NYT > Science

    Family Separation: It’s a Problem for U.S. Citizens, Too

    Family Separation: It’s a Problem for U.S. Citizens, Too


    Children in a recreation area outside Casa Padre, a shelter in Brownsville, Tex., that is housing nearly 1,500 boys aged 10 to 17 who were caught illegally crossing the...

    The police, prosecutors and child welfare agencies split children from their parents every day.
    James Gips, Who Extended Computer Use to the Disabled, Dies at 72

    James Gips, Who Extended Computer Use to the Disabled, Dies at 72


    James Gips at Boston College, where he taught. He helped develop systems that enabled people with disabilities to better...

    He helped develop two technologies that allowed people who could not use a mouse to communicate with a computer, and thus with the world.
    The Final Hours of the Iceman’s Tools

    The Final Hours of the Iceman’s Tools


    A showcase reflects a reconstruction of Ötzi’s skull, center, and his body at the South Tyrol Museum of Archaeology in Bolzano,...

    What the implements found with the body of Ötzi revealed about the Copper Age.
    The New Old Age: Breathing Tubes Fail to Save Many Older Patients

    The New Old Age: Breathing Tubes Fail to Save Many Older Patients


    One-third of patients over age 65 die in the hospital after they are put on ventilators. Doctors are beginning to wonder if the procedure should be used so...

    One-third of patients over age 65 die in the hospital after they are put on ventilators. Doctors are beginning to wonder if the procedure should be used so often.
    Climate Change Brought a Lobster Boom. Now It Could Cause a Bust.

    Climate Change Brought a Lobster Boom. Now It Could Cause a Bust.


    Dave Cousens, a lobsterman, begins his day before sunrise in South Thomaston,...

    Warming waters in the Gulf of Maine have benefited lobsters and the lobstermen who trap them. But as temperatures rise further, will the industry reach a tipping point?
    Summer Solstice 2018: The Search for Life in the Galaxy

    Summer Solstice 2018: The Search for Life in the Galaxy


    An artist’s rendering of an Earthlike exoplanet orbiting another. Scientists haven’t been able to measure an exoplanet’s tilt yet, but some suspect that a planet’s tilt is key to supporting...

    As you mark the longest day of the year, consider the debate among astronomers over whether Earth’s tilt toward the sun helps make life on our world and others possible.
    The Natural Gas Industry Has a Leak Problem

    The Natural Gas Industry Has a Leak Problem


    A technician searching for methane leaks with an infrared camera in Damascus,...

    Emissions of methane, a powerful greenhouse gas, are 60 percent higher than government estimates. That’s bad news for climate change.
    A Common Virus May Play Role in Alzheimer’s Disease, Study Finds

    A Common Virus May Play Role in Alzheimer’s Disease, Study Finds


    New research suggests that certain viral infections could accelerate an immune response increasing the accumulation of amyloid, the protein in human brains which forms the plaques of...

    The research did not find that viruses cause Alzheimer’s. But it showed that two types of herpes interact with Alzheimer’s-related genes and might drive the disease process.
    Newly Discovered ‘Limb Pit’ Reveals Civil War Surgeons’ Bitter Choices

    Newly Discovered ‘Limb Pit’ Reveals Civil War Surgeons’ Bitter Choices


    A field technician excavating the remains of an amputated limb at Manassas National Battlefield Park in October 2015. The discovery of two nearly complete sets of soldiers’ remains, 11 partial limbs and other artifacts appeared to date to the Second...

    Two skeletons and the remains of 11 amputated limbs are leading to new knowledge of combat injuries and medical practices on long-ago battlefields.
    New Group, With Conservative Credentials, Plans Push for a Carbon Tax

    New Group, With Conservative Credentials, Plans Push for a Carbon Tax


    A new group, Americans for Carbon Dividends, supports a plan to tax carbon emissions and deliver the revenue to American...

    A new lobbying group is hoping to build support for a “climate dividend” plan. Its members include Trent Lott, Janet L. Yellen and Ben S. Bernanke.
    It Was Supposed to Be an Unbiased Study of Drinking. They Wanted to Call It ‘Cheers.’

    It Was Supposed to Be an Unbiased Study of Drinking. They Wanted to Call It ‘Cheers.’


    Buried in a new N.I.H. report are disturbing examples of coordination between scientists and the alcohol industry on a study that could have changed America’s drinking...

    Buried in a new N.I.H. report are disturbing examples of coordination between scientists and the alcohol industry on a study that could have changed America’s drinking habits.
    Dr. Adel Mahmoud, Who Was Credited With HPV and Rotavirus Vaccines, Dies at 76

    Dr. Adel Mahmoud, Who Was Credited With HPV and Rotavirus Vaccines, Dies at 76


    Dr. Adel Mahmoud, an expert in infectious diseases, helped usher in a combination vaccine against measles, mumps, rubella and chickenpox as well as one to prevent...

    As president of Merck Vaccines, Dr. Mahmoud overcame doubts in developing vaccines against two threats to women and babies: HPV and rotavirus.

    ScienceTake: The Elephant’s Superb Nose


    Elephants’ trunks are not only large and strong, they house one of the best mammalian smelling...

    Elephants’ trunks are not only large and strong, they house one of the best mammalian smelling systems.
    Global Health: Nearly Eradicated in Humans, the Guinea Worm Finds New Victims: Dogs

    Global Health: Nearly Eradicated in Humans, the Guinea Worm Finds New Victims: Dogs


    A two-year-old dog named Djalibe getting a Guinea worm pulled from her leg by Laures Dossou, second left, of the Carter Center, a philanthropy founded by former President Jimmy Carter. Scientists have worked for decades to eradicate the painful,...

    For 30 years, scientists have fought to eliminate a horrifying parasite. Suddenly, it has begun infecting dogs in Chad, threatening to undo decades of progress.

    Inside the Nose of an Elephant


    Elephants have a keen nose. They have more smell receptors than any mammal – including dogs – and can sniff out food that is several miles away. A new study tests their ability to distinguish between similar smelling...

    Elephants have a keen nose. They have more smell receptors than any mammal – including dogs – and can sniff out food that is several miles away. A new study tests their ability to distinguish between similar smelling plants.
    Global Health: The Man Who (Almost) Wiped Out the Guinea Worms

    Global Health: The Man Who (Almost) Wiped Out the Guinea Worms


    Dr. Ernesto Ruiz-Tiben, who has fought to eradicate Guinea worm disease for decades, surveys a field near a village in Chad. Just 30 Guinea worm infections were reported worldwide in...

    Dr. Ernesto Ruiz-Tiben has saved tens of millions of people from painful parasitic infections.

    Trump Orders Establishment of Space Force as Sixth Military Branch


    The idea has troubled lawmakers and even some members of the administration, who have cautioned that it could create unnecessary bureaucratic responsibilities for a military burdened by...

    The idea has troubled lawmakers and even some members of the administration, who have cautioned that it could create unnecessary bureaucratic responsibilities for a military burdened by conflicts.
    Nonfiction: Was Autism a Nazi Invention?

    Nonfiction: Was Autism a Nazi Invention?


    Hans Asperger, left, working with a boy in the Curative Education Clinic in...

    In “Asperger’s Children,” Edith Sheffer explores the roots of autism, first diagnosed in Nazi Germany as the regime engaged in a program of child euthanasia.
    Video Game Addiction Tries to Move From Basement to Doctor’s Office

    Video Game Addiction Tries to Move From Basement to Doctor’s Office


    The study center at the Serenity Mountain adolescent treatment branch of the ReStart internet and video game addiction center in Monroe,...

    Gaming disorder is being recognized for the first time by the World Health Organization. But of the few treatment options available, most are uninsured and unproven.
    A Family in Transition

    A Family in Transition


    Two fathers and the baby girl they never...

    Two fathers and the baby girl they never expected.
    Asteroids and Adversaries: Challenging What NASA Knows About Space Rocks

    Asteroids and Adversaries: Challenging What NASA Knows About Space Rocks


    Radar images of a near-Earth asteroid collected in 2015. Since 2011, a NASA project called Neowise has studied 158,000 asteroids. But Microsoft’s former chief technologist, Dr. Nathan P. Myhrvold, criticized those numbers. “The science is...

    Two years ago, NASA dismissed and mocked an amateur’s criticisms of its asteroids database. Now Nathan Myhrvold is back, and his papers have passed peer review.