It’s a new way to create “bi-paternal” mice that can survive to adulthood—but human applications are still a long way off.

Deer mice construct spherical or cup-shaped nests of shredded plant fibers, fur, and feathers under logs, stumps, rocks in the abandoned dens of other mammals, but prefers natural cavities of tress.

These small rodents, which weigh between 10 and 13 grams, are known to “sing” complex, tuneful calls to communicate with one another, particularly during moments of territorial dispute.

In the wild, these reptiles are known to feed on small mice and make quick work of catching their prey. Many of the larger lizards consume small mice, and while live prey isn’t generally fed to ...

These aren’t the first mammals with same-sex parents – mice with two mothers were first created in 2004, and while unusually small, they appeared to live even longer than normal. But creating ...

Of two genetically identical mice, how can one be small and another fat? Research on epigenetic changes resulting from the environment can give us clues into obesity in mice--and humans.