The modern microscope is an incredibly powerful tool when it comes to detecting disease, but typically the biological material being studied needs to be stained or dyed to reveal its secrets. This can ...

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 ...

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.

Wesley R. Coe, professor of zoology at Yale during the early 20th century, devoted his career to studying ribbon worms — a group of mostly marine-dwelling creatures that includes more than 1,000 known ...

One of Charles Darwin’s microscope slides from his groundbreaking geological research is set for auction after being discovered in a cardboard box - almost 200 years on. The tiny piece of history, ...

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 ...

Victorians were also fascinated by Egyptian mummies. They were collected avidly and even unwrapped at events. Not surprisingly, mummies also found their way under the microscope. These slides contain, ...