Associated Press: Travelers who head to Antarctica are usually looking to see penguins. A group of Colorado State University researchers, however, is after a much humbler creature: worms. A CSU scientist has taken a research team of seven students to the frozen continent for a 19th year to study roundworms. Diana Wall says her annual studies of roundworms in Antarctica’s McMurdo Dry Valleys help measure climate change. The students — a team of seven that includes students from Brigham Young …