HS-LS1-2

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

  1. Brain

    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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  2. 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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  3. 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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  4. 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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  5. Brain

    Scientists Say: Haptic

    Haptic is an adjective used to describe things related to our sense of touch.

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  6. Animals

    Here’s how sea otters stay warm without blubber or a large body

    For the smallest mammal in the ocean, staying warm is tough. Now, scientists have figured out how the animals’ cells rise to the challenge.

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  7. Animals

    Abdominal fuzz makes bee bodies super slippery

    Scientists find that tiny hairs on a honeybee’s abdomen reduce wear and tear as a bee’s outer skeletal parts rub against each other all day long.

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  8. Animals

    Uncovering secrets of the glasswing butterfly’s see-through wings

    The tricks of its transparency include sparse, spindly scales and a waxy coated membrane.

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  9. Animals

    A bubble of air lets some lizards breathe underwater

    Anolis lizards leap into streams to escape danger. Now researchers have figured out how they can stay underwater for up to a quarter of an hour.

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  10. Animals

    Most species of beetles pee differently than other insects

    Scientists uncover their unique system for balancing ions and water. The findings may hint at why beetles are the most diverse animals on Earth.

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  11. Chemistry

    Cool Jobs: Saliva offers a spitting image of our health

    Scientists are using this secretion to study our body’s functions, to test for disease and even to diagnose injury.

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  12. Brain

    Explainer: What is a neuron?

    From the moment you are born, cells called neurons sense information, process it and then pass it on. Neurons allow you to do everything that you do.

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