To ensure that the tissue structures of biological samples are easily recognizable under the electron microscope, they are treated with a staining agent. The standard staining agent for this is uranyl ...

For centuries, scientists have used microscopes to magnify and peer into a world invisible to the naked eye. The earliest instruments were simple lens-filled tubes, the best of which revealed the ...

Physically magnifying objects using a key moisture-absorbing ingredient in diapers has opened an unprecedented view of the microbial world. When you slip a slide under a microscope, a system of glass ...