News

  1. Tech

    A new artificial eye mimics and may outperform human eyes

    A new artificial eyeball boasts a field of view and reaction time similar to that of real eyes.

    By Maria Temming
  2. Genetics

    The oldest genetic link between Asians and Native Americans was found in Siberia

    DNA from a fragment of a 14,000-year-old tooth suggests that Native Americans have widespread Asian ancestry.

    By Bruce Bower
  3. Humans

    Births in the United States have dropped to a 34-year low

    Recessions can influence the birth rate, but births haven’t rebounded yet since the country’s last economic downturn in the late 2000s.

    By Aimee Cunningham
  4. Health & Medicine

    New data suggest people aren’t getting reinfected with the coronavirus

    People who recover from COVID-19 but later test positive again for the coronavirus don’t carry infectious virus, a study finds.