"New food baits for trapping house mice, black rats and brown rats"
The Gries-lab has devised "a fiendishly clever way to trick rats into getting inside a trap by exploiting their snacking preferences, the comfort of community, the promise of sexy fun time and even the cries of baby rodents to play on a mother’s instincts" (according to the Vancouver Sun).
From the papers:
(1) "New food baits for trapping house mice, black rats and brown rats" in Applied Animal Behaviour Science https://doi.org/10.1016/j.applanim.2017.11.011;
(2) "Sex hormones function as sex attractant pheromones in house mice and brown rats" in ChemBioChem (http://onlinelibrary.wiley.com/doi/10.1002/cbic.201700224/full); and
(3) "The Sex Attractant Pheromone of Male Brown Rats: Identification and Field Experiment" (http://onlinelibrary.wiley.com/doi/10.1002/anie.201511864/full).
See related stories in:
(1) the Vancouver Sun (http://vancouversun.com/news/local-news/sfu-pheromone-research-builds-a-better-rat-trap),
(2) CBC News (http://www.cbc.ca/news/canada/british-columbia/vancouver-s-persistent-rat-problem-may-have-a-solution-thanks-to-an-sfu-professor-1.4400866),
(3) Steele And Drex (CKNW) (https://omny.fm/shows/steele-drex/researchers-at-sfu-have-built-a-better-rat-trap),
(4) Vice (https://www.vice.com/en_us/article/vdxwd8/is-making-rats-hungry-and-horny-the-best-way-to-kill-them-vgtrn) and others....