Did you know Chicago is home to the world's most alkaline-resistant lifeform? The Guinness Book of World Records did. more ›

Although they're still waiting on approval from the Guinness Book of World Records, it appears that students and faculty at Hoffman Estates High School have broken the world record for most high fives in an hour with a record 1,363 high fives. During an outdoor pep rally on Friday, students filed in and each slapped the hand of Brian Selders, superintendent of development for the recreation association, at the gate of the school's football field. Once they reached the record-breaking high five, they kept going until all students and staff had entered the stadium, reaching a new world record and crushing the previous record of 409, set almost four years ago in Oregon. more ›

Puppy love will be in the Oak Park air this weekend as the town readies to break the world record for simultaneous dog marriages. At the "I Do, Doggone It!" mass canine wedding event going on this Saturday, pet owners hope to match more mutts than ever in holy matrimony. According to the almighty Guinness (book, not beer) the current record set in May 2007 in Littleton, Colorado stands at 178 canine weddings. In an effort to beat this number, a doggy "speed dating" event will take place first, which we imagine will include a lot of quick n' dirty butt sniffing among the dogs and plenty of giggly awkwardness among the owners. A wedding reception, photos ops and games and prizes will follow. Register here. more ›