Search Results for: Cats

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2,456 results
  1. Readers ask about cat contraception, big G and more

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  2. A photo of four cats perched on a ledge.
    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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  3. A close up photo of a tiny transparent rectangle sitting on the tip of a person's finger.
    Quantum Physics

    A sapphire Schrödinger’s cat shows that quantum effects can scale up

    The atoms in a piece of sapphire oscillate in two directions at once, a mimic of the hypothetically dead-and-alive feline.

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  4. A photo of a living brain worm in a specimen jar.
    Health & Medicine

    Doctors found a live python parasite in a woman’s brain

    The infection is the first known case of the worm Ophidascaris robertsi in a person. It’s not the only type of worm that can infect human brains.

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  5. Two tabby cats play fighting on an apartment floor.
    Animals

    Are your cats having fun or fighting? Here are some ways to tell

    Certain behaviors indicate if your cats’ interaction is friendly, aggressive or something in between, a new study finds.

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  6. An overhead photo of a small dog sitting on the lap of a person in a yellow long sleeve shirt working on a laptop.
    Health & Medicine

    Pets and people bonded during the pandemic. But owners were still stressed and lonely

    People grew closer to their pets during the first two years of COVID. But pet ownership didn’t reduce stress or loneliness, survey data show.

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  7. An illustration of an adult ancient bison and calf attempting to escape a fire while other bison are seen running in the background.
    Life

    Around 13,000 years ago, humans and fire changed LA’s ecosystem forever

    Rapid drying combined with human-made fires changed Southern California forever, killing off ancient bison, dire wolves and five other megafauna species there.

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  8. A man lays on a bed looking at a gray cat next to him on the bed.
    Health & Medicine

    Cat allergies may be tamed by adding an asthma therapy to allergy shots

    Adding an antibody already used to treat asthma to standard allergy shots improved cat allergy symptoms for a least a year, a small study finds.

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  9. A photo of a hominid leg fossil on a black background with a magnified view of it on the right shows a variety of scratches and gouges.
    Anthropology

    Fossil marks suggest hominids butchered one another around 1.45 million years ago

    Researchers disagree whether new evidence of stone tool marks on a hominid leg bone reflects ancient cannibalism or perhaps some other, undetected behavior.

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  10. A collared mountain lion and her three cubs in a wooded area at night
    Animals

    Mountain lions pushed out by wildfires take more risks

    A study tracking mountain lions showed that after an intense burn, the big cats crossed roads more often, raising the risk of becoming roadkill.

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  11. a 3-D visualization of the Cat’s Eye nebula next to a Hubble image of the nebula
    Astronomy

    A 3-D model of the Cat’s Eye nebula shows rings sculpted by jets

    The Cat’s Eye is one of the most complex nebulae known. A 3-D reconstruction reveals the source of some of that complexity.

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  12. On the left a white dog eating from a food bowl and on the right a smaller brown cat eats from a food bowl
    Animals

    Dry pet food may be more environmentally friendly than wet food

    The environmental cost of wet pet food is higher than dry food, scientists say. That may be because wet food gets most of its calories from animals.

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