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

    To our brains, your red is my red

    A given color may spark similar brain activity across individuals, new research suggests. This could settle a long-standing debate.

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  2. Humans

    This linguist has invented over 20 languages

    Margaret Ransdell-Green draws on her expertise in linguistics and music to create new, fictional languages — and sings in them, too.

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  3. Psychology

    Connections at school could limit bullying’s harm to mental health

    Recently bullied teens with a strong sense of connectedness at school reported fewer signs of depression than those without it, a new study finds.

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  4. Health & Medicine

    Short exercise workouts can boost classroom performance

    When students spend just nine minutes doing high-intensity interval exercises, their brains can work more efficiently, new data show.

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  5. Physics

    Comb-like wings help the tiniest insects swim through ‘syrupy’ air

    When you're the size of a grain of sand, flying through air is like swimming through a syrup. Bristled wings help the tiniest insects manage this.

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  6. Plants

    Unlock pinecone secrets with this science activity

    Let’s find out how pinecones respond to different temperatures — by mimicking changes in weather from the comfort of our own kitchens!

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  7. Animals

    Explainer: What is a shark?

    These fish have skeletons made of cartilage, not bone — and aren’t nearly as scary as portrayed in the media.

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  8. Ecosystems

    Scientists Say: Transplant

    Transplant means to move something from one place to another. A transplant can involve something as small as a cell or as large as a whole population.

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  9. Health & Medicine

    Seeing sick faces revs up our immune system, new data show

    It activates parts of the brain that detect threats and boosts the activity of at least one type of immune cell.

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  10. Animals

    What dogs see on TV depends on their temperament

    Breed, age or sex didn’t seem to matter in how dogs reacted to TV, but personality did. That’s according to a survey of more than 400 dog owners.

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  11. Tech

    This squirrel-like robot has some serious hops

    Salto the jumping robot has a claw-like gripper. Like a squirrel, it can adjust its movement to help it stay balanced to stick a landing on "branches."

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  12. Tech

    Squirty gels bring food-like flavors to virtual reality

    A new device recreates complex flavors including lemonade, coffee and fish soup by delivering a mix of chemicals.

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