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  1. Tech

    Transferred Touch: Sensory rewiring to improve prosthetics

    Transferring a lost limb's nerves to other areas of the body might one day permit an amputee to feel the heat of a coffee cup with an artificial hand.

    By Aimee Cunningham
  2. Health & Medicine

    Ingredient Shuffle: A trans fat substitute might have risks too

    A controversial trial of a chemically modified fat called an interesterified fat suggests that it is more harmful than is a trans fat–rich, partially hydrogenated vegetable oil.

    By Ben Harder
  3. Earth

    Why So Dry? Ocean temperatures alone don’t explain droughts

    Evidence from ancient dunes points to three periods of prolonged drought in the U.S. Great Plains, but finding their causes may be more complex than previously supposed.