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Leap Year: A History

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Leap Year: A History

Leap Year: A History

Leap Year: A History

  • Download
  • <iframe src="https://www.npr.org/player/embed/1723634/1723635" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

NPR's Liane Hansen speaks with Dr. Jim Lattis, director of the University of Wisconsin's Space Place, about the origins of the leap year.