News

  1. Chemistry

    Why once-gold ceilings in Spain’s Alhambra palace have purple stains

    Moisture infiltrated flawed gilding at the iconic palace, leading to corrosion that deposited gold nanoparticles of the right size to appear purple.

    By Carmen Drahl
  2. Animals

    DNA reveals donkeys were domesticated 7,000 years ago in East Africa

    When and where donkeys were domesticated has been a long-standing mystery. DNA now reveals they were tamed much earlier than horses.

    By Freda Kreier
  3. Neuroscience

    An AI can decode speech from brain activity with surprising accuracy

    Developed by Facebook’s parent company, Meta, the AI could eventually be used to help people who can’t communicate through speech, typing or gestures.

    By Jonathan Moens
  4. Paleontology

    Living fast may have helped mammals like ‘ManBearPig’ dominate

    Staying in the womb for a while but being born ready to rock may have helped post-dinosaur mammals take over the planet.