Search Results for: Cats

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2,543 results

2,543 results for: Cats

  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

    Hotter cities? Here come the rats

    Well, rats. A study of 16 cities shows that higher ambient temperatures and loss of green space are associated with increasing rodent complaints.

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  3. Earth

    The ozone layer shields life on Earth. We’ll soon lose a key way to monitor its health

    Imminent loss of NASA's Aura and Canada's SCISAT will severely diminish scientists’ ability to monitor ozone-depleting substances in the stratosphere.

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  4. Animals

    DNA from old hair helps confirm the macabre diet of two 19th century lions

    Genetic analysis of cavity crud from two famed man-eating lions suggests the method could re-create diets of predators that lived thousands of years ago.

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  5. Animals

    When do cats play fetch? When they feel like it 

    Most cats that play fetch picked it up on their own, a study of cat owners suggests. The felines tend to dictate when a fetching session begins and ends.

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  6. Health & Medicine

    Male mosquitoes sometimes suck, too

    Blood isn’t actually toxic to all male mosquitos. In at least one virus-carrying species, it may even help them live longer.

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  7. Health & Medicine

    Getting drugs into the brain is hard. Maybe a parasite can do the job

    Researchers want to harness the parasite that causes toxoplasmosis to ferry drugs, but some question if the risks can be eliminated.

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  8. Life

    These are our favorite animal stories of 2024

    Pigeons that do somersaults, snakes that fake death with extra flair and surprised canines are among the organisms that enthralled the Science News staff.

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  9. Health & Medicine

    Why a norovirus vaccine isn’t available — yet

    Norovirus is highly infectious and causing a lot of illness this winter. Several vaccine candidates are making their way through clinical trials.

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  10. Readers ask about cat contraception, big G and more

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  11. Artificial Intelligence

    Talking to a chatbot may weaken someone’s belief in conspiracy theories

    AI might help lift conspiracy theorists out of the rabbit hole, but some researchers say proceed with caution.

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  12. Life

    A gene therapy shot might keep cats from getting pregnant without being spayed

    Even after mating with fertile males, females given the cat contraceptive, which targets an ovulation-preventing hormone, did not get pregnant.

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