Multidisciplinary artist and TED Fellow Paul Rucker has developed his own style of cello; he puts chopsticks between his strings, uses the instrument as a drum and experiments with electronics like loop pedals. Moving between reflective storytelling and performance, Rucker shares his inspiration -- and definitely doesn't play the same old Bach

Do you ever order clothes online in different sizes and colors, just to try them on and then send back what doesn't work? Aparna Mehta used to do this all time, until she one day asked herself: Where do all these returned clothes go? In an eye-opening talk, she reveals the unseen world of "free" online returns -- which, instead of ending up back on the shelf, are sent to landfills by the billions of pounds each year -- and shares a plan to help put an end to this growing environmental catastrophe.