Mad Scientists At Work! All the mess, creativity and fun of Science brought to you twice a month at the Hudson Area Public Library! This will be a fun, interactive and scientifically spectacular event. There will be a demonstration by Mr. Chris, and then a related experiment that participants will be able to perform.  Every 2nd and 4th Tuesday. Ages 7-10. This program is being held in the library break room. No registration required. Space is limited.