HS-LS2-8

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

  1. Animals

    News Brief: Bees prefer caffeine-spiked nectar

    Bees usually alert friends to sources of especially sweet nectar. But a new study finds caffeine is every bit as appealing to them as the sugar is. And that could compromise the quality of their honey.

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  2. Animals

    Wolves beat dogs at problem-solving test

    When treats are at stake, wolves outperformed dogs at opening a closed container. The dog’s relationship with humans may explain why.

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  3. Computing

    These young scientists are passionate about tech and math

    The 2015 Broadcom MASTERS International delegates show why math and computer skills are key to the success of science-fair projects.

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  4. Animals

    4 reasons not to ignore signs of bed bugs

    Here are important reasons not to ignore signs of bed bugs. Above all, an infestation carries real risks to your health and wellbeing.

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  5. Animals

    Return of the bed bug

    Bed bugs have staged a comeback over the past 15 years. The bloodsucking parasites succeeded through a combination of evolution and luck.

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  6. Animals

    What’s for dinner? Mom.

    Female spiders of one species make the ultimate sacrifice when raising their young: The mothers feed themselves to their children.

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  7. Microbes

    News Brief: Ebola’s dead stay infectious for a week

    The Ebola virus doesn’t die with its victims — at least not right away. A corpse may host live virus for up to a week after death, a new study finds.

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  8. Health & Medicine

    Movies may tempt teens to drink

    British 15-year-olds were more likely to binge-drink or have alcohol-related problems if they watched movies with plenty of onscreen drinking.

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  9. Health & Medicine

    Chickens spread latest deadly bird flu

    A new bird flu virus threatens to spread outside of China. Experts traced the germ to markets where live chickens are sold.

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  10. Plants

    Desert plants: The ultimate survivors

    Creosote, mesquite and other desert plants rely on different adaptations to thrive, even when no rain falls for an entire year.

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  11. Animals

    Picture This: Winter brings white noses

    White-nose syndrome, caused by a fungus, has killed millions of bats in the eastern United States. Now, scientists show that the disease comes and goes, by season. The finding could help scientists more effectively target any treatments.

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  12. Microbes

    Germs help each other fend off antibiotics

    Drug-resistant bacteria can cause persistent infections. A new study finds these germs fight drugs in different ways. And they can swap various compounds, increasing their neighbors’ chances of overcoming the drugs meant to kill them.

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