News Health & Medicine Minus one gene, male mouse is Mr. Mom Instead of killing mouse pups, he makes a nest and gets the pups cozy. By Science News November 19, 2008 at 4:35 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print WASHINGTON — November 19 was the last day of the Society for Neuroscience annual meeting, which was attended by about 31,000 people. The day’s highlights include a mouse study showing that one gene can make a difference in gender-based behavior.