Uncategorized

  1. Health & Medicine

    Amino acid recipe could be right for long life

    In fruit flies, a low-calorie diet with extra methionine extends lifespan without harming fertility

    By Tina Hesman Saey
  2. Space

    Star outweighed any known in Milky Way

    A nearby supernova was a big blast, challenging theories of how massive stars live and die.

    By Ron Cowen
  3. Life

    Gene stops tumors, but only when it’s gone

    When a single copy of the microRNA processor Dicer is disabled, cancer can become more deadly. Removing Dicer completely, though, stops tumors.

    By Tina Hesman Saey
  4. Life

    Poached hammerhead fins traced to endangered populations

    Mapping populations with DNA comparisons offers possible tool for conservation of hammerhead sharks.