News

  1. Life

    First chromosome made synthetically from yeast

    Work with yeast marks the first time scientists have synthesized a chromosome from organisms with complex cells and represents a major step toward lab-created eukaryotic life.

    By Tina Hesman Saey
  2. Planetary Science

    Icy rings found around tiny space rock

    Astronomers discover an icy ring around the planetoid Chariklo, held in place by unseen moons.

    By Christopher Crockett
  3. Neuroscience

    Scans suggest how the mind solves ethical dilemmas

    Brain scans suggest how the mind solves a moral dilemma.

    By Laura Sanders
  4. Health & Medicine

    Early treatment may stave off esophageal cancer

    Zapping precancerous tissue in patients with Barrett’s esophagus might reduce incidence of cancer.