| Acid_Rain_News Features links to news articles and related sites. Includes history, scientific background information and FAQ. |
| The_Acid_Rain_Report Student-created site discusses the causes, effects, geographic distribution, and possible solutions for acid rain. |
| Acid_Rain--A_Contemporary_World_Problem This website explores the causes and solutions to the acid rain problem. |
| Freshwater_Umbrella Research programme of applied science projects to aid DEFRA make policy decisions concerned with air pollution, acid rain, and the effects on freshwater systems in the UK. |
| Margot\'s_Acid_Rain_SEA_Project Student's fun and informative site about acid rain, in North Carolina and in general. |
| National_Atmospheric_Deposition_Program_(NADP) US federal-state-NGO cooperative effort operating a national precipitation monitoring network to observe geographic and temporal trends in acidity, mercury, and other attributes. Includes data, maps, |
| PPRP_Atmospheric_Deposition_Measurement_and_Analysis Information about and from regional acid deposition monitoring programs in the Chesapeake Bay watershed (USA). |
| UK_Acid_Waters_Monitoring_Network Monitors the ecological impact of acid deposition in areas of the United Kingdom believed to be sensitive to acidification. |
| US_EPA_-_Acid_Rain Information about causes and effects, how acid rain is measured, and what is being done to solve the problem. Includes activities for students. |
| US_EPA_Acid_Rain_Program About EPA efforts reduce electric utilities' emissions of sulfur dioxide and nitrogen oxides, the pollutants responsible for acid deposition. The program includes a system of tradable SO2 emissions al |
| U_S__Geological_Survey_Data_and_Reports_on_Acid_Rain,_Atmospheric_Deposition_and_Precipitation_Chemistry Information resources on acidic deposition in the United States. |
| What_is_Acid_Rain_and_What_Causes_It? A discussion of the causes and effects of acid rain, and possible policy solutions. |
| Aluminium_versus_Aluminum The different American spelling of what British English spells 'aluminium' sometimes cause puzzlement as to how it could have come about. This article tells that story. |
| Aluminum_-_Linked_to_Many_Diseases_in_Humans Provides many references on Aluminum's effect on humans and the environment. |
| ChemicalElements_com__Aluminum Basic information, atomic structure, and table of isotopes. |
| It\'s_Elemental__Aluminum Basic physical and historical information. |
| LANL__Aluminum History, sources, uses, and compounds. |
| Lenntech__Aluminum Physical data, chemical properties, health and environmental effects. |
| USGS_Minerals_Information__Aluminum Overview and a number of publications in PDF format. |
| Visual_Elements__Aluminium Image, animation, source, uses, key isotopes, and covalent bonds. |
| WebElements__Aluminum Extensive information on history, uses, occurrence, compounds, and properties of the element. |
| Wikipedia__Aluminum Details the properties of the element, including its history, applications, and characteristics. |
| Classical_Logic Introduction to classical logic, including completeness and Löwenheim-Skolem theorems; by Stewart Shapiro. |
| Computability_Logic_Homepage Main online source on computability logic - a recently emerged formal theory of computational tasks and resources. Maintained by G.Japaridze. |
| Introduction_to_Mathematical_Logic Hyper-textbook for students by V. Detlovs and K. Podnieks. |
| Mathematical_Logic_and_Foundations From The Mathematical Atlas, a resource of mathematics maintained by David Rusin. Extensive resources related to logic and set theory. |
| Mathematical_Logic_around_the_World A rich collection of links to logic-related websites. |
| Mind_Versus_Goedel_by_Damjan_Bojadziev Compares the mind to advanced computers and artificial intelligence, as Goedel would possibly view them. |
| International_Supernovae_Network Includes recent discoveries and technical information about finding supernovae. |
| Latest_Supernovae A list of the latest Supernovae with reference images. |
| List_of_Recent_Supernovae Huge index of recent supernovae, including date found, SN position, and host galaxy. |
| Masi_Astro_Images_Photometry Site intro in English and Italian. A short list of Supernovae and variable star images. |
| Supernova,_by_HEASARC HEASARC: High Energy Astrophysics Science Archive Research Center provides a short article regarding the high-energy aspects of supernovae explosions. |
| Supernova_Taxonomy A discussion of the taxonomy of supernovae. |
| Supernovae Fundamentals of type I and II supernovae. |
| Type_1a_Supernovae_and_the_Cosmological_Constant Brief look at recent type Ia supernova data and the cosmological constant |
| University_of_Texas_Supernovae_Research Includes research contacts, preprints, reviews and published papers by the Astronomy group of the University of Texas. |
| Very-Late-Type_Spiral_and_Irregular_Galaxy_Supernova_Search Current statistics of search at University of Iowa, movies of observed SNe. The rates in Sdm-Sm and Irr galaxies seem to be higher even than in late type Sbc-Sd galaxies. |
| When_supernovae_go_hyper__NASA_article Magazine-style article written by NASA on the explanation for gamma-ray bursts surrounding 'hypernova' type supernovae. |
| X-ray_Astronomy__Supernovae_and_their_remnants Brief NASA introduction to supernovae. Includes images. |