MAKING A MINI BRAIN
In 2013, scientists put these
into a machine called a and tossed them in a bath of nutrients and proteins until they turned into brain cells. Amazingly, they self-assembled into complex, multipart, functional structures similar to embryonic human brains — except they are the size of a lentil.
INTO THE MIND OF A MOUSE
Now several research teams managed to implant human mini-brains into the brains of mice and rats. In various experiments, human brain bits connected to blood supply, grew new neurons, and lit up when stimulated. An is a cell, tissue or organ transplant from a different member of your own species.
USE IT IN A SENTENCE
induced pluripotent stem cells
bioreactor What are the ethical implications of putting human brains into rodents? Tune in Friday at 12 p.m.