This primary-source study of 4 medical works of the 13th century Muslim scholar Ibn Al-Nafis confirmed that his Kitab Al-Mujaz Fi Al-Tibb was authored as an independent book meant to be a handbook for medical students and practitioners not as an epitome of Kitab Al-Qanun of Ibn Sina as thought by...

The Tree of Life Web Project (ToL) is a collaborative effort of biologists from around the world. On more than 9000 World Wide Web pages, the project provides information about the diversity of organisms on Earth, their evolutionary history (phylogeny), and characteristics. See:...

Part 2 of a video podcast from the American Museum of Natural History’s 2007 Mack Lipkin Man and Nature Series entitled Save the Microbes, Save the World: The Fate of Microbial Life on a Changing Planet. The panel was introduced by Michael Novacek, Senior Vice President and Provost of Science...

Cycles Research is not a commonly studied subject and yet there are definite trends in history in the finding of information about cycles. Starting with Sir William Herschel there have been reports of various length cycles in many economic variables including commodity yields and prices, stock...