Turns out—male roundworms are picky when choosing a mate, new research finds
University of Rochester Medical CenterThe Portman lab at the Del Monte Institute for Neuroscience at the University of Rochester discovered that the male roundworms use pheromones and touch signals to determine the sex, age, nutritional health, and mating history of the hermaphrodites and show preference toward worms that have not previously mated with another male and are nutritionally healthy.