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  1. Planetary Science

    Extreme weather: Massive hurricanes meet on Jupiter

    Both professional and amateur sky watchers are pointing their telescopes at Jupiter as two titanic storms in the giant planet's upper atmosphere meet each other.

    By Ron Cowen
  2. Health & Medicine

    Slowing lupus: Stifled inflammation limits kidney damage

    A new therapy for the autoimmune disease lupus works in mice by thwarting activation of immune-system proteins called complement.

    By Nathan Seppa
  3. Health & Medicine

    Taking a toll: Antiviral drugs activate immune system

    Promising antiviral drugs activate a key immune-system protein.

    By John Travis
  4. Earth

    Hard rock jellies: Throng of rare fossils found in Midwest quarry

    A Wisconsin sandstone quarry recently served up a rare scientific find nearly a half billion years in the making: fossils of an armada of jellyfish that stud the site’s stone slabs.