Mario was so confused by the terms that the scientist used in conversing with him that his brows creased and his forehead formed deep lines. He had no idea what he meant but he was so eager to know -- was that a good thing or a bad thing? Since he wasn't used to science terms, he wanted a more elaborate answer than the one that he was receiving.
"Please, Mr Kleb, I have no idea what you are talking about now. Is that supposed to be a good thing or a bad thing?" Mario inquired of him as he came closer to where he was at that table.