When scientists opened the doors of a research facility and let carefully bred lab mice loose into a fenced field, they expected skittish, fragile animals to struggle. Instead, the mice rapidly shed ...

New research suggests that the commonly used ‘lab mouse’ may display behaviors entirely distinct from their wild-derived counterparts, prompting new considerations for the future of animal-based ...

For generations, laboratory mice have lived and died under fluorescent lights, their world reduced to plastic cages and standardized pellets. When researchers finally moved some of these animals into ...

Li Zhang has anesthetized a lot of mice in his research career. Several years ago, the University of Southern California neuroscientist's team began noticing that sometimes, when they placed an ...

NPR's Ayesha Rascoe asks Li Zhang, professor of physiology and neuroscience at USC's Keck School of Medicine, how mice perform first aid on each other. The instinct to help a fellow creature runs deep ...

Pheromones—chemicals produced by animals—are well-known for influencing the social and sexual behavior of members of the same species. These chemical signals convey vital information, such as gender ...