Last year, I blogged about a new and very pretty way of displaying the data about the human 'connectome' - the wiring between different parts of the brain. But there are many beautiful ways of visualizing the brain's connections, as neuroscientists Daniel Margulies and colleagues of Leipzig discuss in a colourful paper showcasing these techniques. Here, for example, are two ways of showing the brain's white matter tracts, as studied with diffusion tensor imaging (DTI):