Subscribe to Neuro Transmissions! null or start with their video on how to train a cat to high-five: https://www.youtube.com/watch?v=VfsVw0ndFAQ We're all used to seeing MRI scans of brains. But how do they work? Can you really "see" brain activity, or read someone's mind? Alie and Micah from Neuro Transmissions went to get scanned -- and ended up having some fun with 3D printing, too.