TThe fundamental unit of the nervous system is the neuron. Individual neurons are connected by synapses to form circuits. Evolution has driven the formation of ever more elaborate circuits to enable ...

Scientists have found 50 million reasons to study the brain of a fruit fly. That's how many connections they discovered in the first complete map— known as a connectome—of an adult insect's brain.

Scientists have mapped out how 140,000 neurons are wired in the brain of the fruit fly, Drosophila melanogaster. By Carl Zimmer A fruit fly’s brain is smaller than a poppy seed, but it packs ...