| Human_Spaceflight Dedicated to humans in space and the continuing construction of the International Space Station. Includes information on space shuttle missions. |
| Footnotes_to_History Indexed reference site that provides an overview of ephemeral states, micronations, secessionist states, and related entities. Includes links to related photographs, documents, and other resources. |
| Wikipedia__Helium Properties of the element, including its history, applications, and characteristics. |
| Complex_Geometry_of_Nature_and_General_Relativity A paper by Giampiero Esposito attempting to give a self-contained introduction to holomorphic ideas in general relativity. The main topics are complex manifolds, spinor and twistor methods, heaven spa |
| VHDL_Mini_Reference For quick access. |
| Aqueous_Electrolyte_Solution_Thermodynamics Phase diagrams of binary, ternary and quaternary aqueous solutions of salts and non-electrolytes. The basic thermodynamics related to these phase diagrams is explained. The application of a thermodyna |
| Thywissen,_Joseph_H_ Home page at the physics department of the university of Toronto, including research descriptions, CV, informative links, and positions available. |
| Central_Africa_Medicinal_Plants_Database A searchable and browsable medicinal plant database for uses of traditional veterinarian and human medicines in Africa. |
| Economic-truth One student's notes and essays covering economics topics from secondary school through the undergraduate level. |
| NSTA_Position_Statement__-_The_Teaching_of_Evolution Long summary of NSTA's recommendations. |
| EJPAU_-_Electronic_Journal_of_Polish_Agricultural_Universities Food Science and Technology section of the EJPAU. Covers a wide variety of research, published in electronic version, all issues available for free. |
| Czech_Metrological_Institute National metrological body active in fundamental metrology, calibration of measuring instruments, type approvals of legal measuring instruments, and their verification and inspection. Contacts for lab |
| Gem_and_Mineral_Exploration_Company General rockhound information site with rocks and minerals for sale. |
| Physiological_Ecology_Equipment_Manufacturers Links to suppliers of equipment used by ecophysiologists. |
| Radon_World_com Offers EPA-approved test kits from REM for air or water. Information on radon gas and its heath risks, radon testing and removal from homes. |
| Egyptian_Relativity_Group Joint group for Egyptian scientists working in the field of general relativity. In its present state, the site contains information about the group's members and activities. |
| Kelley,_John_Charles_(1913-1997) Obituary from the Society for American Archeology newsletter. Kelley was not only the foremost authority on northwest Mexico, he had command of Mesoamerican and southwestern archaeological and ethnohi |
| Probabilistic_Model_Toolkit [free] Functions for inference and learning in various static and dynamic probabilistic models such as hidden Markov models, linear dynamic systems, Gaussian mixture models, and factor analyzers. |
| Analytic_Number_Theory_2005 RIMS, Kyoto, Japan; 17--19 October 2005. |
| General_Bathymetric_Chart_of_the_Oceans_(GEBCO) Consists of an international group of experts who work on the development of a range of publicly-available bathymetric data sets and seafloor topography products. View data and products and learn of |