanish.

  • The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture

    The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture

    Short Film

    (14 min 52 sec) Follow human geneticist Spencer Wells, Director of the Genographic Project of the National Geographic Society, as he tracks down the genetic changes associated with the ability to digest lactose as adults. Also available in Spanish.

  • The Making of the Fittest: Evolving Switches, Evolving Bodies

    The Making of the Fittest: Evolving Switches, Evolving Bodies

    Short Film

    (15 min 27 sec) After the end of the last ice age 10,000 years ago, populations of marine stickleback fish became stranded in freshwater lakes dotted throughout the Northern Hemisphere in places like Alaska and British Columbia. These fish have adapted to a freshwater environment drastically different than the ocean.

  • The Day the Mesozoic Died

    The Day the Mesozoic Died

    Short Film

    (33 min 43 sec) The disappearance of the dinosaurs at the end of the Cretaceous period posed one of the greatest, long-standing scientific mysteries. This three-act film tells the story of the extraordinary detective work that solved it. Also available in Spanish.

  • The Making of the Fittest: Natural Selection in Humans

    The Making of the Fittest: Natural Selection in Humans

    Short Film

    (14 min 3 sec) In some parts of the world, there is an intimate connection between the infectious parasitic disease malaria and the genetic disease sickle cell anemia. Also available in Spanish

  • The Making of the Fittest: The Birth and Death of Genes

    The Making of the Fittest: The Birth and Death of Genes

    Short Film

    (13 min 10 sec) Scientists have pieced together the evolutionary history of the Antarctic icefish. The icefish makes an excellent case study for genetic evolution as both the gain and loss of genes have led to key adaptations.

  • The Making of the Fittest: Natural Selection and Adaptation

    The Making of the Fittest: Natural Selection and Adaptation

    Short Film

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

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