Mini-brains grown in a lab are pushing ethical boundaries

Earlier this year, US team announced they had grown a mini-brain with neural activity similar to that seen in a preterm infant. The ability to feel or experience the world around them, may be just around the corner — and all the ethical implications it brings.

Scientists Grew a Mini-Brain in a Dish

After years of work, researchers in the UK have now cultivated one of the most sophisticated miniature brains-in-a-dish yet, and it actually managed to behave strange by spontaneously connecting itself to the nearby tissue.