To stain cells for examination with a light microscope. To examine a range of cells and other structures with a microscope to understand their basic structure. When viewing any slide with a microscope ...

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, ...

A miniature photograph of the moon, beard hairs whose owner has been dead for centuries, a shaving of Egyptian mummy bone, flowerlike patterns constructed from butterfly scales and algae called ...