Search Results for: Fish

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8,234 results

8,234 results for: Fish

  1. Astronomy

    86 stars get official names

    The International Astronomical Union has released 86 newly official star names, based, in part, on historical star names from various indigenous cultures.

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  2. Animals

    Female guppies with bigger brains pick more attractive guys

    A larger-brained female guppy may pick primo males, but all that mental machinery costs her in other ways.

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  3. Animals

    One creature’s meal is another’s pain in the butt

    Kelp and dolphin gulls in Patagonia have found a new food source. But they accidentally injure fur seal pups to get it.

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  4. Ecosystems

    Invasive species are a growing global threat

    'The Aliens Among Us' describes how invasive species are colonizing — and disrupting — ecosystems worldwide.

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  5. Animals

    Young penguins follow false food cues

    Juvenile African penguins are being trapped in barren habitats, led astray by biological cues that are no longer reliable because of human activity.

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  6. Climate

    Rising CO2 in lakes could keep water fleas from raising their spiky defenses

    Rising CO2 in freshwaters may change how predators and prey interact in lakes.

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  7. Animals

    Most blue whales are ‘righties,’ except for this one move

    Though many blue whales tend to be “right-handed” when hunting for krill, one specific barrel roll move requires a lefty twist.

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  8. Animals

    Whales feast when hatcheries release salmon

    Whales: “They’re 40 feet long and they’re feeding on fish that are the size of my finger.”

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  9. Animals

    Fossil find suggests this ancient reptile lurked on land, not in the water

    An exquisitely preserved fossil shows that an ancient armored reptile called Eusaurosphargis dalsassoi wasn’t aquatic, as scientists had suspected.

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  10. Animals

    Being a vampire can be brutal. Here’s how bloodsuckers get by.

    Blood-sucking animals have specialized physiology and other tools to live on a diet rich in protein and lacking in some nutrients.

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  11. Animals

    Newly discovered lymph hydraulics give tunas their fancy moves

    There’s still some anatomy to discover in fishes as familiar as bluefin and yellowfin tunas.

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  12. Paleontology

    Ancient armored fish revises early history of jaws

    The fossil of a 423-million-year-old armored fish from China suggests that the jaws of all modern land vertebrates and bony fish originated in a bizarre group of animals called placoderms.

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