Summer volunteers Lauren Matthews, left, a senior at Homewood-Flossmoor High School, and her sister, Kaylin, a sophomore at H-F, gave their time to pack PopUpSCIENCE@Home kits. (Marilyn Thomas/H-F Chronicle)
Summer volunteers Lauren Matthews, left, a senior at Homewood-Flossmoor High School, and her sister, Kaylin, a sophomore at H-F, gave their time to pack PopUpSCIENCE@Home kits. (Marilyn Thomas/H-F Chronicle)