Vol. 158 No. #2

More Stories from the July 8, 2000 issue

  1. Tech

    Magnifier May Crack Crimes, Crashes

    Gumshoes equipped with a novel device for magnifying magnetic fields may spy clues on damaged, erased, or deliberately corrupted audio tapes and other magnetic media.

    By
  2. Earth

    Enjoy the beach. . .while it’s still there

    Up to a quarter of the structures within 500 feet of America's coastlines may be lost to erosion in the next 60 years, according to a report issued by the Federal Emergency Management Agency last week.

    By
  3. Health & Medicine

    DNA vaccine for measles shows promise

    A measles vaccine consisting of just a couple of DNA strands proves effective in monkeys, possibly presenting an alternative or complementary vaccine for the standard immunization now used worldwide.

    By
  4. Anthropology

    Gene test probes Neandertal origins

    A new DNA study supports the theory that Neandertals didn't contribute to the evolution of modern humans.

    By
  5. Animals

    He and she cooperate on anti-aphrodisiacs

    Scientists have for the first time identified a chemical that serves as a butterfly anti-aphrodisiac.

    By
  6. Chemistry

    Lakes reveal low phosphate concentrations

    Researchers using a new technique have found that previous measurements of phosphate, an important nutrient in lake ecosystems, have grossly overestimated its concentration.

    By
  7. Mice can thank a hormone for the memories

    Oxytocin, a hormone previously implicated in mammalian sexual and maternal behavior, may play a role in social recognition in mice.

    By
  8. Health & Medicine

    Stress-prone? Altering the diet may help

    Tailoring a diet to fuel the brain with the precursor of a mood-enhancing chemical may help vulnerable individuals cope with stress.

    By
  9. Astronomy

    Stars’ wobbles reveal six more planets

    Swiss astronomers have found indirect evidence of six additional planets that lie outside the solar system, bringing the tally to more than 40.

    By
  10. Astronomy

    Gamma-ray craft plunges into Pacific

    As planned, NASA's Compton Gamma Ray Observatory, which had detected some of the highest-energy radiation in the universe for 9 years, crashed into the Pacific Ocean on June 4.

    By
  11. Checking up on abuse memories

    An unusual trove of evidence in a criminal case supports the accuracy of recall of childhood sexual abuse.

    By
  12. Energy-efficient brains

    Successful problem solving depends on a brain that efficiently lessens its workload rather than laboring harder.

    By
  13. Why is that wasp helping?

    Researchers have found nests of a social insect with helpers that are neither close kin nor slaves.

    By
  14. Weevils pick on someone their own size

    A horned weevil can't pick a real fight with a male too big for him because the bigger one can't get a good grip.

    By
  15. Trilobites might have invented farming

    A close look at fossils raises the possibility that a type of trilobite farmed bacteria.

    By
  16. Health & Medicine

    Heart risks linked to infertility syndrome

    Women with polycystic ovaries—commonly linked to infertility—are more likely than women without the disease to show early signs of heart disease.

    By
  17. Health & Medicine

    Being a dad comes naturally

    Men whose wives are about to give birth show hormonal fluctuations that may predispose them to better parenting behavior.

    By
  18. Planetary Science

    Forgotten Planet

    Mercury: The solar system's inner frontier.

    By
  19. Health & Medicine

    Sobering Work

    Unraveling alcohol's effects on the developing brain.

    By