HS-LS2-8

Evaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.

  1. Ecosystems

    America’s duck lands: These ‘potholes’ are under threat

    North America’s prairies are in trouble. Scientists race against the clock for clues about how to save the plants — and animals — that call it home.

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  2. Science & Society

    Will we know alien life when we see it?

    The hunt is on for extraterrestrials. But recognizing them may require some wiggle room in what we define as being alive.

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  3. Animals

    Cool Jobs: Abuzz for bees

    These scientists are keeping bees healthy, making medicines for people from honey and constructing bee-inspired robots.

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  4. Science & Society

    Shrimp on treadmills? Some science only sounds silly

    Research that may seem silly, at first glance, often has a rewarding aim. Here are some examples.

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  5. Health & Medicine

    Violence spreads like a virus

    New research shows that the friends of violent teens are much more likely to become violent themselves.

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  6. Agriculture

    World’s tallest corn towers nearly 14 meters

    Short nights and a genetic tweak helped novel corn reach record heights.

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  7. Animals

    Food-like smell on plastic may lure seabirds to eat it

    When plastic smells like supper, seabirds and other animals can be fooled into thinking it is food.

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  8. Animals

    Animals can do ‘almost math’

    Humans aren’t the only animals with a number sense. Scientists are trying to figure out where and when it evolved.

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  9. Brain

    What makes a pretty face?

    Beautiful faces are symmetrical and average. Do we prefer them because this makes them easier for our brains to process?

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  10. Animals

    Spidey sense: They can hear you!

    Surprise! At least some spiders can hear us. Even without eardrums, jumping spiders can still detect airborne sounds from across the room.

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  11. Animals

    Creative ways to help coral reefs recover

    Coral reefs are under siege from threats ranging from climate change to explosives. But scientists are developing ways to rebuild reefs before they disappear.

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  12. Brain

    Pain is contagious — at least in mice

    Pain can move from one mouse to another. The trigger may be smell.

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