News

  1. Space

    More than one way to explode a star

    New observations confirm two leading theories of type 1a supernova production.

    By Nadia Drake
  2. Humans

    Rural life may boost allergy resistance

    Country kids had a greater diversity of bacteria associated with increased levels of the anti-inflammatory molecule IL-10.

    By Devin Powell
  3. Physics

    Physicists go totally random

    Calculations suggest a way to boost the independence of information flow, a finding that could help in cryptography.

    By Alexandra Witze
  4. Psychology

    When good moods go decisively bad

    Positive feelings may lead seniors to weigh fewer options and make poorer choices in some situations.

    By Bruce Bower
  5. Humans

    Crime numbers may mislead

    Criminologists argue that city safety rankings should consider underreporting and other sources of error in compiling statistics.