SCIENCE
'(<a href="http://www.j-archive.com/media/2008-01-10_DJ_14.jpg" target="_blank">Kelly of the Clue Crew rubs a balloon on her hair in the <i>Jeopardy!</i> science lab.</a>)  Rubbing a balloon builds up electrons that then attract this type of particle in a <a href="http://www.j-archive.com/media/2008-01-10_DJ_14a.jpg" target="_blank">metal can</a>, from the Greek for "first"'
protons