ScienceThe lab full of mini brains (with 'eyes')To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceConor Dillon | Gabriel Borrud12/09/2021December 9, 2021If a free-floating brain could feel pain or 'wake up,' would we know? That question was important enough for us to travel to Düsseldorf, Germany.https://p.dw.com/p/443adAdvertisement