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 Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to 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.