Uncategorized

  1. Health & Medicine

    A popular heartburn medicine doesn’t work as a COVID-19 antiviral

    In lab tests, an antacid didn’t prevent coronavirus infection, but clinical tests are needed to see if it can help people who already have COVID-19.

    By
  2. Readers ask about antibody tests, chimeras and public health and privacy

    By
  3. What it takes to save species, locally and globally

    Editor in chief Nancy Shute writes about the struggle to save species on both the local and global levels.

    By
  4. Astronomy

    The star cluster closest to Earth is in its death throes

    Gaia spacecraft observations of stars’ motion within and fleeing the cluster suggest the 680-million-year-old Hyades has only 30 million years left.

    By
  5. Archaeology

    Ancient DNA suggests Vikings may have been plagued by smallpox

    Viral genetic material from human remains provides direct evidence that smallpox infected people dating back to the year 603.

    By
  6. Health & Medicine

    Masks help new moms with COVID-19 safely breastfeed their babies

    A study reports newborns could be held and breastfed safely when moms with COVID-19 wore masks and cleaned their hands.

    By
  7. Earth

    COVID-19 lockdowns dramatically reduced seismic noise from humans

    Human-caused seismic activity was reduced by as much as 50 percent around the globe during lockdowns as a result of the coronavirus pandemic.

    By
  8. Health & Medicine

    To prevent the next pandemic, we might need to cut down fewer trees

    Investing in halting deforestation and limiting the wildlife trade could be a cost-effective way to reduce the risk of pandemics, a new analysis finds.

    By
  9. Paleontology

    An ancient skull hints crocodiles swam from Africa to the Americas

    A group of crocs, or at least one pregnant female, may have made a transatlantic journey millions of years ago to colonize new land.

    By
  10. Archaeology

    Stone artifacts hint that humans reached the Americas surprisingly early

    Finds uncovered in a Mexican cave suggest North America may have had human inhabitants more than 30,000 years ago — way before archaeologists thought.

    By
  11. Astronomy

    This is the first picture of a sunlike star with multiple exoplanets

    A first family portrait reveals a weird cousin of the solar system: a star about the mass of the sun orbited — distantly — by two massive gas giants.

    By
  12. Health & Medicine

    A blood test may show which COVID-19 patients steroids will help — or harm

    An inflammation marker was a good indicator of which patients had lower or higher risks of dying or needing a ventilator when given steroids.

    By