When we look at biological cells under a microscope, they're usually not very colorful. Normally, to visualize them we have to artificially add color—typically by staining. By doing so, we can see ...

Approximately 145 million: That's the number of specimens—including plants, animals, minerals, and human artifacts—curators estimate are held in the Smithsonian National Museum of Natural History.

Red dye fills the tiny blood vessels of this tongue tissue. The large, roundish structure in the center of image is a projection on the surface of the tongue known as a fungiform papilla. These ...

Scientists at the Smithsonian National Museum of Natural History have developed methods to digitize microscope slides, revealing billions of microfossils previously uncounted in collections. The ...

1) Microscope slides and coverglass are used in many parts of the lab while knowledge of how these items are made and the technical properties they have is limited. 2) By not understanding the ...

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 ...

In the not-so-distant future, there will be a new kind of microscope on the market. One that can easily fit in a backpack or purse and zoom in up to 1,000 times, making it possible for pretty much ...

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. By doing so, we can see ...

Turn the coarse focus so that the stage is as close to the objective lens as possible. You should not look through the microscope to do this. Place the microscope slide – either one you have prepared, ...