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The cover of MIT Technology Review shows Buzz Aldrin, second man to set foot on the moon, with a caption reading: "You promised me Mars colonies. Instead I got Facebook."
Have we really stopped solving the big problems?
Hosts Phil Bowermaster and Stephen Gordon examine whether human achievement has peaked.
Will we ever go back to the moon or beyond?
Will we ever make progress on the great challenges humanity faces -- war, poverty, disease, the environment?
Will we ever live in a "City of the Future?"
Tune in and find out!
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