News

  1. Health & Medicine

    Changes in malaria parasite may make Africans more susceptible

    Ominous signals are emerging simultaneously in population studies and under the microscope that Plasmodium vivax, a malaria parasite well known in Asia and Latin America, may have found a way to infect Africans.

    By Nathan Seppa
  2. Genetics

    Dogs’ origins lie in Europe

    First domesticated canines did not live in China or Middle East, a study of mitochondrial DNA finds.

    By Tina Hesman Saey
  3. Physics

    Single photon detected but not destroyed

    Researchers build first instrument that can witness the passage of a light particle without absorbing it.

    By Andrew Grant
  4. Health & Medicine

    Prion mutation yields disease marked by diarrhea

    Rare prion ailment starts in adulthood, attacking the gut before brain.