What does it feel like to be a rat? We will never know, but some very unusual mice may now have an inkling. In a series of new experiments, bits of rat brain grew inside the brains of mice. Donor stem ...

NEW YORK, NY--If mice ever wonder what it’s like to experience the world as a rat, some are now able to live that dream, at least when it comes to the sense of smell. Researchers led by Columbia ...

Two research teams have demonstrated that adding rat neurons to mouse brains that were missing crucial cells could help the organs to recover function 1, 2. The experiments could help scientists to ...

Creating a functional lung using interspecies chimeric animals is an attractive albeit challenging option for lung transplantation, requiring more research on the viable conditions needed for organ ...