In this hour, TED speakers question whether we can experience the world more deeply by not only extending our senses — but going beyond them. Color blind artist Neil Harbisson can "hear" colors, even those beyond the range of sight. Physician and engineer Todd Kuiken builds prosthetic arms that connect 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 who they are. Sound expert Julian Treasure says we are losing our listening in a louder world. He shares ways to re-tune our ears for conscious listening — to other people and the world around us.