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Showing 1-20 of 228 Resources
  • Why Two Heads?

    Why Two Heads?

    Phenomenal Images

    Students explore images of planarians regenerating body parts as phenomena to explore cell division and differentiation.

  • Developing an Explanation for Tuskless Elephants

    Developing an Explanation for Tuskless Elephants

    Lessons

    In this activity, students use scientific evidence and reasoning to construct an explanation of and develop an argument for tusklessness in elephant populations.

  • Mate Choice in Spiders

    Mate Choice in Spiders

    Data Points

    Scientists investigated how males choose their mates in a species of sexually cannibalistic spiders.

  • Analyzing Data on Tuskless Elephants

    Analyzing Data on Tuskless Elephants

    Lessons

    In this activity, students analyze data to investigate tusklessness in elephant populations.

  • The Wolves of Isle Royale

    The Wolves of Isle Royale

    Phenomenal Images

    Students explore photos of wolves hunting a moose on Isle Royale as phenomena to explore the effects of predation on population dynamics.

  • Understanding Global Change

    Understanding Global Change

    Click & Learn

    This interactive tool allows students and educators to build models that explain how the Earth system works and how it is affected by human activities and nonhuman phenomena.

  • Cougars and Trees in a Trophic Cascade

    Cougars and Trees in a Trophic Cascade

    Data Points

    In Zion National Park, scientists studied the effects of tourism on cougars and cottonwood trees.

  • Cancer Cell Invasion

    Cancer Cell Invasion

    Phenomenal Images

    Students explore a photo of tissues and cells as a phenomenon to explore the invasion of cancer cells into muscle tissue.

  • Great Transitions Interactive: Human Origins

    Great Transitions Interactive: Human Origins

    Click & Learn

    Examine fossil skeletons and footprints of early humans and compare them to skeletons of modern humans and chimpanzees to discover how different traits have evolved over time.

  • Sex Verification Testing of Athletes

    Sex Verification Testing of Athletes

    Click & Learn

    This interactive explores the biology of sex determination and development in humans, set against the backdrop of the different sex testing policies implemented throughout sports history.

  • Exploring Biomass Pyramids

    Exploring Biomass Pyramids

    Click & Learn

    Explore biomass and energy pyramids in a virtual river based on authentic data

  • Serengeti Wildebeest Population Regulation

    Serengeti Wildebeest Population Regulation

    Data Points

    In Serengeti National Park, Tanzania, scientists investigated how the eradication of rinderpest disease led to the wildebeest population boom. Worksheets also available in Spanish.

  • Salt Stress Impacts Photosynthesis in Algae

    Salt Stress Impacts Photosynthesis in Algae

    Data Points

    Scientists investigated how salt affects the photosynthetic electron transport chain in freshwater green alga.

  • Winogradsky Column: Microbial Ecology in a Bottle

    Winogradsky Column: Microbial Ecology in a Bottle

    Click & Learn

    Explore this virtual Winogradsky column to learn about the diversity of microbes, microbial metabolic strategies, and geochemical gradients found in sediments.

  • Age Structure of Ebola Outbreaks

    Age Structure of Ebola Outbreaks

    Data Points

    Scientists analyzed demographics, including sex and age, of the spread of the Ebola Virus Disease during seven outbreaks in the Democratic Republic of Congo.

  • Mapping the Darién Gap

    Mapping the Darién Gap

    Scientists at Work

    (10 min 35 sec) Indigenous communities from the tropical rainforest of Darién, Panama use drones to map their land to protect it from outside threats and to make sustainable land use plans. Also available in Spanish.

  • Developing an Explanation for Mouse Fur Color

    Developing an Explanation for Mouse Fur Color

    Lessons

    Students collect and analyze evidence for each of the major conditions for evolution by natural selection to develop an explanation for how populations change over time. Also available in Spanish.

  • Cystic Fibrosis Mechanism and Treatment

    Cystic Fibrosis Mechanism and Treatment

    Animations

    (2 min 31 sec) Mutations in the CFTR gene, which encodes a transmembrane ion channel, cause mucus buildup in the airways of patients with cystic fibrosis.

  • Film Guide for Nature’s Cutest Symbiosis: The Bobtail Squid

    Film Guide for Nature’s Cutest Symbiosis: The Bobtail Squid

    Film Guides

    The following classroom-ready resources complement the film Nature’s Cutest Symbiosis: The Bobtail Squid. It tells the story of the how the bobtail squid evolved to be able to avoid predators with the help of microbes.

  • CRISPR-Cas 9 Mechanism & Applications

    CRISPR-Cas 9 Mechanism & Applications

    Click & Learn

    Explore this dynamic interactive to learn the basic principles of how this revolutionary tool works and the many ways in which scientists are using it in their research.

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