He and his colleagues had done it with a sci-fi-worthy experiment that recorded every blip of brain activity in a transparent baby zebra­fish, a landmark feat published just a year earlier in the ...

Dodt's solution is to first render the whole brain transparent by immersing it in an oily solution that prevents any light-scattering that might cloud the image. Then he slices with light instead ...

When placed on the surface of the brain, this thin, flexible implant enables researchers to capture high-resolution information about neural activity deep inside the brain without damaging its ...