During The screening period of Gagliano's experiment, the pea seedlings were being put in several Y-pipes and subjected to the admirer by itself. Their direction of growth was subsequently recorded. The 'appropriate' response with the seedlings was deemed to be growing in to the arm wherever the light was "predicted" http://biz.godwebs.com/bbs/board.php?bo_table=free&wr_id=326862