Encyclopedia > The Americana

Article Content

The Americana

The Americana is an encyclopedia, or "Universal Reference Library", published by Scientific American Magazine between 1903 and 1906. Its editor-in-chief was Frederick Converse Beach[?].

Featured Article

Photosynthesis

... a source of hydrogen with which to reduce carbon dioxide into carbohydrates. Van Neil's proposal was confirmed 20 years later by using the O18 isotope of oxygen as ...