Biology PhD student Andrea Trigueros (right) showed Jennings students (from left) Morgan Stith and Dakota Warren how to run a polymerase chain reaction to amplify DNA.

Biology PhD student Andrea Trigueros (right) showed Jennings students (from left) Morgan Stith and Dakota Warren how to run a polymerase chain reaction to amplify DNA.
Biology PhD student Andrea Trigueros (right) showed Jennings students (from left) Morgan Stith and Dakota Warren how to run a polymerase chain reaction to amplify DNA.
Biology PhD student Andrea Trigueros (right) showed Jennings students (from left) Morgan Stith and Dakota Warren how to run a polymerase chain reaction to amplify DNA.
Fenson, who competed in the Olympic trials for curling while starting optometry school, plans to bring needed care to his hometown of Bemidji, Minnesota.