You know anybody who needs an "anti-stupid" pill? Mon Aug 7, 8:30 AM ETBERLIN (Reuters) - A German scientist has been testing an "anti-stupidity" pill with encouraging results on mice and fruit flies, Bild newspaper reported Saturday. It said Hans-Hilger Ropers, director at Max-Planck-Institute for Molecular Genetics in Berlin, has tested a pill thwarting hyperactivity in certain brain nerve cells, helping stabilize short-term memory and improve attentiveness."With mice and fruit flies we were able to eliminate the loss of short-term memory," Ropers, 62, is quoted saying in the German newspaper, which has dubbed it the "world's first anti-stupidity pill."