Mice raised with human brain cells produce faster learners -- and interesting ethical questions. ->
Mice prefer low-calorie food if they have to put more effort into getting it.
By exploring the role of a protein in mice brains, scientists discover its role in memory consolidation
A mouse genetically engineered to age faster is tweaked to experience reverse aging.
Human settlement history over the last 1000 years is reflected in the genetic sequence of mouse mitochondrial DNA.