http://www.ted.com Jacqueline Novogratz is the charismatic founder and CEO of Acumen Fund, a non-profit that takes a business-like approach to improving...
http://www.ted.com Howard Rheingold talks about the coming world of collaboration, participatory media and collective action -- and how Wikipedia is really...
http://www.ted.com - In a wide-ranging talk, Vilayanur Ramachandran explores how brain damage can reveal the connection between the internal structures of the...
