Glasses, braces, botox and beta-blockers. Human enhancement knows many forms. Nowadays we use medical technologies more and more often, not to heal, but to improve ourselves. Fitter, happier, more productive, smarter and also more beautiful. Ira van Keulen takes a look at various options and tests your (ethical) limits. At home you can keep te discussion going with the help of the SuperHuman iPhone app, which the Rathenau Institute will launch at Border Sessions.