Tuesday, May 22 12 p.m. (ET)

Entrepreneurship, Technology and International Development

Broadband internet and cell phones have dramatically changed our day-to-day lives in the America. But the same technologies are have surprising impacts in developing countries. From wireless hubs in rural India to new socially responsible...

Tuesday, May 22 1 p.m. (ET)

Prosthetics and Competitive Sports

Advancements in science are forcing the sports world to reconsider what it means to be disabled. Aided by sophisticated prosthetics, amputees are pursuing everything from track and field to rock climbing -- and many are competing against...

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