NYT > Science

    What Does It Really Mean to Be 6 Weeks Pregnant?


    So-called ‘heartbeat’ legislation restricting abortion as early as six weeks into pregnancy has started a conversation about when most women actually learn that they’re...

    So-called ‘heartbeat’ legislation restricting abortion as early as six weeks into pregnancy has started a conversation about when most women actually learn that they’re pregnant.
    In Cities Where It Once Reigned, Heroin Is Disappearing

    In Cities Where It Once Reigned, Heroin Is Disappearing


    William Glen Miller Sr. has been using heroin since he was 13 years old. He lost one leg to a heroin-related infection and now lives in a nursing home in...

    The rise of the more potent fentanyl in its place has put a generation of older users, who had managed their addiction, at far greater risk of overdose.
    How Our Toothbrushes Are Littering Paradise

    How Our Toothbrushes Are Littering Paradise


    A new survey estimates the Cocos Keeling Islands are covered in more than 400 million pieces of...

    A new survey of remote islands off the coast of Australia found mountains of plastic weighing as much as a blue whale.
    Barbara Marx Hubbard, 89, Futurist Who Saw ‘Conscious Evolution,’ Dies

    Barbara Marx Hubbard, 89, Futurist Who Saw ‘Conscious Evolution,’ Dies


    Barbara Marx Hubbard in 1978. Her book “Conscious Evolution: Awakening the Power of Our Social Potential” is a core text among those who think the human race is on the brink of an enhanced way of...

    In her writings and lectures, she postulated that the human race was on the brink of an enhanced way of existing and could bring about great things.
    How Tiger Woods Won the Back Surgery Lottery

    How Tiger Woods Won the Back Surgery Lottery


    Tiger Woods practiced on Tuesday ahead of the P.G.A. Championship, which begins on Thursday at Bethpage on Long...

    Surgeons cured Tiger Woods’s back on the fourth try — with plenty of help from Woods himself. But fusion surgery provides no guarantees of success.

    Studies Show: How Much Alcohol Can You Drink Safely?


    That depends on how you do the research — and then on how you read the results. Here’s what studies...

    That depends on how you do the research — and then on how you read the results. Here’s what studies show.
    Lens: Documenting Climate Change by Air, Land and Sea

    Lens: Documenting Climate Change by Air, Land and Sea


    Felix Condori, 31, the mayor of Llapallapani and a former fisherman, next to a boat in the dry bed that was once Bolivia’s second-largest lake. He now must travel to find construction jobs as a means to make money now that the lake that defined their...

    The New York Times photographer Josh Haner has spent the past four years capturing the effects of climate change around the world and under water.
    Attention Young People: This Narcissism Study Is All About You

    Attention Young People: This Narcissism Study Is All About You


    The widespread belief that young adults are more self-absorbed may have been fueled by the fact that social media has made today’s narcissists much easier to find, the study’s lead author...

    New research found that those aged 18 to 25 believe theirs is the most narcissistic and entitled living generation. But that doesn’t make it true.
    As Swine Fever Roils Asia, Hogs Are Culled and Dinner Plans Change

    As Swine Fever Roils Asia, Hogs Are Culled and Dinner Plans Change


    Dead pigs were transported to a landfill as part of a government culling operation in Hong Kong on Monday. An outbreak of African swine fever is pushing governments in Asia to take drastic...

    An African swine fever outbreak that had been centered in China is rapidly spreading to neighboring countries, pushing up prices of pork, a staple in many Asian nations.
    Trilobites: Striking Down the Queen Won’t Save You From the Swarm

    Trilobites: Striking Down the Queen Won’t Save You From the Swarm


    A honey bee queen surrounded by attendants as she lays eggs. “The colony is not just dropping dead just because you remove the queen,” said Simon Garnier, head of the Swarm Lab at the New Jersey Institute of...

    It’s a common trope in science fiction, but hives in nature are not dependent on any central node for their function.
    Mind: Firing Up the Neural Symphony

    Mind: Firing Up the Neural Symphony


    Colored x-rays of a 61-year-old with Parkinson’s disease, showing the electrodes of a deep-brain stimulator. The science of brain stimulation is moving fast, but many puzzles...

    Scientists are racing to treat brain disabilities with electrical stimulation. Here’s a metaphor to help make sense of the progress.
    $2 Billion Verdict Against Monsanto Is Third to Find Roundup Caused Cancer

    $2 Billion Verdict Against Monsanto Is Third to Find Roundup Caused Cancer


    Alva Pilliod, left, and Alberta Pilliod, third from left, with their lawyers after a jury ordered Monsanto to pay the Pilliods $2 billion in...

    A state jury’s award for a Northern California couple followed awards in separate cases in March and August, and was the largest by far.
    Essay: Why Apollo 10 Stopped Just 47,000 Feet From the Moon

    Essay: Why Apollo 10 Stopped Just 47,000 Feet From the Moon


    The command service module, dubbed “Charlie Brown” for the Apollo 10 mission to the moon, viewed from the lunar module “Snoopy” in...

    In a year when we’ll celebrate Apollo 11’s 50th anniversary, it’s worth remembering the pathfinders who completed the same mission with one critical order: don’t actually land on the moon.
    Stem Cell Treatments Flourish With Little Evidence That They Work

    Stem Cell Treatments Flourish With Little Evidence That They Work


    A doctor retrieving bone marrow from a patient at the Nura Precision Pain Management clinic in Edina, Minn., for a stem cell procedure. The clinic is affiliated with Regenexx, which claims that many patients benefit from its treatments. Most researchers...

    The F.D.A. has taken an industry-friendly approach toward companies using unproven cell cocktails to treat people desperate for relief from aging or damaged joints.
    Dr. Arthur Zitrin, Bioethicist and Death Penalty Foe, Dies at 101

    Dr. Arthur Zitrin, Bioethicist and Death Penalty Foe, Dies at 101


    Dr. Arthur Zitrin in 1968 with the remnants of four Corinthian columns from the Cornell University Medical College. He helped save the columns when the building was...

    An authority on bioethics at New York University for decades, Dr. Zitrin sought to discipline physicians who assisted in executions by lethal injection.

    Goro Shimura, 89, Mathematician With Broad Impact, Is Dead


    His insights provided the foundation for the proof of Fermat’s Last Theorem and led to tools widely used in modern...

    His insights provided the foundation for the proof of Fermat’s Last Theorem and led to tools widely used in modern cryptography.
    Your 5G Phone Won’t Hurt You. But Russia Wants You to Think Otherwise.

    Your 5G Phone Won’t Hurt You. But Russia Wants You to Think Otherwise.


    A Russia Today anchor in Moscow preparing to go on air. The network's American version, RT America, has been exaggerating the health hazards posed by 5G networks, the next, most powerful generation of cell phone...

    RT America, a network known for sowing disinformation, has a new alarm: the coming ‘5G Apocalypse.’