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

    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.

    By
  2. Health & Medicine

    Explainer: What is puberty?

    Puberty isn’t just a time for zits, breasts and deeper voices. It also spurs brain development that helps teens handle emotions and deal with stress.

    By
  3. Brain

    You don’t see as much color as you think

    It might seem like we live in a world full of color. But when scientists flip it into black and white, most people never notice the switch.

    By
  4. 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
  5. 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
  6. 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
  7. Oceans

    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
  8. Chemistry

    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
  9. 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
  10. Animals

    Conservation is going to the dogs

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

    By
  11. 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
  12. Life

    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