Todd R. Nelson is a retired educator who lives in Penobscot. His books of essays, “Cold Spell” and “The Land Between the Rivers,” are published by Down East Books.

It’s really brought people together,” he said, “because everyone seems to not like it.” The logo has been controversial at ...

In a heartwarming twist this holiday season, Back Roads Bill invited none other than Santa Claus to answer some of the most ...

At the threshold of Far West Texas, the Lower Pecos Canyonlands contain some of North America’s most remarkable rock art. Here, where the Pecos and Devils rivers join the Rio Grande, on cave walls, ...

Texas State University archaeologist Carolyn Boyd examines details of the painting at White Shaman rock shelter in the Lower Pecos Canyonlands. Originally an artist, Boyd was inspired to become an ...

Macie Ahlgren points to pictographs on a rock wall that the family called Bear Gulch located on her family's ranch near Lewistown in central Montana in April 2014. The Bear Gulch site has somewhere ...

Classical conditioning is a way to learn using unconscious associations. Pavlov discovered classical conditioning when dogs started to salivate at the sound of a bell before they got food. The ...