HS-LS2-8

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

  1. 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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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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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  8. Food can make an appetizing science fair project

    Many students think they need a laboratory or special equipment for a winning research project. But finalists at the Broadcom MASTERS competition showed food-based research may require little more than your home kitchen

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  9. Animals

    Fish just wanna have fun

    Although biologists have observed fish playing before, scientists have now recorded hours of video showing a new type of antic in fish.

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  10. Animals

    Germs explain some animal behaviors

    The bacteria that people and other animals host in and on their bodies are invisible to the eye. Yet they can play a very visible role in behavior. It’s something scientists are just coming to appreciate.

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  11. Animals

    How termites ‘hear‘ about trouble

    When danger comes too close, termites bang their heads against the walls of their homes. This action sends out a warning vibration that others ‘hear’ with their legs.

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  12. Animals

    Octopus sets egg-nurturing record

    Animals will do extraordinary things to help their babies survive. Consider ‘Octomom:’ She sat on one clutch of eggs for nearly 4.5 years.

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