Researchers in Sweden have developed tiny vesicles that reduced damage to brain cells in mice infected with bacteria that cause meningitis.  Bacterial meningitis affects the protective lining of the…

Regeneration is a trick many animals, including lizards, starfish, and octopuses, have mastered. Axolotls, a salamander species originating in Mexico, can regrow pretty much everything from severed limbs,...

For many species, producing an embryo is a bit of a contest between males and females. Males want as many offspring as possible, and want the females to devote as many resources as possible to each of...

For the first time that we know of, mice with two fathers have survived to adulthood, but the methods used would be

By modifying 20 regions of the genome, scientists successfully bred mice with two male parents and raised them to maturity.