Not to be outdone by a mad scientist and his secret cache of cloned sheep, other mad scientists successfully birthed a mouse from carrying DNA DNA from two male specimens, no females added! (Well, except for that whole birthing part.) More »

Read more: http://feeds.gawker.com/~r/gizmodo/full/~3/r0WCetm_tQE/in-the-case-of-this-genetically-engineered-mouse-you-are-both-the-father