that s how many siblings joined the high i.q. club mensa. the quadruplets of texas are 17 years old and to join the club, the i.q. s have to be higher than 98% of the united states. look forward to seeing them. speaking of high i.q. s, all time jeopardy! champ ken jennings has proven he s a tough opponent for any man or woman. what s america the beautiful? what are the yellow pages? ken? who are the power rangers. what is on the town. what s a gastropod? what about a computer opponent? watson? who is c. s. lewis. yes. watson sf what is cactus? yes. who is henry viii. this showdown isn t over. he has one more chance to beat watson the machine.