Ecosystems: Interactions, Energy, and Dynamics

  1. Plants

    Electric shocks act like vaccines to protect plants from viruses

    To protect crops against viruses in their home country of Taiwan, two teens invented a novel approach to fight blights.

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  2. Chemistry

    Let’s learn about cellulose

    The world’s most abundant natural polymer is finding all kinds of new uses, in everything from ice cream to construction.

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  3. Animals

    Like bloodhounds, worms are sniffing out human cancers

    Scents emitted by diseased cells may usher in a new era of safe, low-cost screening tests for cancer and other illnesses.

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  4. Environment

    Night lights make even the seas bright

    Light from coastal cities and offshore development may shine deep enough to disrupt tiny critters living dozens of meters (yards) below the surface.

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  5. Animals

    Infected caterpillars become zombies that climb to their deaths

    By tampering with genes involved in vision, a virus can send caterpillars on a doomed quest for sunlight.

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  6. Chemistry

    Ponds made to control floods can spew climate-warming gases, study finds

    Younger stormwater ponds can release more carbon in gases than they absorb, a study finds. That could aggravate global warming.

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  7. Animals

    Scientists Say: Migration

    Migration involves the movement of animals or people from one place to another.

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  8. Life

    Kitchen sponges are bacteria’s dream home

    Sponges are favorite spots for bacteria, partly because of the mixed-housing environment that the cleaner-uppers offer microbes.

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  9. Animals

    Mosquitoes see red, which may be why they find us so appealing

    Mosquitoes not only see colors, but also prefer certain ones, such as the hues of human skin.

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  10. Animals

    The end of the dinosaurs appears to have come in springtime

    Fish fossils from North Dakota suggest when the Chicxulub asteroid devastated Earth, triggering the mass extinction of dinosaurs and other species.

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  11. Animals

    Analyze This: Birds may decorate nests to scare off rivals

    Birds that nest in holes face stiff competition for nest sites. Some use feathers, also found where predators have made a kill, to keep rivals away.

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  12. Animals

    Orcas can take down the largest animal on the planet

    For the first time, scientists observed that orcas can kill blue whales by using the same hunting techniques that have worked on other large whales.

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