News

  1. Astronomy

    Ultimate Retro: Modern echoes of the early universe

    Two teams of astronomers have for the first time detected the surviving notes of a cosmic symphony created just after the Big Bang, when the universe was a foggy soup of matter and radiation.

    By Ron Cowen
  2. Health & Medicine

    Antibiotics could save nerves

    Penicillin and its family of related antibiotics may prevent the type of nerve damage that occurs in people with amyotrophic lateral sclerosis (ALS) and other diseases.

    By Christen Brownlee
  3. Animals

    Sparrows learn song from pieces

    Young white-crowned sparrows don't have to hear a song straight through in order to learn it; playing the song in mixed-up paired phrases will do.