Pima County Cooperative Extension sponsors gardening demonstrations of setting up a drip system for potted patio plants. Demonstrations are free at the Cooperative Extension Garden Center, 4210 N. Campbell Ave., at 9 a.m.

Pat Youngdahl discusses "Trusting Your Voice: Entering the Scholarly Conversation" as part of the Graduate Writing Workshop series in the Psychology building, Room 206 at 4 p.m.

Cari Soderlund speaks on "Mapping sequence to FPC and the contribution of FPC to sequencing" at 4 p.m. in the Bio Science West building, Room 208.