64 = 65 math puzzle: By Eugene Volokh on August 26, 2004 8:47 am in Puzzles, Uncategorized +OK Continue Reading
Famous European scientists and inventors, by country: By Eugene Volokh on July 12, 2004 10:00 am in Puzzles, Uncategorized +OK Continue Reading
Concavity geography puzzle: By Eugene Volokh on May 17, 2004 2:10 pm in Puzzles, Uncategorized +OK Continue Reading
New geography puzzle: By Eugene Volokh on May 11, 2004 4:57 pm in Puzzles, Uncategorized +OK Continue Reading