Researchers uncover the nuanced mating behaviors of nematodes, revealing a complex interplay between hermaphroditic and female roundworms in their quest for reproduction. While females actively seek out males, tracking them by smell for mating, hermaphrodites exhibit a starkly different approach, avoiding mating until they deplete their sperm supply. This research not only enhances our understanding of nematode reproductive strategies but also offers insights into the genetic mechanisms of attraction and behavioral evolution. semination.