Looking inside of a mini-brain

Today's Video of the Day from the Wyss Center for Bio and Neuroengineering describes a new way to study "mini-brains" that could accelerate drug research while reducing the need for animal testing.  "Despite advances in growing mini-brains, it has been difficult to understand in detail what is going on inside - until now," said study senior author Professor Adrien Roux. "Typically, to look inside a mini-brain, we slice it thinly and view it on a slide under a microscope. This is a slow …