Uncategorized

  1. Anthropology

    New dates narrow down when Denisovans and Neandertals crossed paths

    Mysterious ancient hominids called Denisovans and their Neandertal cousins periodically occupied the same cave starting around 200,000 years ago.

    By Bruce Bower
  2. Artificial Intelligence

    A new AI training program helps robots own their ignorance

    AI systems struggle to know what they don’t know. Now scientists have created a way to help autonomous machines recognize their blind spots.

    By Maria Temming
  3. Health & Medicine

    Chinese ‘tweets’ hint that happiness drops as air pollution rises

    A study of more than 210 million social media posts reveals a link between people’s sense of well-being and pollution.

    By Sujata Gupta
  4. Artificial Intelligence

    This robot learned not to mess with other people’s stuff

    Ownership-respecting robots could soon understand the difference between chucking a Styrofoam cup and someone’s favorite mug.