Uncategorized

  1. Health & Medicine

    Alzheimer’s damage might start off early

    Copper and free radicals may initiate the brain damage of Alzheimer's disease long before its hallmark protein plaques have formed.

    By
  2. Health & Medicine

    Seemingly safer steroid mimics

    A glucocorticoid mimic may offer the autoinflammatory effects of steroids with fewer side effects.

    By
  3. Health & Medicine

    Boning up with vitamin E

    Vitamin E may ward off osteoporisis—at least in mice.

    By
  4. Health & Medicine

    Saving fertility for cancer survivors?

    A compound called sphingosine-1-phosphate preserves fertility in female mice given radiation treatment.

    By
  5. Women show the ways to maturity

    A 39-year study finds three different patterns of healthy psychological development among women, each of which emphasizes particular goals and trade-offs.

    By
  6. 18954

    I was surprised that the article “Dances with robots,” while mentioning Robert Heinlein’s Starship Troopers (1959, Putnam), should speak of “master-slave telerobotic devices.” As any fan of the dean of science fiction knows, these devices are most properly called Waldos. Mark Sicking Spring Shadow, Conn. I am reading Science News on this anniversary of our […]

    By
  7. Tech

    Dances with Robots

    Soldiers, rescue workers, and others may attain superhuman strength, speed, and endurance as a result of a new military program to develop powered robotic exoskeletons contoured to a person's body.

    By
  8. Health & Medicine

    Glucose control spares arteries in diabetes

    Very strict control of blood glucose concentrations helps limit atherosclerosis formation in people with type I, or juvenile-onset, diabetes.

    By
  9. Animals

    Condor chicks hatch in zoo and wild

    Newly hatched California condor chicks indicate that reproduction is again taking place in the wild.

    By
  10. Math fears subtract from memory, learning

    In a study of college students, high levels of anxiety about taking mathematics tests interfered with memory processes needed to perform difficult arithmetic problems.

    By
  11. Animals

    Microbe lets mite dads perform virgin birth

    A gender-bent mite—in which altered males give birth as virgins—turns out to be the first species discovered to live and reproduce with only one set of chromosomes.

    By
  12. Earth

    Ozone flares with fireworks festivities

    Holiday fireworks and sparklers trigger ozone-generating chemical reactions in the lower atmosphere.

    By