You don't even have to know about percentages of bacteria on surfaces, armchair thinking itself can reveal the contradictions. So Emely for instance thinks it's okay to touch the door-handle that Peter's hand touched, but not Peter's hand.
You don't even have to know about percentages of bacteria on surfaces, armchair thinking itself can reveal the contradictions. So Emely for instance thinks it's okay to touch the door-handle that Peter's hand touched, but not Peter's hand.