Recent sightings: Fall colors on Library Mall October 10, 2008 Share Students walk underneath golden autumn foliage on Library Mall on Oct. 10, 2008. Photo: Bryce Richter Editor’s picks Half a million Badgers and counting UW–Madison has reached the milestone of 500,000 living alumni. See how they’re spreading the Wisconsin Idea around the state, country and world. Scrolling for answers Hundreds of Wisconsin teens are helping UW researchers study the effects of social media. The findings could be transformative. Growing the future UW–Madison’s research stations help Wisconsin farmers stay on agriculture’s leading edge. A global hub for Hollywood history UW–Madison’s Wisconsin Center for Film and Theater Research preserves priceless materials from the entertainment industry.