UPDATE: We have a winner, whose name will be announced just prior to the next Weekend Genius Challenge on Saturday, February 9. Thanks for playing! The fact that it's Super Bowl Weekend has overshadowed (pun intended) the notion that it's also Groundhog Day. Lest our furry forecasting friends get lost in the shuffle, we offer this Weekend Genius Challenge: We took the words "GROUNDHOG DAY" and found as many last names as we could using those letters. Twenty of those are listed below. Your job? Fill in... READ ON

Being a genius is hard work. (I'm not saying that I'm a genius... it's a gimmick... just pretend with me.) As researchers and writers, my wife Kara and I spend long hours on the PC, at the library, at the bookstore, on the phone, and doing whatever else is necessary to find the information we need. As a result, we don't have time to cook three-course dinners, and we survive mostly by finding things to put between two slices of bread. You may know this as a "sandwich." Long ago, Kara admitted to me that... READ ON

It's Weekend Genius Challenge #16, but we've gone all the way up to ninety-nine this time around. We've extracted snippets from 12 songs that contain the word "ninety-nine" in their lyrics, and squeezed them together into one quick-shot medley. Your task? Identify the artists behind these 12 songs. Why the artist and not the song title? Well, not all of these were Top-40 hits, and they run the gamut from the 50s through the 00s, so we felt identifying the performers was a better challenge. (In... READ ON

Our Weekend Genius Challenges sometimes test your intellect, sometimes your creativity, and sometimes your mental ability. This one might cover all three. You're probably familiar with word ladders, where one word is converted into another by changing one letter at a time. For instance, "bat" can become "cow" in three steps: B A T C A T C O T C O W So here's your challenge: Create a word ladder that changes the word "FLOSS" into the word "BRAIN." Here's an example: F L O S S F L O W S B L... READ ON