HS-LS2-2

Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales.

  1. Health & Medicine

    Scratching an itch has both good effects and bad

    Mice that scratch itchy ears trigger more redness and swelling — but also may combat harmful bacteria.

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  2. Animals

    A changing Arctic current seems to be impacting bowhead whales

    A teen researcher investigated bowhead whales and found their migrations may be responding to a changing sea current.

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  3. Animals

    Meet some of the longest-lived animals

    Think a 100-year-old person is old? Not compared to the world’s longest-lived animals — some of which have lifespans of thousands of years.

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  4. Ecosystems

    Analyze This: In movies, wetlands often get a bad rap

    Swamps in films are often linked to danger, death and strange things. But movies also highlight wetlands’ biodiversity and resources.

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  5. Animals

    Wayward baby puffins get help from a community-led Puffling Patrol

    Fitted with ID tags or tracking devices, birds from one Iceland colony give scientists an eye into puffins’ largely unknown lives at sea.

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  6. Animals

    This spider traps flashy fireflies as bait to catch related prey

    When stuck in an orb weaver spider’s web, male fireflies start to blink more like female fireflies — luring in more males.

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  7. Animals

    Werewolves could learn from other critters when to hunt

    Werewolves aren’t the only creatures that undergo transformation under the full moon. But could weak werewolves be at risk of becoming prey?

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  8. Animals

    Let’s learn about animal cannibals

    The animal kingdom is full of creatures that eat their parents, their babies, their siblings or their mates.

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  9. Animals

    Magic helped this researcher trick birds for research 

    At the National University of Singapore, Elias Garcia-Pelegrin looks at how magic can help us understand animal intelligence.

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  10. Animals

    Balmy ‘saunas’ help frogs fend off a deadly fungus 

    Hanging out in small sun-warmed hideaways could help some frogs resist deadly chytrid fungus, a new study finds.

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  11. Planets

    The desert planet in ‘Dune’ is pretty realistic, scientists say

     Humans could live on the fictional planet Arrakis from Dune. But thankfully giant sandworms probably could not.

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  12. Animals

    Surprise! These animals can help fight climate change

    Some animals help fight climate change by boosting the amount of carbon dioxide that plants, algae and bacteria absorb from the atmosphere.

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