The next Science on Tap presentation is titled "Pirates, Pearlware and Pipes: Using Archaeology to Peer into Beaver Island's Past." Northern Michigan University professor Scott Demel will discuss some of the discoveries he and NMU students have made during summer archaeological field schools on the Lake Michigan island. The talk begins at 7 p.m. Thursday, Jan. 12, in the upstairs community space at the Ore Dock Brewing Company. It is free and hosted by NMU’s chapter of Sigma XI-The Scientific Research Society.