When Troy Van Voorhis became a chemistry professor at MIT, he started getting questions from his students: Did science eliminate the need for religion? Did you have to be an atheist to be a good scientist?
Not too long ago, the call of the Trumpeter Swan was unheard in Iowa; the last nesting pair was seen in 1883. But with concentrated effort from biologists and conservationists, the species has made a comeback in the state.
Diane Rasmussen, who lives in Omaha, can't make impromptu trips to Arlington, Virginia, where her son Deric is buried. Now, if she wants to feel close to him, she can visit Gold Star Hall in ISU's Memorial Union.