IT'S AN ILLUSION
'(Cheryl of the Clue Crew shows an optical illusion on the monitor.) The duck-rabbit figure with a duck's bill <a href="http://www.j-archive.com/media/2006-07-13_DJ_12.jpg" target="_blank">here</a> and a rabbit's nose <a href="http://www.j-archive.com/media/2006-07-13_DJ_12a.jpg" target="_blank">here</a> was first commented on by Joseph Jastro who studied the brain's role in perception as one of America's first professors of this'
psychology