HS-LS2-1

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

  1. Animals

    Under blanket of ice, lakes teem with life

    Life under frozen lakes is vibrant, complex and surprisingly active, new research finds. In fact, some plants and animals can only live under the ice. But with climate change, will that continue?

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  2. Genetics

    New date for U.S. arrival of the AIDS virus

    A new study shows that HIV started circulating at least a decade earlier than previously realized.

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  3. Earth

    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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  4. Animals

    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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  5. Earth

    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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  6. 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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  7. 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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  8. 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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  9. Earth

    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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  10. Animals

    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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  11. Animals

    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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  12. Animals

    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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