Cheese fungus, head lice, human sperm, a bee eye, a microplastic bobble: scientific photographer Steve Gschmeissner has imaged them all under the probing lens of a scanning electron microscope (SEM).

The pathogenic fungus Aspergillus fumigatus escapes elimination from surface cells of the human lung by binding to a human protein. In doing so, it is able to nest in so called phagosomes, confined ...