MS-LS2-2

Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.

  1. Animals

    Scientists Say: Crepuscular

    Day creatures are diurnal. Night creatures are nocturnal. Animals active at twilight get a special name.

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  2. Health & Medicine

    U.S. mosquitoes now spreading Zika virus

    Scientists had worried that if people sick with Zika came to America, local mosquitoes might bite them and spread the disease. That’s now happened.

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  3. Health & Medicine

    Scientists Say: Poisonous

    A poison-arrow frog is poisonous, but a rattlesnake is not. What’s the difference? It’s how the poison is delivered.

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  4. Health & Medicine

    Zika vaccines look promising

    As a Zika epidemic surges through Brazil and northward, scientists are looking for drugs to keep more people from becoming infected. Several vaccines show promise in early tests — but none has yet been tried in people.

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  5. Chemistry

    Scientists Say: Toxin

    It is safe to refer to any poison as toxic. But while all toxins are poisonous, most poisons are not toxins.

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  6. Animals

    Leapin’ eels! Video shows they attack with zaps

    When a predator threatens an electric eel from above, the animals leap up to deliver a shocking defense.

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  7. Ink leads way to terminating termites

    Inspired by a classroom experiment, a teen has built a way to lure troublesome termites to their death — using the power of ink.

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  8. Physics

    Gravity waves are seen again

    Four months after scientists announced the first detection of gravity waves, another set of ripples in spacetime have emerged. The new ones come from the clash of mid-size black holes in the distant universe.

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  9. 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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  10. Animals

    Why some frogs can survive killer fungal disease

    A disease is wiping out amphibian species around the globe. New research shows how some frogs develop immunity.

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  11. Animals

    Scientists Say: Copepod

    Copepods are tiny crustaceans. They eat phytoplankton and float in the water column, although some live in freshwater and on the sea floor.

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  12. Animals

    Spiders eat insects — and sometimes veggies

    Plant-eating spiders have been found on every continent except Antarctica, a new study notes.

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