News

  1. Earth

    Magnitude 7.8 earthquake hits Iran

    Casualties reported in nearby Pakistan from temblor.

    By Erin Wayman
  2. Health & Medicine

    Bioengineered kidney transplanted into rat

    Cleansed of cells and repopulated anew, bioengineered organ successfully produces urine.

    By Nathan Seppa
  3. Cosmology

    Dark matter detector reports hints of WIMPs

    Experiment hundreds of meters underground detects three candidate signs of dark matter, though physicists are cautious about the finding.

    By Andrew Grant
  4. Humans

    Group size affects racial makeup of friend groups

    Larger settings seem to promote segregation, simulation finds.

    By Rachel Ehrenberg
  5. Humans

    Ardi’s kind had a skull fit for a hominid

    Study of reconstructed skull section puts 4.4-million-year-old