Humon's illustrated (and explained) animal mating habits. [somewhat NSFW]
posted by cthuljew on Dec 15, 2012 - 15 comments

Nature constantly engineers new and creative solutions to all sorts of problems—turning our stereotypes about sex upside-down along the way.
posted by Brandon Blatcher on Sep 17, 2012 - 16 comments

Sexual ornaments grow out of all proportion It seems that men will be men throughout the animal kindom, not just our little lonely corner of of it. Most body parts grow proportionally with the rest of the body as individuals of a species become larger, although scientists have long known that visual cues of reproductive prowess are a special case. But is this the case with everyone?
posted by pezdacanuck on May 23, 2006 - 41 comments

Female X chromosome 'cracked' - "The discovery, by an international consortium of scientists, shows that females are far more variable than previously thought and, when it comes to genes, more complex than men." Nature reports two new studies; one on the complete sequencing of the X chromosome for humans, which sheds some light on how sex evolved and how women differ from men, and another on how women express many genes from X chromosomes previously thought dormant.
posted by kliuless on Mar 16, 2005 - 31 comments

Yikes! The strange case of the homosexual necrophiliac duck pushed out the boundaries of knowledge in a rather improbable way when it was recorded by Dutch researcher Kees Moeliker.
posted by Shanachie on Mar 8, 2005 - 17 comments

Mother Earth is Lookin' Good These Days --Maybe I just have a lack of culture, but I didn't know anything about earth erotica photography. Also didn't know if I should be viewing the site at work.
posted by DailyBread on Oct 17, 2002 - 24 comments