37 Categories Addictions ( 1,777 ) Aging ( 51 ) Alternative ( 3,789 ) Animal ( 3,896 ) Beauty ( 335 ) Child Health ( 316 ) Conditions and Diseases ( 10,410 ) Conferences ( 0 ) Dentistry ( 414 ) Directories ( 5 ) Education ( 117 ) Fitness ( 204 ) Home Health ( 180 ) Medicine ( 8,415 ) Men's Health ( 146 ) Mental Health ( 3,357 ) News and Media ( 146 ) Nursing ( 759 ) Nutrition ( 401 ) Occupational Health and Safety ( 296 ) Organizations ( 108 ) Pharmacy ( 1,667 ) Products Shopping ( 0 )

37 Categories Continued Professions ( 886 ) Public Health and Safety ( 2,001 ) Regional ( 0 ) Reproductive Health ( 1,240 ) Resources ( 63 ) Search Engines ( 8 ) Senior Health ( 445 ) Senses ( 239 ) Services ( 19 ) Specific Substances ( 357 ) Support Groups ( 202 ) Teen Health ( 37 ) Weight Loss ( 173 ) Women's Health ( 288 )

48 Categories Accounting ( 2,273 ) Aerospace and Defense ( 1,615 ) Agriculture and Forestry ( 5,752 ) Arts and Entertainment ( 13,506 ) Associations ( 14 ) Automotive ( 2,494 ) Biotechnology and Pharmaceuticals ( 1,182) Business and Society (33) Business Services ( 14,181 ) Chemicals ( 4,146 ) Construction and Maintenance ( 15,303 ) Consumer Goods and Services ( 13,288 ) Cooperatives ( 45 ) Customer Service ( 203 ) Directories ( 27 ) E-Commerce ( 510 ) Education and Training ( 800

48 Categories Continued Electronics Electrical ( 6,947) Employment ( 831 ) Energy ( 3,435 ) Environment ( 1,445 ) Financial Services ( 10,268 ) Food and Related Products ( 5,191 ) Healthcare ( 4,263 ) Hospitality ( 2,132 ) Human Resources (629 ) Industrial Goods Services ( 16,676 ) Information Services (54) Information Technology ( 806 ) International Business and Trade ( 614 ) Investing ( 3,531 ) Major Companies ( 82 ) Management ( 2,346 ) Marketing and Advertising ( 4,613 )

48 Categories Continued Materials ( 1,707 ) Mining and Drilling (456 ) News and Media ( 210 ) Opportunities ( 1,409 ) Publishing and Printing ( 4,088 ) Real Estate ( 1,532 ) Regional ( 0 ) Resources ( 56 ) Retail Trade ( 1,137 ) Small Business ( 733 ) Telecommunications ( 3,898 ) Textiles and Nonwovens ( 13,588 ) Transportation and Logistics ( 6,608 ) Wholesale Trade ( 127 )

42 Categories Animation ( 6,361 ) Architecture ( 2,413 ) Art History ( 3,744 ) Awards ( 16 ) Body art ( 527 ) Chats and Forums ( 4 ) Classical Studies ( 300 ) Comics ( 2,368 ) Contests ( 0 ) Costumes ( 25 ) Crafts ( 4,583 ) Cultures and Groups (0) Design ( 886 ) Digital ( 182 ) Directories ( 103 ) Education ( 1,219 ) Entertainment ( 296 ) Events ( 0 ) Genres ( 558 ) Graphic Design ( 389 ) Humanities ( 156 ) Illustration ( 1,609 )

42 Categories Continued Literature ( 15,598 ) Magazines and E-zines ( 67 ) Movies ( 25,365 ) Music ( 50,175 ) News and Media ( 3 ) Online Writing ( 2,329 ) Organizations ( 339 ) People ( 6,305 ) Performing Arts ( 15,349 ) Periods and Movements ( 3 ) Personal Pages ( 2 ) Photography ( 2,793 ) Radio ( 1,761 ) Regional ( 0 ) Television ( 7,448 ) Video ( 164 ) Visual Arts ( 12,315 ) Web Rings ( 3 ) Weblogs ( 17 ) Writers Resources ( 1,683)

45 Categories Algorithms ( 266 ) Artificial Intelligence ( 990 ) Artificial Life ( 182 ) Bulletin Board Systems ( 76 ) CAD and CAM ( 632 ) Chats and Forums ( 19 ) Companies ( 503 ) Computer Science ( 1,648 ) Conferences ( 0 ) Consultants ( 1,032 ) Data Communications ( 786 ) Data Formats ( 1,687 ) Desktop Publishing ( 90 ) Directories ( 1 ) E-Books ( 125 ) Education ( 456 ) Emulators ( 357 ) Ethics ( 32 ) FAQs, Help, and Tutorials ( 51 ) Graphics ( 1,031 ) Hacking ( 144 ) Hardware ( 4,381 )

45 Categories Continued History ( 281 ) Home Automation ( 57 ) Human-Computer Interaction ( 234 ) Internet ( 20,127 ) Intranet ( 32 ) Mailing Lists ( 5 ) Mobile Computing ( 405 ) Multimedia ( 2,024 ) News and Media ( 126 ) Open Source ( 622 ) Organizations ( 72 ) Parallel Computing (265) Performance and Capacity ( 39 ) Programming ( 12,530 ) Robotics ( 618 ) Security ( 2,097 ) Shopping ( 15 ) Software ( 23,152 ) Speech Technology(309) Supercomputing ( 31 ) Systems ( 2,155 ) Usenet ( 228 )