by Jen­nifer Gutier­rez — X‑ray vi­sion, once the ex­clu­sive do­main of Su­per­man and his su­per hero kin, is now a tool in the bi­o­log­i­cal re­searchers kit. Granted, not every re­searcher has ac­cess to this su­per­power; the re­quired syn­chro­tron light sources are found only at large re­search fa­cil­i­ties that hap­pen...