In the mid- to late-19th century, science gripped the public imagination. Literacy rates were rising, feeding demand for books. Theories, put forward in books like Charles Darwin's Origin of Species, ...

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 ...

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.

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 ...

For more than 25 years, Arthur Earland and Edward Heron-Allen partnered in studying fossils of Foraminifera, a phylum of marine single-celled organisms often protected by shells of calcium carbonate.

The Museum has around 2.5 million microscope slides in its collections, which are either vertically or horizontally stored. The Digital Collections Programme has developed a slide digitisation ...

The human eye can distinguish as many as 10,000 different colours but is far less sensitive to variations in intensity 1, meaning that colour is highly desirable when interpreting images. However, ...

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 ...

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 ...