This 2002 publication, from the Land Institute, describes the benefits and practicality of converting world-wide grain crop production from annual to perennial plants.
This is an informal and incomplete guide to the history of evolutionary biology from about 1800 to about 1950. It is maintained by John Alroy. Its main emphases are on the late 19th century and on paleontology. The...
Part of MIT's innovative OpenCourseWare Project, that provides materials from MIT classes to the public on the web, the site explores the variety of physical aspects of cities in the twentieth century, and what has...
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