Subjects

        Graphic Design (98,49,2)
        Other Arts (56,32,0)
        Drawing (126,81,1)
        Animation (16,21,0)
        Painting (63,34,0)
        History of Arts (309,60,2)
    Arts (816, 434, 9)
        Arts in General (148,157,4)
    Biology (2091, 696, 27)
        Biology in General (1403,513,14)
        Genetics (328,93,9)
        Other Biology Subjects (360,90,4)
        Pharmacology (124,23,2)
        Dietetics (44,7,0)
        Sexuality (40,26,0)
        Other Body Subjects (42,11,1)
        Personal Training (49,8,0)
        Cosmetics (20,3,0)
        First Aid Training (54,8,0)
        Medicine and Health (141,61,3)
        Alternative Medicine (42,10,2)
        Anatomy and Physiology (312,86,13)
        Body in General (133,52,1)
    Body and Health (1001, 295, 22)
    Chemistry (1897, 625, 32)
        Chemistry in General (1516,541,30)
        Other Chemistry Subjects (381,84,2)
        Cinema Acting (11,7,0)
        Cinema Directing (9,7,0)
        Other Cinema Subjects (9,3,0)
    Cinema (119, 38, 0)
        Cinema in General (48,14,0)
        Cinema History (42,7,0)
            Unix (39,13,1)
        Content Management Systems - CMS (71, 31, 4)
            Visual Basic (73,14,1)
        Ethical hacking (16,19,2)
        Other Computer Subjects (151,53,2)
        IT Quality Assurance (32,7,0)
        Search Engine Optimization - SEO (26,9,0)
            Microsoft Access (42,13,2)
            AutoCAD (48,20,4)
            Adobe Photoshop (38,11,0)
            Apple Final Cut (1,1,0)
            Maxon Cinema 4D (0,1,0)
            Desktop Publishing Software (6,1,0)
            Other computer applications (23,5,0)
        IT Project Management (80,44,6)
            Microsoft Excel (206,20,1)
            Microsoft PowerPoint (144,5,0)
            Microsoft Word (223,16,0)
        Computer Applications (731, 93, 7)
            Mac OS (17,3,0)
            Linux (74,36,6)
            Windows (152,20,0)
        Data Security (37,17,2)
        Operating Systems (282, 72, 7)
        Data Communications (71,22,2)
            Databases - MySQL (101,20,1)
            SQL Language (125,17,0)
            Databases - Teradata (5,1,1)
            Databases - DB2 (11,2,0)
            Database Theory (145,16,2)
            SQL Server (145,36,4)
            Databases - Oracle (101,29,5)
            Joomla (13,10,2)
            Wordpress (43,18,2)
            Other CMS (15,3,0)
        Databases (633, 121, 13)
            Python (111,75,12)
            Perl (8,1,0)
            Swift (3,3,0)
            Ruby (1,0,0)
            Transact-SQL (27,9,2)
            Unix Shells (47,13,1)
        Software Development Platforms (299, 89, 6)
            Software Development Platforms in General (36,29,2)
            Microsoft .NET (107,28,0)
            Apache MySQL PHP (59,11,2)
            Java Development Platform (97,21,2)
            Amazon Alexa Skills
        Software development for mobile devices (56, 17, 3)
            iOS software development (10,2,0)
            Android software development (42,13,3)
            Software development for other mobile systems (4,2,0)
        Programming Languages (2347, 979, 129)
            Programming Languages in General (241,77,5)
            C (113,15,3)
            C++ (387,96,10)
            C# (174,145,25)
            Java (457,281,40)
            HTML/CSS (327,90,9)
            Javascript (204,80,7)
            PHP (164,77,14)
            Node.js (2,1,0)
            Objective-C (8,2,0)
        Computers in General (1016,443,17)
        Computer Literacy (238,48,1)
    Computers, ICT (6086, 2064, 201)
        Other Food and Drink Subjects (36,14,0)
        Wine tasting (1,1,0)
        Beer making (2,0,0)
        Wine making, Enology (1,2,0)
        Italian Cuisine (48,5,1)
        French Cuisine (9,5,0)
        Oriental Cuisine (11,3,0)
        Pastry (19,3,0)
        Cooking, food and drink in general (122,35,1)
    Cooking, Food and Drink (249, 68, 2)
        Jewelery (10,3,0)
        Carpentry (3,2,0)
        Electric Works (3,1,0)
        Construction (5,2,0)
        Butchery
        Plumbing (2,6,0)
        Blacksmith Works (1,0,0)
        Mechanic Works (2,2,1)
        Other Crafts (26,2,0)
        Do-it-yourself (52,9,1)
        Pottery (3,3,0)

    Crafts (107, 30, 2)
        Marketing (190,58,1)
        Advertising (45,6,0)
    Economics, Business (2946, 832, 29)
        Economics in General (613,241,8)
        Macro-economics (258,49,2)
        Micro-economics (286,52,2)
        Accounting and Bookkeeping (481,90,7)
        Job Interview Preparation (63,2,0)
        Project Management (75,30,1)
        Quality Assurance (13,2,0)
        Job Search (23,1,0)
        Procurements (6,4,0)
        Human Resource Management (120,27,2)
        Personnel Recruiting (15,0,0)
        Public Relations (25,5,0)
        Business Management (303,138,3)
            SAP (26,6,0)
            Quickbooks (7,6,0)
            Other accounting and ERP software (13,2,0)
        Tax (72,12,0)
        Accounting and ERP software (46, 14, 0)
        Insurance (22,3,0)
        Investments (67,12,1)
        Finance and Banking (223,86,2)
        Motorcycle Engineering (17,5,0)
        Aviation Engineering (44,24,2)
        Other Engineering (561,366,20)
    Engineering (698, 432, 22)
        Automobile Engineering (76,37,0)
        History - Earliest records (2500 - 500 BCE) (31,3,0)
        History - Antiquity (500 BCE - 500 CE) (58,7,0)
        Historiography (11,0,0)
        Other History Subjects (44,35,1)
        History of Australia (3,1,0)
        History of Africa (18,5,0)
        History of Asia (35,8,0)
        History of Europe (48,9,1)
        History - Modern (1789-1989) (56,21,0)
        History of the Americas (41,33,2)
        History - Middle Ages (500-1492) (59,18,1)
        History - Early modern (1492-1789) (54,13,0)
    History (1413, 382, 11)
        History in general (846,209,5)
        Contemporary History (100,14,1)
        Pre-historic (< 2500 BCE) (9,6,0)
    Hobbies (162, 58, 1)
        Gardening (19,6,0)
        Graphology, Handwriting Analysis (10,3,0)
        Games (83, 26, 1)
            Chesss (35,3,0)
            Card Games (11,3,0)
            Society Games (2,0,0)
            Computer Games (25,17,0)
            Other Games (10,3,1)
        Other Hobbies (50,23,0)
        Other Internet subjects (21,7,1)
        Internet Regulations (5,1,0)
        Internet Sociology (10,2,0)
        Internet Marketing (66,16,2)
        Internet Services (32,7,1)
        Internet Technology (106,41,2)
    Internet (613, 124, 6)
        Internet in General (373,50,0)
        Swedish (14,3,0)
        Other Languages (321,34,2)
        Greek (modern) (64,4,1)
        Greek (ancient) (192,11,1)
        Hebrew (18,9,0)
        Hindi-Urdu (178,8,0)
        Italian (1277,81,10)
        Indonesian (13,6,0)
        Latin (359,27,0)
        Norwegian (4,0,0)
        Japanese (63,26,0)
        Polish (25,0,0)
        Portuguese (122,21,1)
        Russian (278,33,1)
        Sanskrit (14,6,1)
        Spanish (1180,211,13)
        Swahili (147,28,4)
        Finnish (5,0,0)
        French (1091,237,11)
        German (494,174,17)
        Bulgarian (22,2,0)
        Chinese (Mandarin) (194,48,1)
        Czech (9,1,0)
        Danish (6,1,0)
        Dutch (19,12,3)
        English (5109,822,71)
    Languages (11523, 1857, 139)
        Arabic (305,52,2)
    Law (686, 139, 3)
        Law in General (314,63,1)
        Public Law (96,13,0)
        Civil Law (76,10,0)
        Criminal Law (52,24,0)
        International Law (54,11,1)
        Intellectual Property Law (Copyright) (17,1,0)
        Other Law Subjects (77,17,1)
        Other Literature Subjects (76,22,5)
        Poetry (118,27,3)
        English Literature (666,212,10)
        Journalism (54,14,0)
        Humour (8,2,0)
        Creative Writing (369,62,7)
        Other National Literatures (46,4,0)
        Spanish Literature (141,15,0)
        Italian Literature (546,39,0)
        French Literature (185,17,0)
    Literature, Writing (3185, 609, 35)
        German Literature (63,10,0)
        History of Literature (144,8,0)
        Classical Studies (74,13,1)
        Literature in General (695,164,9)
        Algebra (2087,811,73)
        Trigonometry (1508,179,6)
        Calculus (1254,214,16)
        Differential equations (842,81,8)
        Matlab (191,41,5)
        Other mathematical subjects (844,241,27)
        Mathematics in General (4142,1169,68)

    Mathematics (10868, 2736, 203)
    Media, TV, Radio, Publishing (115, 71, 1)
        TV and Radio Production (19,10,0)
        Newspaper and Magazine Publishing (19,6,0)
        Sound Engineering (8,4,0)
        Video Editing (35,14,0)
        Media and Publishing in General (34,37,1)
        Harmonica (1,0,0)
        Violin (12,14,0)
        Singing (88,31,2)
        Other musical instruments (33,21,0)
        Other Music Subjects (59,15,0)
        Drums, Percussions (10,6,0)
        Guitar (69,23,1)
        Bass Guitar (18,3,0)
        Flute (18,5,0)
        Piano, Organ (86,34,0)
        Solfege (88,11,0)
        Music software and Technology (17,9,0)
    Music (568, 189, 4)
        History of Music (69,17,1)
    Philosophy (757, 107, 4)
        History of Philosophy (228,23,0)
        Philosophy in General (432,66,4)
        Philosophical counseling (21,1,0)
        Other Philosophy Subjects (76,17,0)
    Photography (104, 51, 0)
        Photography History (14,9,0)
        Digital Photography (43,30,0)
        Analog Photography (10,1,0)
        Image Processing Software (27,7,0)
        Other Photography Subjects (10,4,0)
    Physics (2741, 571, 32)
        Physics in General (1847,449,27)
        Electricity and Electronics (532,63,4)
        Other Physics Subjects (362,59,1)
    Politics (174, 60, 4)
        Political Science in General (123,42,2)
        History of Politics (28,7,0)
        Other Politics Subjects (23,11,2)
        Psychotherapy (39,12,0)
        Love and Relationship (70,11,0)
        Other Mind-related Subjects (72,15,1)
        Psychology in General (346,123,4)
        Motivation (80,10,0)
        Emotion (68,8,0)
    Psychology (675, 179, 5)
        Other Religion Subjects (70,11,0)
        Religion in General (138,34,1)
    Religion (263, 59, 1)
        History of Religions (55,14,0)
        Other Self-improvement Subjects (24,5,0)
        How to Overcome Shyness (72,4,0)
        How to Overcome Fears (57,1,0)
        How to Increase Motivation (97,3,0)
        How to Increase Self-Esteem (104,3,0)
        Personal Development (112,11,0)
    Self-improvement (703, 49, 0)
        Self-improvement in General (237,22,0)
        Skating (2,3,0)
        Other Sports (99,40,0)
        Ski, Snowboard (1,1,0)
        Golf (3,2,0)
        Martial Arts, Self-Defense (27,7,0)
        Swimming (25,16,0)
    Sports (157, 69, 0)
        Other Theatre Subjects (12,5,0)
        Theatre Acting (51,39,0)
        Theatre Directing (13,1,0)
    Theatre, Drama (113, 50, 0)
        Theatre History (37,5,0)
        Party Organization (13,2,0)
        Tour and Travel Management (76,29,0)
        Restaurant Management (16,3,0)
        Event Management (22,6,1)
        Hotel Management (36,19,0)
    Tourism and Entertainment (163, 59, 1)
        Other Sciences and Technologies (95,50,1)
        Statistics (209,68,15)
        Geology, Earth Sciences (94,44,3)
        Quantity surveyor and land surveyor subjects (22,3,0)
        Botany (71,3,0)
        Astronomy (16,8,0)
        Zoology (79,7,0)
        Zootechny, Animal Farming (7,3,0)
    Other Sciences (756, 227, 21)
        Agriculture, Agronomy (35,5,0)
        Ecology, Environment Sciences (99,26,2)
        Architecture (29,10,0)
        Sociology (124,30,0)
        Other Social Sciences (29,19,0)
        Linguistics (72,24,2)
        Geography (201,44,0)
        Social Sciences in General (154,33,2)
        Anthropology (61,11,0)
        Pedagogy, Education (93,19,1)
    Other Social Sciences (734, 180, 5)
        Numerology (7,2,0)
        Psychic Reading (3,5,0)
        Magic, Illusionism, Prestidigitation (1,2,0)
        Pets and Animals (19,9,0)
        Private investigations (detective) (0,1,0)
        Other Subjects (285,200,6)
        Shiatsu Massage
        Astrology and horoscope (8,3,0)
        Meditation (23,5,0)
        Reiki (6,1,0)
        Yoga (25,5,0)
        Dance (29,11,0)
        Disk Jockey (1,0,0)
        Fashion and Textiles (23,9,2)
        Public Speaking (108,13,0)
        Life Coaching (83,6,0)
        Archaeology (14,4,0)
    Other (1229, 345, 11)
        Primary School Subjects (568,57,3)
        Antiques (1,5,0)
        Interior design and decoration (25,7,0)