"BI"OLOGY
'(<a href="http://www.j-archive.com/media/2005-06-08_DJ_10.jpg" target="_blank">Jimmy of the Clue Crew points to an easel-sized rendition of Da Vinci's <i>Vitruvian Man</i>.</a>)  It's the mirror image quality seen in all vertebrates, including you and me'
bilateral symmetry