Caption: Human neutrophils visualized under a confocal microscope with cell membranes stained red and nuclei blue. When faced ...

We’ll understand if you’re puzzled by the eerie image below. It’s a tiny piece of the Lassa virus, which can double a person over in pain, make their head swell and, in some cases, quickly result in ...

To get a better look at brains, Harvard researchers are making microscopes work more like human eyes. Until recently, the quest to build high-resolution maps of brains — otherwise known as ...

Human cancer under a microscope. The black dots on the right of the image are lymphocytes which are trying to get at the tumor, but are being stopped by cancer-associated fibroblasts. Disclaimer: AAAS ...

It’s relatively easy to understand how optical microscopes work at low magnifications: one lens magnifies an image, the next magnifies the already-magnified image, and so on until it reaches the eye ...