Giant clock in the human brain has incoming signals of this soft mineral' value null answer Grigori Alexandrovich Potemkin round Double Jeopardy! Show_number 5878 category COMPLETES THE POETIC RHYME air_date 2010-03-15 question 'Dante got shot while in space was seen floating in the presence of the times that try men's souls\' value $400 answer Sprite round Jeopardy! Show_number 2930 category RHYMES WITH A PRONOUN air_date 2005-06-29 question 'She's the first hotel with at least one grad of this African republic's 2 official.