Jeremy Woodhouse/Audubon​Former Unfair Park-er Alexa Schirtzinger sure dug her some nature, if you recall. So it's not surprising she shows up in the latest issue of Audubon talking up the Trinity River Audubon Center. But she also tells the tale of how a teacher at Rufus C. Burleson Elementary School on Elam Road is using the joint to school her students on science. That would be fifth-grade teacher Bridget Williams, who, with the center's education director, Ben Jones, is trying to do someth