News

  1. Animals

    Lizard breath has surprising birdlike flow

    Decades of assumptions may be wrong about the evolution of reptile lungs.

    By Susan Milius
  2. Life

    Dietary changes affect gut microbes within a day

    Menu restricted to meat, egg and cheese alters bacterial mix more than eating only plants.

    By Tina Hesman Saey
  3. Health & Medicine

    Heartburn drugs linked to vitamin deficiency

    People who take Nexium, Prilosec and other medicines more prone to low B12 levels.

    By Nathan Seppa
  4. Neuroscience

    Brain chip enables injured rats to control movements

    Prosthesis bypasses damaged area to connect distant neurons.

    By Laura Sanders
  5. Math

    Twin primes and prime bunches in mathematicians’ crosshairs

    For second time this year, a mathematician makes a major advance toward proving a long-standing conjecture.