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  1. In Pursuit of the Briefest Beat

    Attosecond pulses of light could open electrons’ fast-paced world.

    By Charles Petit

  2. Stomach’s Sweet Tooth

    Turns out taste is not just for the tongue.

    By Rachel Ehrenberg
  3. Physics

    Supertwisty light proposed

    Researchers suggest a never-before-imagined property of electromagnetic fields that could one day yield new types of sensors.

    By Alexandra Witze
  4. Life

    Ingredients of hagfish slime revealed

    Figuring out the ingredients still doesn’t explain how the fishes avoid premature mucus explosions

    By Susan Milius

  5. Contemplating future plans for particle colliders

    Caltech physicist Barry Barish is the director of the global design effort for the International Linear Collider, which is currently in the planning stages.