UE’s annual Chemistry Day is this Saturday, Apr. 21. UE Chemistry Club members will be working on fun science experiments with 50 local 4th-5th graders from 10:00 a.m.-2:00 p.m. in Koch Center. This is not open to the public but media are welcome to attend to take photos, film video, interview participants. (Best time for this would be anytime except 11:45 a.m.-12:45 p.m.)