HS-LS1-2

Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.

  1. Life

    In blazing heat, some plants open leaf pores — and risk death

    When heat waves and droughts collide, water is precious. Some thirsty plants try to cool off by opening tiny pores — only to lose water even faster.

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  2. Health & Medicine

    Let’s learn about snot

    For humans, snot plays a key role in fighting off diseases. Other animals have found different uses for the slimy stuff.

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  3. Microbes

    Genes point to how some bacteria can gobble up electricity

    A new study shows how some microbes absorb and release electrons — a trait that may point to new fuels or ways to store energy.

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  4. Ecosystems

    Secret forest fungi partner with plants — and help the climate

    Forest fungi are far more than mere mushrooms. They explore. They move nutrients and messages between plants. They can even help fight climate change.

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  5. Plants

    Let’s learn about meat-eating plants

    Carnivorous plants use a variety of strategies to lure in and capture their prey, from sticky traps to jawlike leaves.

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  6. Animals

    A spider’s feet hold a hairy, sticky secret

    Their widespread stickiness traces to the shape of hairs on its feet, scientists now find.

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  7. Tech

    A sense of touch could upgrade virtual reality, prosthetics and more

    Scientists and engineers are trying to add touch to online shopping, virtual doctor appointments and artificial limbs.

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  8. Plants

    Well-known wildflower turns out to be a secret meat-eater

    Look closely at Triantha occidentalis, and you’ll see gluey hairs — and a trail of insect corpses on its stem.

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  9. Health & Medicine

    A 2021 Nobel goes for discovering how our body reads touch sensations

    David Julius and Ardem Patapoutian found nerve-cell sensors for temperature, pain and pressure.

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  10. Animals

    Let’s learn about elephants

    Check out five wild facts you may not know about a familiar animal: the elephant.

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  11. Health & Medicine

    Scientists Say: Tonsils

    The tonsils are pads of tissue in the throat that are part of the body’s immune system.

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  12. Health & Medicine

    Cannabis may alter a teen’s developing brain

    Marijuana use between ages 14 and 19 was linked to faster thinning of brain regions important in decision-making.

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