Vol. 193 No. 11 Read Digital Issue Archives

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More Stories from the June 23, 2018 issue

  1. person holding gun
    Psychology

    Gun owner or not, Americans agree on many ways to limit gun violence

    A new survey suggests that gun owners support many potential gun-control policies — now research on their efficacy needs to catch up.

    By
  2. Astronomy

    Maverick asteroid might be an immigrant from outside the solar system

    A space rock’s backward orbit could be a hint of unusual origins.

    By
  3. wasp and leafworm
    Animals

    A caterpillar outwits corn defenses by gorging on fattening ‘junk’ food

    The crop plants defend themselves with zombie-maker wasps, but one pest has a desperate work-around.

    By
  4. Tanya Van Cuylenborg and Jay Cook
    Genetics

    Genetic sleuthing again IDs a murder suspect in a cold case

    The arrest of a second murder suspect with the help of genetic genealogy raises worries that suspicionless searches may be next.

    By
  5. taxis
    Tech

    Fleets of self-driving taxis could be choreographed to cut traffic

    Hive-minded self-driving cars could curb traffic congestion and vehicle pollution.

    By
  6. rice paddy
    Climate

    As CO2 increases, rice loses B vitamins and other nutrients

    Field experiments add vitamins to list of nutrients at risk from a changing atmosphere.

    By
  7. plasma blob in sun's atmosphere
    Astronomy

    Plasma rain in the sun’s atmosphere falls in surprising places

    Scientists found rain in the sun’s corona where they didn’t expect it, which could help solve the mystery of why the corona is so hot.

    By
  8. bonobos
    Animals

    Pregnant bonobos get a little delivery help from their friends

    As in humans, female bonobos become helpers for mothers giving birth, data from captive apes suggest.

    By
  9. illustration of bird
    Paleontology

    How birds may have escaped the dino-killing asteroid impact

    A tree-loving lifestyle became a risk for ancient birds in a world-changing catastrophe.

    By
  10. XENON1T experiment
    Particle Physics

    Dark matter particles elude scientists in the biggest search of its kind

    The XENON1T experiment saw no signs of hypothetical dark matter particles called WIMPs.

    By
  11. taking blood pressure
    Health & Medicine

    Keeping people within U.S. blood pressure guidelines saves lives

    Big reductions in heart attacks, strokes and deaths may be possible under 2017 blood pressure guidelines.

    By
  12. Geologist Alia Lesnek
    Climate

    The first Americans could have taken a coastal route into the New World

    Alaskan glaciers retreated in time for ancient coastal entries of the first Americans.

    By
  13. at home tests for telomere length
    Health & Medicine

    At-home telomere testing is not a reliable marker of aging, researcher says

    Telomere testing for consumers offers a poor measure of “biological age,” says Johns Hopkins oncologist Mary Armanios.

    By
  14. colonoscopy
    Health & Medicine

    Experts advise: Start colorectal screening at 45, not 50

    The American Cancer Society recommends that colorectal screening begin at the age of 45 for average-risk individuals.

    By
  15. Pluto dunes
    Planetary Science

    Never-before-seen dunes on Pluto spotted in New Horizons images

    Images from the New Horizons spacecraft reveal dunes on Pluto — but the sand-sized grains must have had an unusual boost to get moving.

    By
  16. MiniBooNE
    Particle Physics

    Mysterious neutrino surplus hints at the existence of new particles

    Neutrinos show up in greater numbers than expected in an experiment, possibly bolstering the idea of a fourth type of the particle.

    By
  17. Joseph Weber
    Astronomy

    In 1968, scientists thought they were close to detecting gravity waves

    Despite an unverified discovery in 1968, spacetime ripples remained elusive for nearly 50 years.

    By