If you haven’t already delighted yourself with the intelligence of a TED talk, now is a great opportunity to delve in and participate in some riveting dialogue about some of the Great Challenges in health and medicine. TEDMED 2013 is underway in launching its 20 Great Challenges in Health and Medicine where you can participate in lively discussions online around complex health issues that have no silver bullet or one-size-fits all solutions, with experts from various disciplines and fields weighing in. Plenty of topics to choose from. More to come on the Great Challenges–start checking it out!