HS-LS2-7

Design, evaluate, and refine a solution for reducing the impacts of human activities on the environment and biodiversity.

  1. Environment

    Ocean of the future may make shrimp small and colorful

    Carbon dioxide released into the air can end up in the ocean, making it more acidic. A teen showed that this acidification could shrink shrimp and make them more colorful.

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  2. Animals

    Spidey sense: They can hear you!

    Surprise! At least some spiders can hear us. Even without eardrums, jumping spiders can still detect airborne sounds from across the room.

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  3. Animals

    Creative ways to help coral reefs recover

    Coral reefs are under siege from threats ranging from climate change to explosives. But scientists are developing ways to rebuild reefs before they disappear.

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  4. Animals

    Cool Jobs: Linking animal health to human health

    Scientists who watch out for diseases in wild animals also can play a role in keeping people from getting sick.

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  5. Animals

    Teens use science to worm through plastic waste

    Some beetle larvae can eat plastic, which might be good for our pollution problem. But which types eat the most can vary a lot, these young scientists find.

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  6. Animals

    Catching ‘Dory’ fish can poison entire coral reef ecosystems

    More than half of saltwater-aquarium fish sold in the United States may have been caught in the wild using cyanide, new data show.

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  7. Earth

    Fighting big farm pollution with a tiny plant

    Fertilizer runoff can fuel the growth of toxic algae nearby lakes. A teen decided to harness a tiny plant to sop up that fertilizer.

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  8. Animals

    Profile: A human touch for animals

    Temple Grandin uses her own autism to understand how animals think. The animal scientist is famous for fostering the humane treatment of livestock.

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  9. Animals

    Wildlife forensics turns to eDNA

    Environmental DNA, or eDNA, tells biologists what species have been around — even when they’re out of sight or have temporarily moved on.

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  10. Agriculture

    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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  11. 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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  12. Agriculture

    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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