Uncategorized

  1. Animals

    Bacterial compounds may be as good as DEET at repelling mosquitoes

    A bacterium’s metabolic by-products are as effective as DEET in deterring Aedes aegypti mosquitoes.

    By Laurel Hamers
  2. Anthropology

    An ancient child from East Asia grew teeth like a modern human

    Choppers from a youngster with an unknown evolutionary background indicate that hominids evolved a humanlike life span in East Asia by 100,000 years ago.

    By Bruce Bower
  3. Tech

    These robots can follow how-to diagrams

    Robots capable of reading diagrams could work in more varied environments and be easier to communicate with.

    By Maria Temming
  4. Paleontology

    A four-legged robot hints at how ancient tetrapods walked

    Using fossils, computer simulations and a life-size walking robot, researchers re-created how an early tetrapod may have made tracks.