The new Firefly microscope is optimized to perform optogenetic studies examining many neurons at once. Each bright spot here represents a neuron from a genetically modified mouse. Credit: Vaibhav Joshi, Harvard University

How to see neurons in the dark

December 5, 2017

Walk outside on a clear summer twilight and you might see hundreds of minute lights spark and glow. Together, fireflies, which produce chemical light through bioluminescence, display a celestial pattern unlike anything on earth. Or, more precisely, unlike anything visible to our unassisted eyes.... Read more about How to see neurons in the dark