The public is invited to a free screening of "The Lion's Mouth Opens," a documentary about a woman who bravely faces a daunting life-defining moment as finds out about her genetic testing results for Huntington disease (HD), Thursday, Jan. 29, with the doors opening at 6:30 p.m and the screening beginning at 7 p.m., at the John Pappajohn Business Building, Room W10 (Buchanan Auditorium). The film is made possible by the UI Huntington's Disease Society of America (HDSA) Center of Excellence and the HDSA Iowa Chapter.