Scientists have found a way to map the intricate patterns of cells in mouse brain tissue with an off-the-shelf light ...

The best light microscope can show details that are 0.2µm ... are 0.0001µm apart - allowing us to clearly see inside the parts of a cell e.g. inside a chloroplast or mitochondrion.

You should not look through the microscope to do this. Line it up so that the specimen - if you can see it - is in the centre of the stage, where the light passes ... image of a part of the ...