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  1. Health & Medicine

    Vaccine Gains: Shot protects seniors from shingles flare-ups

    An experimental vaccine prevents half of all cases of shingles, a painful skin disease that typically afflicts the elderly.

    By Nathan Seppa
  2. Tech

    Smart Trap: Nanosensor tracks major brain chemical

    The study of neurological diseases and brain functions could get a lot more precise with the invention of an optical sensor that can closely monitor a key chemical in the brain.

    By Alexandra Goho

  3. Decoding Garlic’s Pizzazz: Extract stimulates taste, temperature receptors

    Raw garlic's characteristic spiciness stems from its capacity to open channels on nerve cells that react both to tastes and noxious temperatures.

    By Christen Brownlee

  4. Investing on a Whiff: Chemical spray shows power as trust booster

    Individuals who smell a brain hormone known as oxytocin become unusually trusting of others in financial transactions.