Scientists sniff out female mouse scents that make males frisky
Scientists have identified two chemical scents in the urine of female mice that arouse sexual behavior in males, a discovery that shines a spotlight on how mouse pheromones control behavior.
Altering mix of gut microbes prevents obesity, but diet remains key factor
The mix of microbes living inside the gut can protect against obesity, but a healthy diet is critical, according to School of Medicine scientists who transplanted intestinal microbes from obese and lean twins into mice and fed the animals different diets. Pictured are researchers Vanessa Ridaura, a graduate student, and Jeffrey I. Gordon, MD, director of the Center for Genome Sciences and Systems Biology.