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Artist Neil Harbisson, who was born completely color blind, "hears" color, which allows him to experience an element that was once invisible. Physiatrist and engineer Todd Kuiken  is building a prosthetic arm that connects with the human nervous system — improving motion, control and even feeling. Speech scientist Rupal Patel creates customized synthetic voices that enable people who can't speak to communicate in a unique voice that embodies their personality. Sound expert Julian Treasure, who says we are losing our listening in a louder world, shares ways to re-tune our ears for conscious listening — to other people and the world around us. 

Learn more or listen again to this week's episode, which originally aired on March 9, 2014.

Banner image: iStockPhoto


Guy Raz