Search Results for: Sharks

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778 results
  1. Science & Society

    Humans exploit about one-third of wild vertebrate species

    An analysis of nearly 47,000 vertebrate animal species reveals that using them for food, medicine or the pet trade is helping push some toward extinction.

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  2. Paleontology

    Paleontology has a ‘parachute science’ problem. Here’s how it plays out in 3 nations

    When researchers study fossils from lower-income countries, they often engage in dubious or illegal practices that can stifle science.

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  3. Paleontology

    Megatooth sharks may have been higher on the food chain than any ocean animal ever

    Some megalodons and their ancestors were the ultimate apex predators, outeating all known marine animals, researchers report.

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  4. Paleontology

    Great white sharks may have helped drive megalodons to extinction

    Analyzing zinc levels in shark teeth hints that megalodons and great whites competed with each other for food.

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  5. Animals

    A global report finds amphibians are still in peril. But it’s not all bad news

    A survey of about 8,000 amphibian species provides the latest update on extinction risk trends stretching back to 1980.

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  6. Animals

    This marine biologist is on a mission to save endangered rays

    Jessica Pate and the Florida Manta Project confirm that endangered mantas are mating and sicklefin devils are migrating along the East Coast.

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  7. Paleontology

    Ancient fish fossils highlight the strangeness of our vertebrate ancestors

    New fossils are revealing the earliest jawed vertebrates — a group that encompasses 99 percent of all living vertebrates on Earth, including humans.

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  8. Ecosystems

    Marjorie Weber explores plant-protecting ants and other wonders of evolution

    Cooperation across the tree of life is an understudied driver of evolution and biodiversity, Marjorie Weber says.

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  9. Animals

    Northern elephant seals sleep just two hours a day at sea

    The marine mammals have truly awesome stamina for staying awake, sleeping only minutes at a time on months-long trips at sea.

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  10. Physics

    Julian Muñoz has a ‘ruler’ that could size up the early universe

    The measurement tool could lay out a distance scale for cosmic dawn —and offer clues to the nature of dark matter.

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  11. Science & Society

    Here are 7 new science museums and exhibitions to visit in 2023

    The Grand Egyptian Museum is slated to open, as well as new exhibitions dedicated to space travel, the Galápagos Islands and more.

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  12. Animals

    A hammerhead shark baby boom near Florida hints at a historic nursery

    Finding an endangered shark nursery in a vast ocean is like finding a needle in a haystack. But that’s just what scientists did near Miami.

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