The UNI Student Chapter of the American Chemical Society, in collaboration with students from other science departments, will be hosting a “Halloween House” Friday, October 25th from 4:30 to 7:30 p.m., on the second floor of McCollum Science Hall. UNI students will be performing Halloween-themed science demonstrations and supervising hands-on activities in rooms such as the “Pirates’ Cove” “and “Frankenstein’s Lab."