By Stacey Burt Although they may seem like another technological wonder of the digital age, the small sticks or ribbons made of paper or plastic used to reveal abnormal changes in body chemistry originated over one hundred years ago. As early as the 1880s pharmacists and medical personnel began searching for new analytic methods superior to the cumbersome processes available at the time. The earliest types of urinalysis reagent test strips appeared in 1883, and revolutionized testing and diagnostics. A century of development and practical field...