All Stories

  1. Planets

    New clues in search for Planet Nine

    New details about Planet Nine, a hypothetical object on the edge of our solar system, might help scientists actually find it.

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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

    To remember something new: Exercise!

    People who exercised strenuously for a half hour after learning something new cemented those memories. But the trick: Wait four hours before getting the heart pumping vigorously.

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  4. Science News for Students: Enjoy more than our new look

    This same great journalism now comes bundled with more features designed to aid classroom use. Everything you liked about the old Science News for Students site is still there.

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  5. Chemistry

    E-cigs create toxic vapors from harmless e-liquids

    New study finds a primary source of toxic vaping compounds. It’s the heat-driven breakdown of the liquids that hold nicotine and flavorings. And older, dirtier e-cigs make higher amounts of the toxic chemicals.

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  6. Climate

    Climate closing the gender gap for this mountain flower

    Among valerian plants, males like it hotter than the females do. So a warming climate has been speeding their migration up once-cool mountainsides.

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  7. Animals

    Frigate birds spend months without landing

    Frigate birds can fly non-stop for months. They stay in the air with the help of upward-moving airflows, a new study finds.

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  8. Earth

    Falling through Earth might be a long and fruitless trip

    A classic physics problem asks what would happen if you plunged through Earth’s center. A new study contends you could never make it to the other side.

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  9. Health & Medicine

    To teens, benefits are more persuasive than risks

    When potential rewards and punishments are equal, teens are more likely to make decisions based on those rewards than on concerns over any risks, a new study shows.

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  10. Animals

    Scientists Say: Venomous

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

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  11. Fossils

    Parasites wormed their way into dino’s gut

    Tiny burrows crisscross the stomach of a 77-million-year-old dinosaur fossil. These may be tracks left behind by slimy parasitic worms.

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  12. Physics

    Why the knuckleball takes such a knucklehead path

    They used to say it was how the seams interacted with the air. The new explanation is different. Scientists say its due to a ”drag crisis.”

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