SciencePhoto: Hindu HealthFanny Angelina Hesse Revolutionized Microbiology Using Agar
Fanny Angelina Hesse suggested replacing gelatin with agar as a solidifying agent in microbiology. Agar, a kitchen jelly, could withstand heat during incubation, unlike gelatin which liquefied near 37°C. This innovation helped scientists like Robert Koch isolate disease-causing microbes in pure cultures, significantly advancing bacteriology in the 1880s.
Hindu Health·




