Everybody knows that science textbooks (or any textbooks, for that matter) are notorious for their high prices. Thus, it is always refreshing—and a bit exhilarating—to come across entire free texts.
On an overpass in North Portland overlooking Interstate 5, Kathryn Nock and Jordan Stokes are taking stock of the neighborhood, including nearby Harriet Tubman Middle School. “It’s kind of hard to ...