Mouse cells grown in rats cure diabetes in mice
Human-animal hybrid embryos may one day provide transplant organs
![chimeric mouse embryo](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/01/012517_TI_chimera_main.jpg?fit=860%2C460&ssl=1)
SPOT ON Researchers created a mouse embryo that contains rat cells (red). Hybrid, or chimeric, animals may eventually grow human organs to be used in transplants.
Salk Institute