News in Brief Physics American Physical Society meeting Gas sheds light on dark matter, plus cosmic ray clusters and blue-light imaging in the news By Science News May 6, 2011 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 American Physical Society April Meeting, Anaheim, Calif., April 30–May 3Gas map A 3-D map of gas in the far reaches of the universe could shed new light on dark matter. Using a 2.5-meter