Uncategorized

  1. Genetics

    A genetic parasite may explain why humans and other apes lack tails

    Around 25 million years ago, a stretch of DNA inserted itself into an ancestral ape’s genome, an event that might have taken our tails away.

    By Erin Garcia de Jesús
  2. Artificial Intelligence

    Why large language models aren’t headed toward humanlike understanding

    Unlike people, today's generative AI isn’t good at learning concepts that it can apply to new situations.

    By Tom Siegfried
  3. Animals

    The Brazilian flea toad may be the world’s smallest vertebrate

    Brazilian flea toads are neither a flea nor a toad, but they are almost flea-sized. The frogs are small enough to fit on a pinkie fingernail.