News

  1. Earth

    Outside-In: Clearing up how cloud droplets freeze

    A fresh look at old experimental data suggests that water droplets in clouds freeze from the outside inward rather than from their core outward.

    By Sid Perkins
  2. Computing

    Loony Tunes: Bugs blare in software set to music

    A novel way of converting computer programs into familiar-sounding music helps programmers locate errors in their code.

    By Peter Weiss
  3. Astronomy

    Cosmic Couple: One galaxy, two gravitational beasts

    Astronomers welcomed the discovery of two black holes in one galaxy, which confirms some ideas about how galaxies and black holes merge and evolve.

    By Carol Marzuola
  4. Earth

    Rural living may hobble sperm

    An epidemiological study provides evidence that sperm concentrations in men residing in rural areas are significantly lower than those of men living in urban centers.