Subjects

        Painting (64,34,0)
        Drawing (127,82,1)
        Animation (16,23,0)
        Graphic Design (98,49,2)
        Other Arts (58,32,0)
    Arts (823, 437, 9)
        Arts in General (149,157,4)
        History of Arts (311,60,2)
    Biology (2105, 698, 27)
        Biology in General (1412,515,14)
        Genetics (331,93,9)
        Other Biology Subjects (362,90,4)
    Body and Health (1000, 296, 22)
        Body in General (135,52,1)
        Anatomy and Physiology (311,86,13)
        Alternative Medicine (42,10,2)
        Medicine and Health (140,61,3)
        First Aid Training (54,8,0)
        Pharmacology (123,24,2)
        Dietetics (44,7,0)
        Sexuality (40,26,0)
        Cosmetics (20,3,0)
        Personal Training (49,8,0)
        Other Body Subjects (42,11,1)
    Chemistry (1903, 627, 32)
        Chemistry in General (1521,543,30)
        Other Chemistry Subjects (382,84,2)
    Cinema (120, 39, 0)
        Cinema in General (49,15,0)
        Cinema History (42,7,0)
        Cinema Acting (11,7,0)
        Cinema Directing (9,7,0)
        Other Cinema Subjects (9,3,0)
    Computers, ICT (6093, 2065, 201)
        Computers in General (1018,444,17)
        Computer Literacy (238,48,1)
        Programming Languages (2349, 979, 129)
            Programming Languages in General (241,77,5)
            C (113,15,3)
            C++ (388,96,10)
            C# (174,145,25)
            Java (457,281,40)
            HTML/CSS (328,90,9)
            Javascript (204,80,7)
            PHP (164,77,14)
            Node.js (2,1,0)
            Objective-C (8,2,0)
            Visual Basic (73,14,1)
            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 (300, 89, 6)
            Software Development Platforms in General (36,29,2)
            Microsoft .NET (107,28,0)
            Apache MySQL PHP (59,11,2)
            Java Development Platform (98,21,2)
            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)
        Content Management Systems - CMS (71, 31, 4)
            Joomla (13,10,2)
            Wordpress (43,18,2)
            Other CMS (15,3,0)
        Databases (634, 121, 13)
            Database Theory (145,16,2)
            SQL Server (146,36,4)
            Databases - Oracle (101,29,5)
            Databases - DB2 (11,2,0)
            Databases - Teradata (5,1,1)
            Databases - MySQL (101,20,1)
            SQL Language (125,17,0)
        Data Communications (71,22,2)
        Data Security (37,17,2)
        Operating Systems (282, 72, 7)
            Unix (39,13,1)
            Windows (152,20,0)
            Linux (74,36,6)
            Mac OS (17,3,0)
        Computer Applications (732, 93, 7)
            Microsoft Word (223,16,0)
            Microsoft Excel (206,20,1)
            Microsoft PowerPoint (144,5,0)
            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 (24,5,0)
        IT Project Management (80,44,6)
        IT Quality Assurance (32,7,0)
        Search Engine Optimization - SEO (26,9,0)
        Ethical hacking (16,19,2)
        Other Computer Subjects (151,53,2)
    Cooking, Food and Drink (249, 69, 2)
        Cooking, food and drink in general (122,36,1)
        Italian Cuisine (48,5,1)
        French Cuisine (9,5,0)
        Oriental Cuisine (11,3,0)
        Pastry (19,3,0)
        Wine making, Enology (1,2,0)
        Wine tasting (1,1,0)
        Beer making (2,0,0)
        Other Food and Drink Subjects (36,14,0)
    Crafts (107, 32, 2)
        Do-it-yourself (52,9,1)
        Pottery (3,3,0)
        Jewelery (10,3,0)
        Carpentry (3,2,0)
        Electric Works (3,1,0)
        Construction (5,2,0)
        Butchery
        Plumbing (2,8,0)
        Blacksmith Works (1,0,0)
        Mechanic Works (2,2,1)
        Other Crafts (26,2,0)

    Economics, Business (2960, 834, 29)
        Economics in General (616,241,8)
        Macro-economics (259,49,2)
        Micro-economics (286,52,2)
        Accounting and Bookkeeping (485,91,7)
        Accounting and ERP software (46, 14, 0)
            SAP (26,6,0)
            Quickbooks (7,6,0)
            Other accounting and ERP software (13,2,0)
        Tax (72,12,0)
        Finance and Banking (224,87,2)
        Investments (67,12,1)
        Insurance (22,3,0)
        Business Management (305,138,3)
        Public Relations (25,5,0)
        Marketing (191,58,1)
        Advertising (45,6,0)
        Procurements (6,4,0)
        Human Resource Management (120,27,2)
        Personnel Recruiting (15,0,0)
        Job Search (23,1,0)
        Job Interview Preparation (65,2,0)
        Project Management (75,30,1)
        Quality Assurance (13,2,0)
    Engineering (705, 433, 22)
        Automobile Engineering (76,37,0)
        Motorcycle Engineering (17,5,0)
        Aviation Engineering (45,24,2)
        Other Engineering (567,367,20)
        History of the Americas (42,33,2)
        History of Europe (49,9,1)
        History of Asia (35,8,0)
        History of Africa (18,5,0)
        History of Australia (3,1,0)
        Historiography (11,0,0)
        Other History Subjects (44,35,1)
    History (1421, 382, 11)
        History in general (849,209,5)
        Contemporary History (100,14,1)
        Pre-historic (< 2500 BCE) (9,6,0)
        History - Earliest records (2500 - 500 BCE) (31,3,0)
        History - Antiquity (500 BCE - 500 CE) (59,7,0)
        History - Middle Ages (500-1492) (60,18,1)
        History - Early modern (1492-1789) (54,13,0)
        History - Modern (1789-1989) (57,21,0)
    Hobbies (162, 58, 1)
        Gardening (19,6,0)
        Graphology, Handwriting Analysis (10,3,0)
        Games (83, 26, 1)
            Other Games (10,3,1)
        Other Hobbies (50,23,0)
            Society Games (2,0,0)
            Computer Games (25,17,0)
            Chesss (35,3,0)
            Card Games (11,3,0)
        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 (613, 124, 6)
        Internet in General (373,50,0)
        Internet Technology (106,41,2)
        Italian (1289,82,10)
        Indonesian (13,6,0)
        Latin (362,27,0)
        Norwegian (4,0,0)
        Japanese (63,26,0)
        Polish (25,0,0)
        Portuguese (123,21,1)
        Russian (281,33,1)
        Sanskrit (14,6,1)
        Spanish (1188,211,13)
        Swahili (147,28,4)
        Swedish (14,3,0)
        Other Languages (321,34,2)
        Greek (ancient) (192,11,1)
        Hebrew (18,9,0)
        Hindi-Urdu (179,8,0)
        French (1098,237,11)
        German (499,174,18)
        Greek (modern) (64,4,1)
        Finnish (5,0,0)
        English (5149,823,71)
        Dutch (19,12,3)
        Danish (6,1,0)
        Chinese (Mandarin) (194,48,1)
        Czech (9,1,0)
        Bulgarian (22,2,0)
    Languages (11606, 1859, 140)
        Arabic (308,52,2)
    Law (688, 139, 3)
        Law in General (315,63,1)
        Public Law (96,13,0)
        Civil Law (76,10,0)
        Criminal Law (52,24,0)
        International Law (55,11,1)
        Intellectual Property Law (Copyright) (17,1,0)
        Other Law Subjects (77,17,1)
    Literature, Writing (3209, 609, 35)
        Literature in General (695,164,9)
        Classical Studies (76,13,1)
        History of Literature (145,8,0)
        German Literature (63,10,0)
        English Literature (676,212,10)
        French Literature (187,17,0)
        Italian Literature (549,39,0)
        Spanish Literature (142,15,0)
        Other National Literatures (47,4,0)
        Creative Writing (371,62,7)
        Poetry (119,27,3)
        Humour (8,2,0)
        Journalism (54,14,0)
        Other Literature Subjects (77,22,5)
        Other mathematical subjects (852,242,27)
        Differential equations (846,81,8)
        Matlab (192,41,5)
        Algebra (2099,812,73)
        Trigonometry (1520,179,6)
        Calculus (1264,214,16)
        Mathematics in General (4164,1171,67)

    Mathematics (10937, 2740, 202)
        TV and Radio Production (19,10,0)
        Newspaper and Magazine Publishing (19,6,0)
        Video Editing (35,14,0)
        Sound Engineering (8,4,0)
        Media and Publishing in General (35,37,1)
    Media, TV, Radio, Publishing (116, 71, 1)
        Singing (88,32,2)
        Other musical instruments (33,21,0)
        Other Music Subjects (59,15,0)
        Drums, Percussions (10,6,0)
        Harmonica (1,0,0)
        Violin (12,14,0)
    Music (568, 190, 4)
        History of Music (69,17,1)
        Solfege (88,11,0)
        Music software and Technology (17,9,0)
        Piano, Organ (86,34,0)
        Guitar (69,23,1)
        Bass Guitar (18,3,0)
        Flute (18,5,0)
        Other Philosophy Subjects (76,17,0)
        Philosophy in General (436,66,4)
        Philosophical counseling (21,1,0)
        History of Philosophy (229,23,0)
    Philosophy (762, 107, 4)
        Other Photography Subjects (10,4,0)
        Image Processing Software (27,7,0)
        Analog Photography (10,1,0)
    Photography (104, 51, 0)
        Photography History (14,9,0)
        Digital Photography (43,30,0)
        Other Physics Subjects (366,59,1)
        Electricity and Electronics (535,63,4)
        Physics in General (1862,450,27)
    Physics (2763, 572, 32)
        Other Politics Subjects (23,11,2)
        History of Politics (28,7,0)
    Politics (176, 60, 4)
        Political Science in General (125,42,2)
    Psychology (678, 180, 5)
        Psychology in General (348,123,4)
        Motivation (80,10,0)
        Emotion (68,9,0)
        Psychotherapy (40,12,0)
        Love and Relationship (70,11,0)
        Other Mind-related Subjects (72,15,1)
        Other Religion Subjects (70,11,0)
        History of Religions (56,14,0)
        Religion in General (141,34,1)
    Religion (267, 59, 1)
        Personal Development (112,11,0)
        How to Increase Self-Esteem (105,3,0)
        How to Increase Motivation (97,3,0)
        How to Overcome Shyness (73,4,0)
        How to Overcome Fears (57,1,0)
        Other Self-improvement Subjects (24,5,0)
        Self-improvement in General (237,22,0)
    Self-improvement (705, 49, 0)
        Ski, Snowboard (1,1,0)
        Skating (2,3,0)
        Other Sports (99,40,0)
        Martial Arts, Self-Defense (27,7,0)
        Swimming (25,16,0)
        Golf (3,2,0)
    Sports (157, 69, 0)
        Theatre Directing (13,1,0)
        Other Theatre Subjects (12,5,0)
    Theatre, Drama (113, 50, 0)
        Theatre History (37,5,0)
        Theatre Acting (51,39,0)
        Tour and Travel Management (76,29,0)
        Restaurant Management (16,3,0)
        Party Organization (13,2,0)
        Hotel Management (36,19,0)
        Event Management (22,6,1)
    Tourism and Entertainment (163, 59, 1)
        Other Sciences and Technologies (95,50,1)
        Statistics (212,68,15)
        Botany (71,3,0)
        Geology, Earth Sciences (94,44,3)
        Quantity surveyor and land surveyor subjects (22,3,0)
        Zootechny, Animal Farming (7,3,0)
        Astronomy (17,8,0)
        Ecology, Environment Sciences (101,26,2)
        Zoology (79,7,0)
    Other Sciences (762, 227, 21)
        Architecture (29,10,0)
        Agriculture, Agronomy (35,5,0)
        Sociology (125,30,0)
        Other Social Sciences (29,19,0)
        Social Sciences in General (154,33,2)
        Anthropology (62,11,0)
        Linguistics (72,24,2)
        Geography (204,44,0)
        Pedagogy, Education (94,19,1)
    Other Social Sciences (740, 180, 5)
    Other (1233, 346, 11)
        Primary School Subjects (568,57,3)
        Antiques (1,5,0)
        Interior design and decoration (25,7,0)
        Archaeology (14,4,0)
        Fashion and Textiles (23,9,2)
        Public Speaking (109,13,0)
        Life Coaching (84,6,0)
        Dance (29,11,0)
        Disk Jockey (1,0,0)
        Yoga (25,5,0)
        Magic, Illusionism, Prestidigitation (1,2,0)
        Pets and Animals (20,9,0)
        Private investigations (detective) (0,1,0)
        Other Subjects (286,201,6)
        Psychic Reading (3,5,0)
        Numerology (7,2,0)
        Astrology and horoscope (8,3,0)
        Reiki (6,1,0)
        Shiatsu Massage
        Meditation (23,5,0)