Most conventional light microscopes have a resolution of 200 nanometers – this means that imaged objects which are any closer together won't be seen as separate items. A new high-tech microscope ...

On the right: Microscope images of the fruit fly intestine where cell nuclei are stained (cyan). The intestine on the top is from well fed animal, and the intestine below from an animal kept on a ...

When we look at biological cells under a microscope, they’re usually not very colourful. Normally, to visualise them we have to artificially add colour — typically by staining.

Illustration of a villus in the intestine with a zoom-in to an electron microscopy image of coronavirus SARS-CoV-2 (dark circles) at the edge of an intestinal cell. Credit: Kèvin Knoops, Raimond ...