In a presentation that can only be described as epic, comedian Charles Fleischer delivers a hysterical send-up of a time-honored TED theme: the map. Geometry, numbers, charts and stamp art also factor in (somehow), as he weaves together a unique theory of everything called "Moleeds."

What's the science behind a sublime perfume? With charm and precision, biophysicist Luca Turin explains the molecular makeup -- and the art -- of a scent.

In this Talk, agripreneur Carlos Ignacio Velasco Castrillon talks about transforming the cacao industry in Colombia for the benefit of poor smallholder farmers, which is also serving to provide coffee farmers an alternative crop since climate change is making the production of coffee beans far more challenging.