On April 19, 1943 Swiss chemist Dr. Albert Hoffman took the world's first LSD trip, which included a rather harrowing bicycle ride home from his lab that day. For the next sixty years, Hoffman would be fascinated by his famous "problem child," a powerful molecule that changed the course of history. 

Comedian Shane Mauss ("A Better Trip") tells us the story of Bicycle Day, which is now celebrated around the world. 

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