HS-LS1-3

Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.

More Stories in HS-LS1-3

  1. 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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  2. Animals

    Changing people’s behavior can make bear life better

    Black bears don’t always live life on the wild side. More and more, they live near people. Here’s how people and bears can get along.

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  3. Health & Medicine

    Some young adults will volunteer to get COVID-19 for science

    Researchers will soon give some healthy people the new coronavirus. Their young volunteers have agreed to get sick to speed coronavirus research.

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  4. Space

    Space travel may harm health by damaging cells’ powerhouses

    Biochemical changes after going to space suggest that harm to cells’ energy-producing structures, called mitochondria, could explain astronauts’ health issues.

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  5. 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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  6. 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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  7. Animals

    Scientists Say: Medullary bone

    Medullary bone is a layer that forms inside bird and dinosaur bones. It’s a source of the calcium in eggshells.

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  8. Health & Medicine

    Third major vaccine shows great promise against COVID-19

    This vaccine, which may be easier to get to the public, appears to be 90 percent effective at halting disease and maybe spread of the new coronavirus.

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  9. Health & Medicine

    Moderna vaccine for COVID-19 appears nearly 95 percent effective

    A second coronavirus vaccine appears super effective in preventing people from being sickened by COVID-19.

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