To uncover what drives sexual behavior in animals, researchers studied the brain activity of male mice throughout the ... The researchers found that mouse brains started to release acetylcholine ...

While this internal rivalry is usually hard to see, it becomes clearer when it involves genes on the X and Y chromosomes, ...

In evolutionary terms, fitness is defined as an organism's ability to survive and reproduce its genes into the next ...

To see if the reawakening of PLP1 might boost cognition, the scientists ran some experiments with male and female mice. In ...