News

  1. Anthropology

    Hominids may have been cutting-edge tool makers 2.6 million years ago

    Contested finds point to a sharp shift in toolmaking by early members of the Homo genus.

    By Bruce Bower
  2. Life

    Gut bacteria may change the way many drugs work in the body

    A new survey of interactions between microbes and medications suggests that gut bacteria play a crucial role in how the body processes drugs.

    By Maria Temming
  3. Health & Medicine

    A fungus weaponized with a spider toxin can kill malaria mosquitoes

    In controlled field experiments in Burkina Faso, a genetically engineered fungus reduced numbers of insecticide-resistant mosquitoes that can carry malaria.

    By Tina Hesman Saey
  4. Chemistry

    Vaping the sweetener sucralose may produce toxic chemicals

    Sucralose in e-liquids can break down, increasing toxic aldehydes in vapors and producing harmful organochlorines, including a potential carcinogen.