Uncategorized

  1. Space

    Half the universe’s ordinary matter was missing — and may have been found

    Astronomers have used fast radio bursts as cosmic weigh stations to tease out where the universe’s “missing matter” resides.

    By Maria Temming
  2. Health & Medicine

    Infecting people with COVID-19 could speed vaccine trials. Is it worth it?

    To accelerate vaccine development, some experts argue we should purposefully infect volunteers with the coronavirus. Others warn of the risks.

    By Jonathan Lambert
  3. Health & Medicine

    Is the coronavirus mutating? Yes. But here’s why you don’t need to panic

    Some studies claim there are new strains of the coronavirus, but lab experiments are needed to see if mutations are changing how it infects cells.