To use a light microscope to examine animal or plant cells. To make observations and draw scale diagrams of cells. Turn the coarse focus so that the stage is as close to the objective lens as possible ...

Late 1600s – Dutch scientist Antonie van Leeuwenhoek constructed a microscope with a single spherical lens. It magnified up to ×275. 1800s - the optical quality of lenses increased and the microscopes ...

From Dear England to Fleabag, via Around the World in 80 Days and Bluey; our pick of the finest shows and films the platform has to offer Benji Wilson has been covering television for The Telegraph ...