News

  1. Life

    How much space does nature need? 30 percent of the planet may not be enough

    Nations are drafting a plan to protect 30 percent of Earth by 2030 to save biodiversity. The number reflects politics more than scientific consensus.

    By Jonathan Lambert
  2. Health & Medicine

    More evidence hints that hydroxychloroquine doesn’t help treat COVID-19

    A malaria drug showed no benefit over standard care in two preliminary studies examining how well hydroxychloroquine works against the coronavirus.

    By Tina Hesman Saey
  3. Astronomy

    High-speed gas collisions prevent star birth in galaxies’ bars

    The spiral galaxy NGC 1300 makes few if any stars in its bright bar. Simulations suggest gas clouds colliding at high speed stunt star formation.