HS-LS1-2

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

  1. Animals

    Superblack fish can disappear in the deep sea’s darkness

    Some fish that live in the ocean’s depths are superblack due to a special layer of light-absorbing structures in their skin.

    By
  2. Health & Medicine

    Explainer: What are Antibodies?

    Antibodies are one of the major players in the immune system’s attack against germs. Learn what they are, what they do and how they keep us healthy.

    By
  3. Brain

    Explainer: How our eyes make sense of light

    It takes a lot for images before the eyes to be 'seen.' It starts by special cells sensing the light, then signals relaying those data to the brain.

    By and
  4. Animals

    Going bright may help corals recover from bleaching

    When some corals bleach, they turn neon colors. Flashy hues may be part of a response that helps these corals recover and reunite with their algae.

    By
  5. Animals

    This tube worm’s glowing slime may help sustain its own shine

    Snot oozed by a marine tube worm can glow for up to 3 full days. The secret of how this works might lead to long-lasting lights that glow on and on.

    By
  6. Health & Medicine

    Antibodies from former COVID-19 patients could become a medicine

    The experimental treatment uses antibodies from the blood plasma of COVID-19 survivors. It may prevent disease in other people or help treat the sick.

    By
  7. Animals

    Conservation is going to the dogs

    Scientists are now training dogs to help track rare, elusive — and sometimes invasive — plants and animals.

    By
  8. Brain

    Zapping the brain may make it work right again

    Sending electrical zaps to electrodes implanted deep in the brain can help people with Parkinson’s disease, depression and even obsessive-compulsive disorder.

    By
  9. Animals

    Here’s how butterfly wings keep cool in the sun

    Butterfly wings sport structures that let living tissues release more heat than the rest of the wing.

    By
  10. Animals

    Ouch! Jellyfish snot can hurt people who never touch the animal

    A goo shed by at least one species of upside-down jellyfish contains stinging cells. They can cause pain even to creatures that never touch the jelly.

    By
  11. Health & Medicine

    Excess weight alters results of blood tests in kids and teens

    Carrying extra weight could affect many routine blood tests in kids, new data show. Knowing this might help doctors better interpret lab results.

    By
  12. Health & Medicine

    Explainer: What are allergies?

    Sometimes the body’s immune system works too well, like a smoke alarm that blares every time you cook pizza. The results can range from uncomfortable to potentially life-threatening.

    By