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 taste map in the brain is a scattering of tiny flavor islands

    Some senses are highly organized in the brain. Taste is not. And that points to just how important it is.

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  2. Animals

    Touching allows octopuses to pre-taste their food

    Special sensory cells in their arms’ suckers sense chemicals. Those cells allow them to taste the difference between food and poison.

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  3. Health & Medicine

    Strongest bones come from Goldilocks recipe of exercise and rest

    Building strong bones for life depends on adolescents staying active and getting enough sleep. Sometimes a lot of sleep, like 11 hours!

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  4. Life

    Ogre-faced spiders listen closely to snatch bugs from the air

    Ogre-faced spiders can hear prey sneaking around behind them. Low frequencies can trigger a blind, backwards attack.

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  5. Plants

    Please do not touch the Australian stinging tree

    Stinging-tree leaves look soft and inviting, but one touch delivers agony. Structurally, the plant's painful chemical looks a lot like spider venom.

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  6. Animals

    The diabolical ironclad beetle is nearly unsquishable

    The diabolical ironclad beetle is an incredibly tough little creature. A peek inside its exoskeleton reveals what makes it virtually uncrushable.

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  7. Health & Medicine

    Teen athletes with even mild COVID-19 can develop heart problems

    COVID-positive student athletes, some with no symptoms, have developed heart inflammation and more. They are new reasons to limit coronavirus exposure.

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  8. Brain

    Kids use more of the brain than adults do to process language

    The brain continues to grow and mature throughout childhood. One big change occurs in which parts of the brain turn on as someone processes language.

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  9. Health & Medicine

    When physicians and veterinarians team up, all species benefit

    When doctors for people and those for animals share their expertise, they can discover new ways to take better medical care of all species.

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  10. Health & Medicine

    Let’s learn about bones

    Bones hold us up and help us fight gravity with every step. They also make blood cells, hormones and more.

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  11. Animals

    Whale blowholes don’t keep out seawater

    Whales’ blowholes aren’t as protective as scientists had thought. They not only can let in water but also pollutants.

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  12. Plants

    ‘Vampire’ parasite challenges the definition of a plant

    Langsdorffia are stripped down to their essentials. Lacking green leaves for photosynthesis, they steal energy and nutrients from other plants.

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