Uncategorized

  1. Space

    The International Space Station lacks microbial diversity. Is it too clean?

    Hundreds of surface swabs reveal the station lacks microbial diversity, an imbalance that has been linked to health issues in other settings.

    By Nora Bradford
  2. Science & Society

    Married men are doing more cleaning and laundry than in the past

    Some scholars argue that efforts to equalize the time men and women spend on housework has stalled. An analysis reveals slow progress.

    By Sujata Gupta
  3. Artificial Intelligence

    More brainlike computers could change AI for the better

    New brain-inspired hardware, architectures and algorithms could lead to more efficient, more capable forms of AI.

    By Kathryn Hulick
  4. Archaeology

    Humans moved into African rainforests at least 150,000 years ago

    This oldest known evidence of people living in tropical forests supports an idea that human evolution occurred across Africa.