A BUNCH OF STUFF
'(<a href="http://www.j-archive.com/media/2008-06-19_J_17.jpg" target="_blank">Jimmy of the Clue Crew performs a science experiment.</a>) Milk is a colloid, meaning a liquid with solid particles spread throughout; using vinegar, you can <a href="http://www.j-archive.com/media/2008-06-19_J_17a.jpg" target="_blank">separate</a> the solids, called curd, from the liquid, which is called this'
whey