Daily Herald's Week in Photos

Katherine Jaffe looks over the shoulder of volunteer Al Buckardt while Matthew Kosk waits, as the sixth graders from Thomas Middle School in Arlington Heights have their bridge measured during Saturday's Science Olympiad at College of Lake County. Joe Lewnard | Staff Photographer

Volunteer Al Buckardt measures a bridge made by Daniel Wright Junior High sixth graders Marty Kurrelmeier, left, and Dave Shaw in the elevated bridge competition of Saturday's Science Olympiad. Joe Lewnard | Staff Photographer