Ecosystems: Interactions, Energy, and Dynamics

  1. 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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  2. 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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  3. Environment

    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. Animals

    Current coral bleaching event is the longest known

    Heat stress has led to the longest coral bleaching event on record. Scientists now worry that global warming may make such prolonged crises more frequent.

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  5. Earth

    Seafloor hosts surprising number of deep-sea vents

    A new sensor detects changes in seawater chemistry and finds far more ecosystem-supporting seafloor vents than scientists had believed were out there.

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  6. 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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  7. Animals

    This mammal has the world’s slowest metabolism

    A sloth species manages to exist with a super-slow metabolism by moving little and using its environment for heating and cooling its body.

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  8. 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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  9. Animals

    Singing lemurs sync up — until one goes solo

    The indri lemurs of Madagascar sing in chorus to mark their territory. But young males sometimes solo, which may help them attract a mate.

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  10. 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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  11. Life

    How a moth went to the dark side

    Peppered moths and some butterflies are icons of evolution. Now scientists have found a gene responsible for making them so.

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  12. 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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