TED ed What are mini brains?

Shielded by our thick skulls and swaddled in layers of protective tissue, the human brain is extremely difficult to observe in action.

Luckily, scientists can use brain organoids — pencil eraser-sized masses of cells that function like human brains but aren’t part

of an organism — to look closer. How do they do it? And is it ethical? Madeline Lancaster shares how to make a brain in a lab.

Credits

Animation and Direction - Adam Wells

Educational Content - Madeline Lancaster

Production - Ted Ed