SCIENCE
'(<a href="http://www.j-archive.com/media/2008-01-10_DJ_08.jpg" target="_blank">Kelly of the Clue Crew reports from the <i>Jeopardy!</i> science lab.</a>)  Iodine reacts with this carbohydrate in food; if it's present, the iodine turns a <a href="http://www.j-archive.com/media/2008-01-10_DJ_08a.jpg" target="_blank">bluish-black color</a>'
starch