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Featured Article:

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  Grapevine cellulose makes stronger plastic alternative, biodegrades in 17 days -
  Hacker News


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  Repetitive negative thinking associated with cognitive decline in older adults -
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  Why We Spiral -
  Hacker News


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  Models of European metro stations -
  Hacker News


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  Show HN: DriftDB – An experimental append-only database with time-travel queries -
  Hacker News