NYT > Science

    What to Know About Getting a Flu Shot This Year, No Matter Who’s Paying

    What to Know About Getting a Flu Shot This Year, No Matter Who’s Paying


    Getting a flu shot in Brooklyn. Until a few years ago, the typical flu shot included three strains of the virus. Now, more flu-shot makers are adding a...

    Flu season is here, and there are at least six types of vaccine to choose from. It’s worth studying the options to determine which is likely to protect you the most.
    Trilobites: Campi Flegrei Volcano’s Ancient Cycle Seems to End in Large Eruption

    Trilobites: Campi Flegrei Volcano’s Ancient Cycle Seems to End in Large Eruption


    Researchers last year measuring the activity of the Solfatara crater, part of Campi Flegrei, an area north of Naples that contains about 40 ancient...

    The Italian volcanic giant has been curiously eruption-free since 1538. New research unspooled 60,000 years of its history with an eye on what it will do in the future.
    Dorothy Cheney, Who Studied Primates Up Close, Dies at 68

    Dorothy Cheney, Who Studied Primates Up Close, Dies at 68


    Dorothy Cheney with baboons at the Moremi Game Reserve in Botswana. Her research there included insights into the hierarchical nature of baboon...

    Her research with her husband, Robert Seyfarth, found that baboons and vervet monkeys had more complex social relationships than previously thought.
    Naomi Breslau, Who Studied Post-Traumatic Stress, Dies at 86

    Naomi Breslau, Who Studied Post-Traumatic Stress, Dies at 86


    Naomi Breslau in her office at Michigan State University in 2012. She was among the first scientists to study how the experiences of everyday life can cause serious psychiatric...

    She also investigated links between various disorders, like depression and smoking, and suggested that migraines could cause mental problems — and vice versa.
    When Hospitals Merge to Save Money, Patients Often Pay More

    When Hospitals Merge to Save Money, Patients Often Pay More


    Jennifer Lamptey, a radiologic technologist, adjusting a CT scan at the Saint Raphael campus of Yale New Haven Hospital, part of a bigger system set to control a quarter of Connecticut’s hospital...

    Rapid consolidation has created powerful groups of hospitals, with organizations dictating prices and fueling health spending in some areas of the country.
    Juul Suspends Selling Most E-Cigarette Flavors in Stores

    Juul Suspends Selling Most E-Cigarette Flavors in Stores


    More than three million middle and high school students reported using e-cigarettes in 2017, according to preliminary government data, with about one-third saying the flavors were a big factor in their...

    Juul will restrict sales of nearly all its flavored pods to the internet, and stop most social media promotion to combat youth vaping, bowing to government and public pressure.
    Trilobites: Why Komodo Dragons Haven’t Conquered the World

    Trilobites: Why Komodo Dragons Haven’t Conquered the World


    Komodo dragons of the Ragunan Zoo in Jakarta, Indonesia. Though capable of traveling long distances, the lizards generally don't like to roam too...

    The razor-toothed predators are fierce, but scientists found that they’re real homebodies.
    Trilobites: Male Insect Fertility Plummets After Heat Waves

    Trilobites: Male Insect Fertility Plummets After Heat Waves


    A simulated heat wave in a lab caused sperm production in a type of beetle to drop by half, and a second heat wave nearly sterilized...

    Researchers say that temperature’s effects on sperm production could be one factor behind the decline in the world’s insect populations.
    Papua New Guinea Is Rich in Resources but Poor in Health

    Papua New Guinea Is Rich in Resources but Poor in Health


    A mother and her baby at a health clinic where polio vaccines were administered to children in Lae, Papua New Guinea, in July. Vaccination rates are down to 30 percent in some parts of the...

    The Pacific nation hoped that hosting the APEC summit meeting would elevate its international profile, but a national health crisis threatens to overshadow it.
    Clean Energy Is Surging, but Not Fast Enough to Solve Global Warming

    Clean Energy Is Surging, but Not Fast Enough to Solve Global Warming


    Wind turbines and solar panels in Hebei Province, China. Renewables are expected to supply 40 percent of the world’s electricity by...

    The International Energy Agency said renewables were poised to surpass coal by 2040. But more is still needed to stop climate change.
    Why Does California Have So Many Wildfires?

    Why Does California Have So Many Wildfires?


    A house set alight by the Camp Fire in Paradise, Calif., on Thursday. The fast-spreading fire has been burning 80 acres per...

    There are four key ingredients that make the state such a tinderbox.
    Q&A: ‘Touch Not the Cat’

    Q&A: ‘Touch Not the Cat’


    The Scottish wildcat, the last native cat in the United Kingdom, is endangered; fewer than 100 purebred specimens remain in the...

    The Scottish wildcat, the last native cat in the United Kingdom, is endangered; fewer than 100 purebred specimens remain in the wild.
    Where Will Science Take Us? To the Stars

    Where Will Science Take Us? To the Stars


    The Atacama Desert in Chile is arguably the best place in the world to see the night sky. Above are antennas of the Atacama Large Millimeter/submillimeter Array, known as...

    A monthlong visit to observatories in Chile, Hawaii and Los Angeles revealed spellbinding visions of the heavens.
    In Brazil, Animals Cross a Road of No Return

    In Brazil, Animals Cross a Road of No Return


    A dead caiman on a highway in Brazil’s Pantanal region. Twenty percent of the world’s biodiversity is found in Brazil, where economic development is rapidly expanding the road...

    Highway BR-262 is among the deadliest in the world for wildlife. Biologist Wagner Fischer has been monitoring its grim toll for more than two decades.
    The Wheels on These Buses Go Round and Round With Zero Emissions

    The Wheels on These Buses Go Round and Round With Zero Emissions


    Electric buses in White Plains, N.Y. The school district’s pilot program relies on a state grant and a partnership with the local electric...

    Some states, concerned about pollution and global warming, see school buses as the next frontier for electric vehicles. Prices are high, but that's starting to change.
    Rocket Lab’s Modest Launch Is Giant Leap for Small Rocket Business

    Rocket Lab’s Modest Launch Is Giant Leap for Small Rocket Business


    Rocket Lab’s Electron launched from a site in New Zealand on Sunday, local time. The rocket carried seven payloads, all small...

    The company’s Electron rocket carried a batch of small commercial satellites from a launchpad in New Zealand, a harbinger of a major transformation to the space business.
    The Chemists’ War

    The Chemists’ War


    At the American University Experiment Station near the Dalecarlia Reservoir in Maryland, soldiers tested gas masks in a “man-test”...

    One hundred years after the end of World War I, the Army Corps of Engineers is still cleaning up the relics of experiments that helped develop chemical weapons to counter the Germans’ gas attacks.
    F.D.A. Plans to Seek a Ban on Menthol Cigarettes

    F.D.A. Plans to Seek a Ban on Menthol Cigarettes


    As part of its campaign against flavored e-cigarettes and nicotine addiction, the Food and Drug Administration plans to seek a ban on sales of menthol cigarettes. It’s a measure long sought by health advocates, who said the products were marketed...

    The move is part of an aggressive campaign against many products containing nicotine, including flavored e-cigarettes. Menthol has long been a concern among African-Americans because of its addictive qualities.
    Devah Pager, Who Documented Race Bias in Job Market, Dies at 46

    Devah Pager, Who Documented Race Bias in Job Market, Dies at 46


    Devah Pager at Harvard University, where she was a professor of sociology and public policy. In her seminal work, she documented what she called the “powerful effects of race” on hiring...

    Her research established that a white man, even if he had a felony conviction, fared better when applying for a job than a black man with no criminal record.
    The New Old Age: Dementia Is Getting Some Very Public Faces

    The New Old Age: Dementia Is Getting Some Very Public Faces


    Sandra Day O'Connor retired from public life earlier this year, announcing that she had dementia — a rare public...

    Stigma often prevents patients from acknowledging an Alzheimer’s diagnosis. A series of high-profile disclosures may help change that.
    F.D.A. Plans to Ban Most Flavored E-Cigarette Sales in Stores

    F.D.A. Plans to Ban Most Flavored E-Cigarette Sales in Stores


    Young vape users walking in the East Village of Manhattan. Alarmed by a huge increase in vaping among minors, the F.D.A. is expected to impose limits on the sale of most flavored...

    After warning Juul and other e-cigarette makers to keep their flavored products away from minors, the F.D.A. wants to curb sales altogether.
    Matter: Crossing From Asia, the First Americans Rushed Into the Unknown

    Matter: Crossing From Asia, the First Americans Rushed Into the Unknown


    Excavation of a skeleton approximately 9,600 years old in a rock shelter in Brazil. New DNA analyses show the earliest known Americans split into distinct groups after they crossed a land bridge from...

    Three new genetic analyses lend detail, and mystery, to the migration of prehistoric humans throughout the Western Hemisphere.
    The Ecosystem in Immigrants’ Guts Is Shaped by the Place They Call Home

    The Ecosystem in Immigrants’ Guts Is Shaped by the Place They Call Home


    Ka Bao Vue, right, preparing young dancers for a ceremony at the Miss Hmong America Pageant this year in La Crosse,...

    By studying the relationship among ethnicity, migration history and the digestive system’s microbiome, researchers hope to gain insights on health disparities in diverse communities.