Stories tagged by 'Ferdinand Vandiveer Hayden'
October 28, 2011
Why did the Sioux believe an 1850s fossil collector was an odd character? » Read More
October 07, 2011
What is the thickest book in the Academy's Library & Archives?
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Tarantulas: Alive and Up Close
January 30–May 30
Explore the work of the Delaware River Watershed Initiative
Members' Night at the Academy