Latest Issue of Science News

cover.jpg

January 8, 2000

  • News

    Operation overload: Kids' backpacks

    Sixth-graders in Italy routinely carry school backpacks that equal, on average, 22 percent of their body weight, a finding researchers link to an earlier report that more than 60 percent of children in this age group had experienced low-back pain more than once.
  • News

    Hysterectomy often improves sex life

    A study of more than 1,000 women who had hysterectomies finds that after the operation, women generally wanted and had sex more often, were more likely to reach orgasm, experienced less vaginal dryness, and were less likely to have pain during sex than was the case before surgery.
  • Feature

    A Dark View of the Universe

    Two new studies suggest that galaxies may be surrounded by vast halos of dark matter extending at least 1.5 million light-years from each galaxy's center.
  • Feature

    Catch a Wave

    Detection of gravitational waves predicted by Einstein's 1916 general theory of relativity may finally occur, thanks to a new generation of laser-based observatories.
  • Feature

    Ishi's Long Road Home

    The reappearance of a California Indian's preserved brain, held at the Smithsonian Institution since 1917, triggers debate over the ethics of anthropological research and the repatriation process.
  • News

    The moon also rises—and assumes new sizes

    The perplexing human tendency to perceive a moon on the horizon as larger than an elevated moon may arise from visual cues indicating that the horizon moon is located much farther away.