Search Results for: Fish

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8,246 results

8,246 results for: Fish

  1. Paleontology

    Humans, not climate change, may have wiped out Australia’s giant kangaroos

    About 40,000 years ago, giant kangaroos vanished Down Under. Dental analyses suggest a varied diet, meaning climate change was not the main cause.

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  2. Animals

    A built-in pocket protector keeps sawfish from ‘sword fighting’ in the womb

    What’s to prevent pups, with a snout that resembles a hedge trimmer, from slicing and dicing each other in mom’s uterus? Scientists have the answer.

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  3. Animals

    Scientists piece together clues in a shark ‘murder mystery’

    A missing porbeagle shark was likely killed by a great white. It’s the first known case of adult porbeagles being hunted by a predator, scientists say.

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  4. Paleontology

    Could Spinosaurus swim? The fierce dinosaur ignites debate

    Researchers are still divided about whether Spinosaurus was a swimmer or a wader. What’s clear is that confirming the first swimming dinosaur would be a game-changer.

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  5. Animals

    Migratory fish species are in drastic decline, a new UN report details

    The most comprehensive tally of how migrating animals are faring looks at more than 1,000 land and aquatic species and aims to find ways to protect them.

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  6. Paleontology

    Earth’s first waterfowl may have lived in Antarctica 69 million years ago

    A few fossilized body parts hinted at an enigmatic bird's close ties to waterfowl like ducks and geese. A newfound skull may bolster that idea.

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  7. Environment

    ‘The High Seas’ tells of the many ways humans are laying claim to the ocean

    The book explains how the race for ocean resources from fish to ores to new medicines — the Blue Acceleration — is playing out.

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  8. Humans

    Does social status shape height?

    A controversial idea drawing on findings from the animal kingdom suggests there’s more to human stature than genetics and nutrition.

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  9. Animals

    How a puffin patrol in Iceland is saving the iconic seabirds

    Light pollution disorients young puffins. The Puffling Patrol helps them find their way to the sea.

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  10. Oceans

    Deep-sea mining could start soon — before we understand its risks

    The U.S. push to mine international waters for metals defies global efforts to control and protect these fragile ecosystems.

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  11. Environment

    Fiddler crabs are migrating north to cooler waters

    The crabs are climate migrants and could be a harbinger of changes to come as more species move in.

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  12. Paleontology

    Some of Earth’s extinct giants may have been smaller than thought

    Evolving techniques and data indicate some ancient giants like Dunkleosteus and Megalodon may have been smaller than initial estimates suggested.

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