Top 20 CNET Help.com     CNET’s help.com works with Usenet newsgroups to broadcast tech, software, games, Internet and web building questions and answers. Users need to register for free membership to use, browse by subject or search the facility. (Added November 1999)  Infoplease.com     Useful search engine for science-related links or search and browse their almanacs, dictionaries and encyclopaedias for data, word definitions and brief explanations. (Added August 1999)  Journal of the American Medical Association     Peer-reviewed online version of the medical journal of the American Medical Association, (Added September 1999)  Refdesk.com     Huge, impressive and useful collection of reference links with dozens of search engines, dictionaries, encyclopaedias, online news sources, newspapers, magazines and data sources from around the world. (Added August 1999)  SciQuest.com     An Internet source for scientific goods with over 200,000 products and 200 suppliers. (Added September 1999)  Virtual Solar System     The National Geographic’s Virtual Solar System offers the wonders of our solar system in a spectacular 3-D environment. Site requires Viscape SVR (downloadable on the site) to get the full effect. (Added September 1999)  National Geographic     Searchable online site of National Geographic magazine with interactive features, photographs, maps, news, kids page, educators page, forums, an e-store and details of exhibitions and live events. (Added November 1999)  Encyclopaedia Britannica     The complete Encyclopaedia Britannica, online and free with selected articles from over 70 of the world’s top magazines. (Added November 1999)  UK Joint Research Councils     Joint home page of the seven UK Research Councils  British Medical Journal     Online version of the British Medical Journal with news and full text papers. (Added August 1999)  ChemConnect     ChemConnect, the Internet's largest global chemical and plastics exchange, provides an open, neutral market for manufacturers, buyers and intermediaries to conduct online transactions for all types of chemicals and plastics. Site also hosts daily industry news, press releases and a journal database. (Added November 1999)  Analytical Spectroscopy     Excellent Introduction to Atomic, Molecular, Materials Spectroscopy by Brian Tissue  More details Wiley InterScience     Gateway to Wiley’s extensive list of online journals with your own personal homepage. Free registration gives paper abstracts, while paid subscription gives complete access. (Added August 1999)  WebMolecules.com     WebMolecules.com is a free, sponsor-supported site for the 3D visualisation of molecules. It contains over 100,000 molecular structures organised in 30+ categories (including formula) and is searchable using CAS number. Supports Chime and VRML plug-ins, M3D, MOL, PDB and offers users emailing of models. (Added November 1999)  TechSightings     TechSightings offers daily reviews of the best high-tech sites on the net with an option to add your own comments. Previous reviews are searchable and browsable  Thursday’s Classroom     The aim of Thursday's Classroom is to provide a lasting connection between NASA's latest research and the classroom environment. Contains up to date information, links and lesson plans. (Added September 1999)  Javascripts.com     The largest online repository of JavaScripts (currently over 3475) freely available to registered members. Registration is free. (Added November 1999)  WebPath: The Internet Pathology Laboratory for Medical Education     This searchable electronic resource includes images (over 1900), text, tutorials, laboratory exercises and examination items for self-assessment on gross and microscopic pathologic findings associated with human diseases. (Added September 1999)  HTML Goodies     One of the web’s best sites for primers, tutorials, scripts, Java and tips on creating web sites using HTML from Joe Burns Ph.D. (Added November 1999)  www.perl.com     Everything you wanted to know about Perl, the high-level programming language that has become the Web’s premier scripting language (as most CGI programs use Perl). (Added November 1999)

UK Sites

• ChemDex - huge and comprehensive list of Chemistry sites (UK, USA, Europe and worldwide), including most of the existing academic and commercial sites. It also includes a list of all the UK university chemistry staff. Held at Sheffield University and updated regularly.
• WebElements - database of information about the elements done in various graphical and text based styles (also at Sheffield).
• Another list of Chemistry resources held at Liverpool University, along with a nice list of available chemistry browser plug-ins and software (Chime, Chemsymphony, etc). Related to this, there is also a list of software for Chemistry, Physics and Electronics at Infochem.
• The Royal Society of Chemistry - many useful links from here.
• Chemsoc - the Chemistry Societies' Network
• ChemWeb.com - on-line information for chemists. many useful links from here, including software, chemical databases and jobs.
• BUBL list of Chemistry Resources - very nice and comprehensive list of available chemistry resources on the web arrnged by topic.
• Yahoo Chemistry Clubs
• CTI Centre for Chemistry - Computers in Teaching Initiative, many links to software packages useful for Chemists, as well as general science packages.
• Chemical Web Marketing and Technology - lots of useful articles on HTML, web page design, email, etc, from a Chemical point of view.
• The Network for Chemistry Teaching - at Nottingham Trent University
• On-Line Guide to Searching for Chemical Literature at Brunel University.
• IUPAC
• Chemistry and Industry magazine - includes job vacancies
• The Chemical Industry Home Page
• Chemistry Web-Users and Web-Masters email discussion list.
• David Bradley's Elemental Discoveries - interesting magazine about chemistry, molecules, etc.
• Western Arc Bioscience Platform - an organisation that helps to explout bioscience/chemistry information from 5 Universities in the West of the UK.
• The Bristol Exploratory - hands-on Science exhibition.
• The Royal Institution.
• The Royal Society - The UK academy of science
• Chemjobs - list of job vacancies for chemists
• The DERA - Defense Evaluation Research Agency
• Institute of Physics - includes on-line Journals and job vacancies.

European Sites

• The Home Page for Chemists - University of Dusseldorf, Germany
• Chemistry Resources links at Umeå University, Sweden - huge list of resources
• Centre for Spectra and Structure Documentation - at the University of Ulm, Germany. Home of the Mogadoc (Molecular structure) database.
• The Nobel Foundation, Sweden

USA and Canadian Sites

• Large list of worldwide WWW Chemistry servers (held at UCLA)
• American Chemical Society
• BioChemNet - list of resources for Chemistry and Biology
• NIST Chemistry Web-book - thermodynamic and other data for common chenicals
• ChemCAI: Instructional software and resources for Chemistry

Departments at the University of Bristol Related to Chemistry

• Anatomy
• Biochemistry
• Pathology & Microbiology
• Physics
• Physiology
• Interface Analysis Centre
• Earth Sciences (Geology)
• Bristol Colloid Centre