26 September

26 September · 06:20 UTC

Who says scientific journals are boring? http://www.nature.com/news/sexual-competition-among-ducks-wreaks-havoc-on-penis-size-1.22648?WT.mc_id=SFB_NNEWS_1508_RHBox

Nick Dee shared a link.

External context: http://www.nature.com/news/sexual-competition-among-ducks-wreaks-havoc-on-penis-size-1.22648?WT.mc_id=SFB_NNEWS_1508_RHBox