THE method described by Brieger and Cosslett 1 of growing tubercle bacilli on the ‘Formvar’ film of a stainless steel electron microscope grid has been modified for use with liquid media. In this form ...

Robert Koch, a founding father of microbiology, used hands-on experiments in the 1800s to find the bacteria behind three of history's deadliest diseases. Robert Koch peers into a microscope in his ...