| WeatherQuestions_com Concise and interesting answers to the most-often asked questions about the weather, arranged in alphabetical order. |
| Institute_of_Pharmacology,_Polish_Academy_of_Sciences Information about the Institute and its neuropharmacological research, including psychotropic drugs. |
| Space_Mechanics_Group Main projects, information services, and publications. |
| Investor_Ideas research and investment opportunities in Homeland Defense Stocks , Security Stocks, Nanotechnology Stocks , Clean Energy Stocks, Environmental, Biotech, Drug Delivery Stocks, and Gold Stocks. |
| Economic_Sophisms Searchable online version of Economic Sophisms. |
| PCO_Computer_Optics A manufacturer of high performance CMOS and CCD camera systems and imaging video products for science. |
| Orbits_in_Strongly_Curved_Spacetime A JAVA applet which simulates the orbit of a low mass test particle orbiting a non-rotating black hole. Created by John Walker. |
| Catherine_Hood_Consulting Consulting and training in the area of time series analysis, particularly in seasonal adjustment and statistical forecasting. |
| Waterman_Conservation_Education_Center The Waterman Conservation Education Center in Apalachin, NY, USA is dedicated to increasing environmental awareness and outdoor recreation. Waterman operates four wildlife refuges. |
| Ulli\'s_Fractal_Home Galleries and theoretical explanation by the type of formula used. |
| ChemAP_2000 Chemistry software for the Windows environment. |
| MathMedia_Educational_Software,_Inc_ Instructional math software for the K-12 and college advanced placement test preparations. |
| Holt,_Charles Home page at the University of Virginia includes links to research papers in experimental economics, classroom experiments, and the journal, Experimental Economics, that he co-edits. |
| Urban_Design_Group Provides a forum for architectural, design, and urban planning firms to address urban design issues. Includes information on members and industry news. |
| Radar_Systems,_Inc_ Based in Latvia, manufactures equipment for ground penetrating radar. |
| Department_of_Molecular_Microbiology_and_Immunology_-_Johns_Hopkins_Bloomberg_Sch__of_Public_Health Graduate education and research in the areas of biochemistry, virology, parasitology, molecular biology, immunology, ecology, structural biology. Research centers on transmission, immunobiology, and p |
| Language_Families Maps of the various language families, with background reference material, based on Encyclopaedia Britannica material. |
| PBS_Science_and_Technology_TeacherSource Lesson plans, online activities, classroom resources, and professional development projects. |
| (Singapore)_National_University_of_Singapore Department of Statistics and Applied Probability. |
| Open_Courseware_on_Critical_Thinking Over one hundred tutorials on critical thinking, logic, scientific reasoning, creativity, and other aspects of thinking skills. |
