Ecosystems: Interactions, Energy, and Dynamics

  1. 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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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. Health & Medicine

    How this vitamin can foster pimples

    Oh no! Vitamin B12 can cause skin bacteria to secrete chemicals that cause zits.

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  11. Animals

    Biowarfare saves bats from killer fungus

    Good news for bats. Those infected with white-nose syndrome may be cured by a brief exposure to fumes from therapeutic bacteria.

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  12. Plants

    Using plants to solve environmental problems

    Problems in their communities suggested good research projects to three teens. Each wanted to tackle a different issue, from pollution to world hunger. To learn more about these issues, they turned to their local ponds, wetlands and gardens.

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