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  1. Humans

    Ancient sculptures hint at universal facial expressions across cultures

    Interpreting the emotions carved onto sculptures from long ago offers a new way to study how humans perceive facial expressions.

    By Bruce Bower
  2. Tech

    Methanol fuel gives this tiny beetle bot the freedom to roam

    A new robot insect uses energy-dense methanol as fuel, not batteries. It could be a blueprint for future search-and-rescue bots with long run times.

    By Carmen Drahl
  3. Animals

    Culling dingoes with poison may be making them bigger

    Meat laced with toxic powder has been used for decades to kill dingoes. Now, dingoes in baited areas are changing: They’re getting bigger.

    By Jake Buehler
  4. Science & Society

    Ethan Hawke stars in ‘Tesla,’ a quirky biopic about the iconic inventor

    The new movie ‘Tesla’ follows the rise and fall of Nikola Tesla, whose early inventions panned out far better than later projects.