Uncategorized

  1. Chemistry

    Beets bleed red but a chemistry tweak can create a blue hue

    A new blue dye derived from beet juice might prove an alternative to synthetic blue dyes in foods, cosmetics or fabrics.

    By Carmen Drahl
  2. Science & Society

    The U.S. has resisted the metric system for more than 50 years

    Australia adopted the metric system 50 years ago. The United States tried by passing legislation for a voluntary conversion that was largely ignored.

    By Cassie Martin
  3. Health & Medicine

    Just breathing or talking may be enough to spread COVID-19 after all

    Until now, experts have said that the virus spreads only through large droplets released when people cough or sneeze, but it may spread more easily.