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  • How Lizards Find Their Way Home

    How Lizards Find Their Way Home

    Scientists at Work

    (8 min 33 sec) When Dr. Manuel Leal removed lizards from an area in the forest, he noticed an interesting phenomenon: all the lizards seemed to be back the next day. Watch as he sets up an experiment to study how these lizards navigate home. Also available in Spanish.

  • Studying Elephant Communication

    Studying Elephant Communication

    Scientists at Work

    (6 min 43 sec) Elephants can communicate over long distances using low-frequency sounds that travel both in the air and through the ground. Scientists are studying whether elephants can “hear” and interpret these ground vibrations.

  • Bat Echolocation

    Bat Echolocation

    Data Point

    In this study, researchers tested whether bats change their behavior while hunting based on feedback from echolocation.

  • WildCam Lab

    WildCam Lab

    Click & Learn

    The WildCam Lab is a part of WildCam Gorongosa, an online citizen science platform where users identify animals in trail camera photos. Using the WildCam Lab, students can investigate ecological questions and test hypotheses by exploring trail camera data using an interactive map. 

  • WildCam Gorongosa

    WildCam Gorongosa

    Click & Learn

    Researchers in Gorongosa National Park use remote trail cameras to study the park’s wildlife. You can contribute to this important research through WildCam Gorongosa, an online citizen science platform.

  • Schooling Behavior of Stickleback Fish from Different Habitats

    Schooling Behavior of Stickleback Fish from Different Habitats

    Data Point

    A team of scientists studied the schooling behavior of threespine stickleback fish by experimentally testing how individual fish responded to an artificial fish school model.

  • School's Back!

    School's Back!

    Image of the Week

    Golden shiner fish (Notemigonus crysoleucas) stay in school for the shade.

  • Following Tracks In The Sky

    Following Tracks In The Sky

    Image of the Week

    The flight patterns of a flock of black vultures are revealed by a novel digital video technique.

  • Beaks As Tools: Selective Advantage in Changing Environments

    Beaks As Tools: Selective Advantage in Changing Environments

    Activity

    This classroom experiment supports the film The Origin of Species: The Beak of the Finch. Students collect and analyze data to learn why even slight variations in beak size can make the difference between life and death.

  • Using DNA to Explore Lizard Phylogeny

    Using DNA to Explore Lizard Phylogeny

    Activity

    This activity supports the film The Origin of Species: Lizards in an Evolutionary Tree. Students are guided to sort the lizard species by appearance, then generate a phylogenetic tree using the lizards’ DNA sequences to evaluate whether species that appear similar are closely related to each other.

  • Classroom Activities: Factors That Affect the Mosquito Life Cycle

    Classroom Activities: Factors That Affect the Mosquito Life Cycle

    Activity

    In this activity, students rear mosquitoes in chambers and test variables that might affect the life cycle of the mosquito.

  • Classroom Activities: The Mosquito Life Cycle

    Classroom Activities: The Mosquito Life Cycle

    Activity

    To accompany the lecture series Viral Outbreak: The Science of Emerging Disease.

  • Visualizing learning

    Visualizing learning

    Clip

    (5 min 39 sec) Dr. Harshad Vishwasrao guides you through a collection of images showing neuronal growth and synaptic formation representative of anatomical changes that occur during learning.

  • Measuring Circadian Activity in Drosophila

    Measuring Circadian Activity in Drosophila

    Animation

    (2 min 3 sec) This animation series shows four experiments that compare the activity patterns of a wild-type fly keeping a normal schedule with those of a mutant fly apparently following a 19-hour internal clock.

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