The NAU Bookstore will host a DVD signing for A Thousand Invisible Cords from 11 a.m. to 1 p.m on Thursday, Aug. 30.

The film, featuring Northern Arizona University researchers, is getting nationwide play on PBS stations—including Phoenix’s KAET/Channel 8 and Tucson’s KUAT/Channel 6 at 9 p.m. Sept. 5.

The NAU scientists, filmmakers and graduate students who contributed to the film will be on hand at the bookstore to sign copies of the DVD and answer questions.