NEWPORT NEWS, Virginia, May 9 -- The Thomas Jefferson National Accelerator Facility Jefferson Lab issued the following news release: * * * Fragmentation Experiment Reveals Surprising Fractured Symmetry An experiment shows that assumptions about how quark flavor influences fragmentation don't always hold true NEWPORT NEWS, VA - From the powdered wings of a butterfly to the icy spines of a snowflake, symmetry is a common feature in nature. This often even holds true down to the smallest bits o  more