Editing Corona Pollentia (section)

===Gemma===
The Gemma is the part of the Corona Pollentia that controls the active use of a parahumans' abilities and powers, the same way there are parts of the brain that allow regular humans to coordinate and move their hands. [[Cauldron vial|Artificial]] Gemmas were known to give powers that were maladapted to stressful engagements.<ref name="21.x e1">The deviations, the ones who didn’t take to the formula, tended to fall into certain categories. There were those who had some minor physical or mental changes; they were little different from the most extreme deviations that appeared in typical trigger cases. Such deviations occurred a mere eighth of a percent of the time. They weren’t what he was thinking of.<br><br>The formula wasn’t exact. Though they learned more every day, there were still unknowns regarding powers. Whatever connection the agents formed with individuals before or during a trigger event, it didn’t manifest as strongly through the formula. When the subject was stressed, their body engaged by that distress, the connection grew weaker. - [https://parahumans.wordpress.com/2013/04/27 Excerpt] from [[Interlude 21.x]]</ref>