HS-LS2-2

Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales.

  1. Animals

    Analyze This: Ropes restore a gibbon highway through a rainforest

    When endangered Hainan gibbons started making risky leaps across an area mowed down by a landslide, researchers provided them a rope bridge.

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  2. Health & Medicine

    When physicians and veterinarians team up, all species benefit

    When doctors for people and those for animals share their expertise, they can discover new ways to take better medical care of all species.

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  3. Animals

    Learning what stresses queen bees could save their hives

    Beehives often die off after the queen gets too stressed to make enough babies. New tests could identify what stressed her — and point to solutions.

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  4. Animals

    Whales get a second life as deep-sea buffets

    When a whale dies and sinks to the seafloor, it becomes a feast for hundreds of different types of creatures.

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  5. Health & Medicine

    Trio wins 2020 Nobel for discovery of hepatitis C

    It took 50 years from discovery of hepatitis C to its cure. For their pivotal work in this area, three men will take home a 2020 Nobel Prize.

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  6. A dirty and growing problem: Too few toilets

    As the famous book says, everybody poops. That’s 7.8 billion people, worldwide. For the 2.4 billion with no toilet, the process can be complicated.

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  7. Ecosystems

    Soggy coastal soils? Here’s why ecologists love them

    Coastal wetlands can protect our shores from erosion, flooding and rising sea levels.

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  8. Animals

    Quacks and toots help young honeybee queens avoid deadly duels

    It’s not just ducks that quack. Honey bees do it too. They also toot. Researchers eavesdropped on hives to find out why.

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  9. Health & Medicine

    Four summer camps show how to limit COVID-19 outbreak

    Schools might take a lesson from these overnight facilities in Maine. They kept infection rates low by testing a lot and grouping kids into ‘bubbles.’

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  10. Animals

    A single chemical may draw lonely locusts into a hungry swarm

    Swarms of locusts can destroy crops. Scientists have discovered a chemical that might make locusts come together in huge hungry swarms.

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  11. Animals

    Are coyotes moving into your neighborhood?

    How do coyotes survive in New York City, Los Angeles and Chicago? Researchers and citizen scientists are working together to find answers.

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  12. Microbes

    Some deep-seafloor microbes still alive after 100 million years!

    Some starving microbes nap while awaiting their next meal. For some living miles below the ocean surface, that nap may exceed 100 million years.

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