Ecosystems: Interactions, Energy, and Dynamics

  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. Environment

    Humans are ‘superpredators’

    A new study compares the hunting habits of wild animals and humans. People, it turns out, are unlike any other predator on Earth.

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  3. 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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  4. Health & Medicine

    Cool Jobs: Finding foods for the future

    What's for dinner... tomorrow? Scientists are developing new foods to meet the demands of the growing population in a changing world.

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  5. Animals

    Weed killers may go from plant to pooch

    Dogs love to roll around in the grass. But if there is weed killer around, it could end up on — and in — our furry pals.

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  6. Agriculture

    Made in the shade

    Agroforestry combines woody plants and agriculture. Growing trees alongside crops and livestock benefits wildlife, environment, climate — and farmers.

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  7. Environment

    Insecticide can change a spider’s personality

    A chemical meant to kill moths affects the behavior of some spiders. It alters the spiders’ ability to capture prey — including those moths.

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  8. Agriculture

    Organic food starts to prove its worth

    Organic food often comes with a higher price. But research is showing that food grown this way can be better for the environment — and possibly for us.

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  9. Microbes

    How ‘brain-eating’ amoebas kill

    When people infected with a “brain-eating amoeba” die, their own immune systems might be to blame.

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  10. Health & Medicine

    Five things to know about ‘brain-eating’ amoebas

    These parasites can be scary, but they rarely trigger infections. Still, knowing more about them can help you avoid behaviors that heighten risks.

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  11. Animals

    Explainer: Male-female flexibility in animals

    Some animals behave as if they were the opposite sex; others can even change their sex — and still produce offspring.

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  12. Brain

    To protect kids, get the lead out!

    Lead poisons hundreds of thousands of children. In Chicago, experts show how the toxic metal hurts test performance in school.

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