| Wetlands_International Non-profit organization dedicated solely to wetland conservation and sustainable management. Information about wetlands and organization activities around the world. |
| Adjusting_PID_Gains Describes the adjustment procedure of PID gains. Includes transient plots. |
| Cross-Bedding,_Bedforms,_and_Paleocurrents A companion to the book by David M. Rubin of U.S. Geological Survey. Images of real bedforms and cross-bedding as well as animated computer-generated images help to understand the building of sediment |
| Walter_Mischel_-_Inconsistencies_in_Personality An article arguing that people's personalities are not as stable as many believe. |
| European_Fertilizer_Manufacturers_Association Contains details about plant nutrient requirements, recommendations for fertilizer use and best agricultural practices for fertilizer application. |
| Sugar_Cane_Production__and_Soil_Fertility_ Information on the relationship between the quality of sugarcane and soil fertility. |
| Autobiography_of_Douglass_C__North Major contributor to Institutional Economics and winner of the Nobel Prize in Economics 1993 (with Robert Fogel). |
| Element_1_Power_Systems,_Inc_ A fuel cell source firm producing proton-exchange membrane (PEM) fuel cells, electrolysers to make hydrogen, and a variety of solar powered hydrogen learning kits for science fairs and demonstrations. |
| Mariner_8_and_9_to_Mars Brief mission overview. |
| A_New_Reduction_of_the_Hipparcos_Catalogues ESA announcement of a recalculation of the data which improves accuracy by compensating for systematic errors of thermal and micrometeoritic origin. (September 27, 2007) |
| International_Symposium_on_Underground_Freight_Transportation_by_Capsule_Pipelines_and_Other_Tube/Tunnel_Systems Contains news, history, conferences, and research groups. |
| Computability_and_Complexity An online course on complexity. |
| Belgian_Branch_of_the_International_Water_Association A non-profit professional organization that welcomes everybody interested in the scientific and technical aspects of water and water management. |
| Renewal_Associates Consultancy specializing in economic, social and environmental regeneration. |
| Bulletin_of_Environmental_Contamination_and_Toxicology Short articles pertaining to the scientific aspects of contaminants in the environment. Provides contents, abstracts, search and subscription information. |
| The_Online_Math_Tutor Mr. Fliegler, the math man, offers free online (via email) math help. |
| Mozart_\'can_cut_epilepsy\' Music, particularly Mozart, could have a therapeutic effect on epilepsy, say scientists. |
| DNX_Transgenic_Sciences Contract research organization specializing in the genetic modification of mice and rats using gene addition, gene targeting, homologous recombination, and microinjection techniques. |
| How_Stuff_Works__How_Fusion_Propulsion_Will_Work Shows how building a fusion-powered spacecraft would be equivalent of developing a car on Earth that can travel twice as fast as any car with a fuel efficiency of 7,000 miles per gallon. |
| Lost_Tribes_of_Israel Companion site to the Nova documentary on PBS covering anthropological research, past theories, and other resources. |