Blonde doing Ph.D

navin
A blonde got tired of being the butt of jokes and decided to do her Phd. She was looking out for a unique subject to write her thesis when she saw a cockroach.

She placed the cockroach on the table and cut one of its legs. Then she said "WALK". The cockroach moved forward.

She cuts its second leg and commanded "WALK" The cockroach manages to moves forward.

She cuts its third leg and commanded "WALK". The cockroach manages to wriggle forward on three legs.

Finally she cuts its fourth leg and said "WALK". The poor cockroach could not move and lay helplessly on the table. He repeats the same with over 1000 cockroaches.

Shee finds that the results in all his experiments match.

She is jubiliant, "NOW" says the blonde "MY THESIS IS READY" and proceeds to write it.

"WHEN YOU CUT FOUR LEGS OF A COCKROACH IT BECOMES DEAF"