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  1. 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
  2. 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.

    By Carolyn Gramling
  3. Planetary Science

    Two daring spacecraft aim to bring asteroid dust back to Earth

    A pair of daredevil spacecraft that aim to bring asteroid dust back to Earth have reached their targets and are scouting for the best sampling spots.

    By Lisa Grossman
  4. Health & Medicine

    A new 3-D printed ‘sponge’ sops up excess chemo drugs

    Researchers have created “sponges” that would absorb excess cancer drugs before they spread through the body and cause negative side effects.