Science in Perspective

• Subscriber-Only

  Stromatolites—Rare Reminders of a Lost World

  

  Sept. 1, 2017, pp. 35–36

  In a few rare spots, geologists find fossils of strange eight-foot-tall “mushrooms.” What do they tell us about the mysterious world they came from?

• Magazine Department Article

  Redrawing the Dinosaur Family Tree

  

  Aug. 13, 2017, pp. 38–39

  The evolutionary “family tree” that ties all dinosaurs together has just been redrawn. What bigger questions does this raise?

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