Uncategorized

  1. Animals

    Animals experience joy. Scientists want to measure it

    Scientists have long focused on quantifying fear and other negative emotions in animals. Now they’re trying to measure positive feelings — and it’s a challenge.

    By Amber Dance
  2. Cosmology

    A massive cosmic ring may challenge a key assumption about the universe

    At 3.3 billion light-years across, the ring may challenge the “cosmological principle” that the universe looks uniform at sufficiently large scales.

    By Lisa Grossman
  3. Anthropology

    This hand stencil in Indonesia is now the oldest known rock art

    The work suggests early Homo sapiens developed enduring artistic practices as they moved through the islands of Southeast Asia.