Pictured below (pile of yellow stuff, second from left) is an anatomically correct replica of a pound of human fat.  You can use it to teach your biology class about human anatomy, or you can take kk.org's advice and "keep it on your dinner table and watch everybody lose their appetite".  Also pictured are a liver (I think), a kidney (I think), and a five-pound wad of fat.  (via Cool Tools)
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