When Madison barber and business owner Brian Britt, 42, stepped up to a folding table in the entryway of the Urban League of Greater Madison, he had a single goal in his mind: Wipe from his record the decades-old criminal convictions he says are holding him back.

How can livestock odors be measured and quantified in a systematic and fair way? Is it even possible to break down an odor into its component parts, or to identify an acceptable odor threshold? It turns out these questions are the subject of rigorous scientific research.

Vapers across the country are swarming Twitter, the White House comment line and statehouse steps with the message "We Vape, We Vote."

Dr. Lynn D'Andrea knew something was amiss when three teenagers with similar mysterious, dangerous lung injuries came into the Children's Hospital of Wisconsin one after another, gasping for air.