News

  1. Health & Medicine

    Mice reveal the off switch for inflammation

    Working with genetically engineered mice, scientists have identified a crucial natural mechanism that rodents use to shut down inflammation before it does harm.

    By John Travis
  2. Astronomy

    Did Space Rocks Deliver Sugar?

    Planetary scientists have for the first time detected sugar compounds in meteorites, bolstering the view that space rocks seeded the early Earth with ingredients essential for the development of life.

    By Ron Cowen
  3. Health & Medicine

    Newfound flu protein may kill immune cells

    A dash of serendipity led to the discovery of a new protein, produced by most strains of the influenza A virus.

    By Ben Harder
  4. Animals

    Crows appear to make tools right-handedly

    A study of 3,700 leaf remnants from crows making tools suggests that the birds prefer to work "right-handed."