"Brains are gorgeous at the right magnification", says Mark Miller. His images are quite impressive, particularly since the neurons connecting in the brain resemble the large-scale structure of the universe.
This image of neurons growing over astrocytes in a human stem cell embryo body – taken by Dr Juan Carlos Izpisúa of the Centre of Regenerative Medicine in Barcelona – was one of the Images of Distinction in the Nikon Small World 2011 competition
Baobab trees are native to Madagascar (it's the country's national tree!), mainland Africa, and Australia. A cluster of "the grandest of all" baobab trees (Adansonia grandidieri) can be found in the Baobab Avenue, near Morondava, in Madagascar.
This computer model shows the connectivity of the neurons and 30 million connections that make up a single neocortical column (the basic building block of the cortex). The different colours correspond to different levels of electrical activity.