HS-LS2-1

Use mathematical and/or computational representations to support explanations of factors that affect carrying capacity of ecosystems at different scales.

  1. Oceans

    Beaches can be a germy playground

    Infectious microbes can flourish on sandy beaches. Scientists are now exploring how to find and monitor these hotspots for pollution that can make vacationers sick.

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  2. Oceans

    Creative ways to help coral reefs recover

    Coral reefs are under siege from threats ranging from climate change to explosives. But scientists are developing ways to rebuild reefs before they disappear.

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  3. Tech

    Water sensor quickly detects algal poison

    A new sensor can detect poisons from harmful algae within minutes so that drinking-water plants can start timely treatments.

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  4. Animals

    Tasmanian devils begin to resist infectious cancer

    A deadly contagious cancer is spreading among Tasmanian devils. But the animals are evolving resistance, a new study finds.

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  5. Animals

    Giant slugs snack on baby birds

    When they accidentally run into bird nests sitting on the ground, some slugs help themselves to a free, easy meal of bird chicks.

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  6. A Day in the Life: Arctic ecologist

    Ever wonder what a scientist in the Arctic does all day? Mary Kate Swenarton scrubs rocks, catches fish and measures stream flow, depth, temperature and more.

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  7. Oceans

    Seafloor hosts surprising number of deep-sea vents

    A new sensor detects changes in seawater chemistry and finds far more ecosystem-supporting seafloor vents than scientists had believed were out there.

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  8. Agriculture

    Profile: A human touch for animals

    Temple Grandin uses her own autism to understand how animals think. The animal scientist is famous for fostering the humane treatment of livestock.

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  9. Genetics

    Taking attendance with eDNA

    Environmental DNA, or eDNA, tells biologists what species are in an area — even when they’re out of sight.

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  10. Environment

    Wildlife forensics turns to eDNA

    Environmental DNA, or eDNA, tells biologists what species have been around — even when they’re out of sight or have temporarily moved on.

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  11. Animals

    News Brief: Bees prefer caffeine-spiked nectar

    Bees usually alert friends to sources of especially sweet nectar. But a new study finds caffeine is every bit as appealing to them as the sugar is. And that could compromise the quality of their honey.

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  12. Environment

    Humans are ‘superpredators’

    A new study compares the hunting habits of wild animals and humans. People, it turns out, are unlike any other predator on Earth.

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