KNAU update for Nov. 17

In Prescott

During the early days of the Jurassic Period, about 200 million years ago, a small dinosaur named Scutellosaurus lawleri roamed the floodplains and forests of what would much later become the Colorado Plateau. Learn more at KNAU.org.

A Flagstaff inventor is rethinking commuter transportation with a new class of vehicle. David Calley has created the Planet Rider, essentially, a hybrid between an electric car and an electric bicycle, powered in part by human energy.Learn more at KNAU.org.

“Val Blue” is the first new variety bred at the potato research institute since 2005. and though vibrant, unique types are popular elsewhere, they’re still a hard sell in this potato-loving nation. Learn more at NPR’s food blog, The Salt.

A study published Tuesday in the journal Clinical Psychological Science finds that increased time spent with popular electronic devices – whether a computer, cell phone or tablet – might have contributed to an uptick in symptoms of depression and suicidal thoughts over the last several years among teens, especially among girls. Learn more at NPR’s health blog, The Salt.