HS-LS2-8

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

  1. Health & Medicine

    Urban pollution can pose unseen risks to kids’ immunity and more

    A trio of new studies links immune changes and high blood pressure to inhaling bad air.

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  2. Plants

    Urban gardens create a buffet for bees

    City gardens provide a huge amount of nectar and pollen for pollinators, making them an essential conservation tool.

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  3. Moderna and Pfizer vaccines appear to cut coronavirus spread

    The vaccines are about 90 percent effective at blocking infection, which should cut spread of the virus. And at least one vaccine works well in teens.

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  4. Tiny spider uses silk to lift prey 50 times its own weight

    Dropping the right silk let’s a spider haul mice, lizards and other giants up off the ground.

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  5. Physics

    Butterflies use jet propulsion for quick getaways

    If you have ever tried to catch a resting butterfly, you know they are surprisingly difficult to nab. A new study helps explain why.

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  6. Animals

    More playtime and meatier meals might reduce kitty kills

    Keeping cats indoors is the best way to prevent them from killing wildlife. But small changes to diet and play can help, too.

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  7. Microbes

    Some microbial hitchhikers may weaken body’s attack on COVID-19

    New research identifies an altered mix of microbes in the body — ones commonly seen in people with poor diets — that may worsen coronavirus disease.

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  8. Animals

    Analyze This: Some dogs quickly learn new words

    Two dogs picked up new words after hearing them a few times during play, but 20 other pets didn’t fare so well at learning the names of new toys.

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  9. 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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  10. Animals

    Unique dialects help naked mole-rats tell friends from foes

    Computer analysis reveals that these social rodents communicate with speech patterns distinct to each colony.

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  11. Animals

    Newfound technique allows some tree snakes to climb wide trees

    When a tree is too wide to climb, brown tree snakes use a lasso-like trick to slowly ascend up to snacks.

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  12. Animals

    Some electric eels coordinate their attacks to zap prey

    Electric eels were thought be to lone hunters — until researchers observed more than 100 eels hunting together. Their coordinated electric attacks corralled prey.

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