Uncategorized

  1. Animals

    Some snakes lack the ‘hunger hormone.’ Experts are hungry to know why

    The complex biology of ghrelin, the hunger hormone, has researchers wondering how its absence helps snakes last a long time with no food, if at all.

    By Andrea Lius
  2. Tech

    The Story of Stories traces the arc of storytelling across human history

    In The Story of Stories, technologist Kevin Ashton explores how storytelling has evolved and why stories matter.

    By Laura Sanders
  3. Artificial Intelligence

    Real-world medical questions stump AI chatbots

    Subtle shifts in how users described symptoms to AI chatbots led to dramatically different, sometimes dangerous medical advice.

    By Tina Hesman Saey
  4. Oceans

    Evolution didn’t wait long after the dinosaurs died

    New plankton arrived just a few millennia — maybe even decades — after the Chicxulub asteroid, forcing a rethink of evolution's catastrophe response speed.