Humans

  1. Health & Medicine

    Young adults can face severe cases of COVID-19, too

    While risk of having a severe case of COVID-19 rises with age, younger adults are also landing in the hospital and ICU, new U.S. statistics show.

    By
  2. Health & Medicine

    HIV drugs didn’t work as a coronavirus treatment in a clinical trial

    Antiviral HIV drugs “showed no benefit” when given to patients severely ill with COVID-19.

    By
  3. Health & Medicine

    How parents and kids can stay safe and sane during the coronavirus pandemic

    Infectious disease experts weigh in on playdates, playgrounds and other parenting questions.

    By and
  4. Health & Medicine

    50 years ago, scientists were trying to get a grip on Lassa fever

    In 1970, scientists were on the trail of a deadly new virus. Fifty years later, a vaccine is just now being tested in people.

    By
  5. Health & Medicine

    People who didn’t know they had COVID-19 drove its spread in China

    A new study suggests that mild cases, in which people have no symptoms or don’t get sick enough to go to a doctor, are fueling the coronavirus pandemic.

    By
  6. Archaeology

    This is one of the largest Ice Age structures made of mammoth bones

    A massive ring of mammoth bones, built by hunter-gatherers during the Ice Age, offers a peek at life 25,000 years ago.

    By
  7. Health & Medicine

    Coronavirus is most contagious before and during the first week of symptoms

    As major efforts to contain the COVID-19 pandemic go into effect around the globe, researchers are figuring out just when patients are most contagious.

    By
  8. Health & Medicine

    A trick from cancer cells helps rats accept transplanted limbs

    Rats that received microparticles that release a chemical signal to recruit immune cells tolerated hind limb transplants for more than 200 days.

    By
  9. Archaeology

    An ancient ball court sheds light on a game made famous by the Aztecs

    A 3,400-year-old ball court in the southern mountains of Mexico suggests many societies contributed to the development of an ancient, well-known Mesoamerican ball game.

    By
  10. Health & Medicine

    Social distancing, not travel bans, is crucial to limiting coronavirus’ spread

    Everything from waving hello instead of shaking hands to cancelling large gatherings of people will help slow the spread of COVID-19.

    By and
  11. Health & Medicine

    Cruise ship outbreak helps pin down how deadly the new coronavirus is

    Infections and deaths on the Diamond Princess suggest that, in the real world, 0.5 percent of COVID-19 infections in China end in death.

    By
  12. Health & Medicine

    What WHO calling the coronavirus outbreak a pandemic means

    The world’s top global health organization is asking countries to double down on efforts to both contain the virus and mitigate its impact.

    By