I scream, you scream, we all hold hands by Adam Glanzman September 15, 2017 Share Facebook LinkedIn Twitter Northeastern students from the College of Science demonstrate how to make ice cream with liquid nitrogen to the children in the Russell J. Call Children’s Center on Sept. 14, 2017. Photo by Adam Glanzman/Northeastern University Northeastern students from the College of Science demonstrate how to make ice cream with liquid nitrogen to the children in the Russell J. Call Children’s Center on Thursday. Photo by Adam Glanzman/Northeastern University