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Parks Canada: Yoho National Park: The Burgess Shale
First discovered by Charles Walcott in 1909, the Burgess Shale is a UNESCO World Heritage site containing fossils dating back to the Cambrian period, 505 million years ago. This site provides the history of this area and information on...
University of Houston
University of Houston: Engines of Our Ingenuity: No. 1342: Wright and Langley
Read about the controversy that emerged over the authenticity of Samuel Pierpoint Langley's flying machine, and the response of the Wright Brothers to attempts to usurp their place in history. This is a transcript of a radio broadcast.