Definition of fatalism from the Collins English Dictionary Aspect When we use a verb, we often need to be able to refer to more than the time at which an event took place.
Influential in the field of medical microbiology. Pasteur worked toward cures for diseases and processing methods for reducing harmful bacteria in milk, wine, and other products.His work also helped reduce mortality rates from puerperal fever.
1667: Robert Hooke 's famous Micrographia is published, which outlines Hooke's various studies using the microscope. 1675: Enter Anton van Leeuwenhoek, who used a microscope with one lens to observe insects and other specimen. Leeuwenhoek was the first to observe bacteria. 18th century: As technology improved, microscopy became more popular among scientists. Part of this was due to the discovery that combining two types of glass reduced the chromatic effect.