Rats can navigate mazes, even when blind
Prosthetic compass wired into brain substitutes for sight
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/04/ay_blindrat_free.jpg?fit=860%2C460&ssl=1)
SENSE OF DIRECTION Blind rats have learned to successfully navigate complex mazes with the help of a prosthetic compass and microchip wired into their brains.
Yuji Ikegayaand Hiroaki Norimoto/University of Tokyo