Subjects

    Arts (818, 436, 9)
        Arts in General (148,157,4)
        History of Arts (310,60,2)
        Painting (63,34,0)
        Drawing (126,82,1)
        Animation (16,22,0)
        Graphic Design (98,49,2)
        Other Arts (57,32,0)
    Biology (2094, 696, 27)
        Biology in General (1404,513,14)
        Genetics (329,93,9)
        Other Biology Subjects (361,90,4)
    Body and Health (999, 295, 22)
        Body in General (134,52,1)
        Anatomy and Physiology (311,86,13)
        Alternative Medicine (42,10,2)
        Medicine and Health (140,61,3)
        First Aid Training (54,8,0)
        Pharmacology (123,23,2)
        Dietetics (44,7,0)
        Sexuality (40,26,0)
        Cosmetics (20,3,0)
        Personal Training (49,8,0)
        Other Body Subjects (42,11,1)
        Other Chemistry Subjects (382,84,2)
        Chemistry in General (1518,541,30)
    Chemistry (1900, 625, 32)
        Cinema History (42,7,0)
        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)
    Computers, ICT (6091, 2065, 201)
        Computers in General (1017,444,17)
        Computer Literacy (238,48,1)
        Programming Languages (2349, 979, 129)
        Operating Systems (282, 72, 7)
            Ruby (1,0,0)
            Transact-SQL (27,9,2)
            Unix Shells (47,13,1)
        IT Quality Assurance (32,7,0)
            Unix (39,13,1)
        Content Management Systems - CMS (71, 31, 4)
            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)
        Other Computer Subjects (151,53,2)
        Search Engine Optimization - SEO (26,9,0)
        Ethical hacking (16,19,2)
            Other computer applications (24,5,0)
            Apple Final Cut (1,1,0)
            Maxon Cinema 4D (0,1,0)
            Desktop Publishing Software (6,1,0)
        IT Project Management (80,44,6)
            AutoCAD (48,20,4)
            Adobe Photoshop (38,11,0)
            Microsoft Access (42,13,2)
            Microsoft Excel (206,20,1)
            Microsoft PowerPoint (144,5,0)
            Microsoft Word (223,16,0)
        Computer Applications (732, 93, 7)
            Mac OS (17,3,0)
            Linux (74,36,6)
            Windows (152,20,0)
        Data Security (37,17,2)
            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)
            SQL Server (145,36,4)
        Databases (633, 121, 13)
            Database Theory (145,16,2)
            Wordpress (43,18,2)
            Other CMS (15,3,0)
            Joomla (13,10,2)
            Software Development Platforms in General (36,29,2)
            Software development for other mobile systems (4,2,0)
            Microsoft .NET (107,28,0)
        Software Development Platforms (300, 89, 6)
            Perl (8,1,0)
            Swift (3,3,0)
            Python (111,75,12)
            Visual Basic (73,14,1)
            Objective-C (8,2,0)
            Node.js (2,1,0)
            PHP (164,77,14)
            Javascript (204,80,7)
            Java (457,281,40)
            HTML/CSS (328,90,9)
            C# (174,145,25)
            C++ (388,96,10)
            C (113,15,3)
            Programming Languages in General (241,77,5)
        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)
        Italian Cuisine (48,5,1)
    Cooking, Food and Drink (249, 69, 2)
        Cooking, food and drink in general (122,36,1)
        Construction (5,2,0)
        Butchery
        Other Crafts (26,2,0)
        Plumbing (2,8,0)
        Blacksmith Works (1,0,0)
        Mechanic Works (2,2,1)

    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)
        Finance and Banking (223,87,2)
        Personnel Recruiting (15,0,0)
    Economics, Business (2955, 834, 29)
        Quality Assurance (13,2,0)
        Project Management (75,30,1)
        Job Interview Preparation (64,2,0)
        Job Search (23,1,0)
        Human Resource Management (120,27,2)
        Procurements (6,4,0)
        Advertising (45,6,0)
        Marketing (190,58,1)
        Public Relations (25,5,0)
        Business Management (304,138,3)
        Insurance (22,3,0)
        Investments (67,12,1)
        Tax (72,12,0)
            Other accounting and ERP software (13,2,0)
            Quickbooks (7,6,0)
        Accounting and ERP software (46, 14, 0)
            SAP (26,6,0)
        Micro-economics (286,52,2)
        Accounting and Bookkeeping (484,91,7)
        Macro-economics (259,49,2)
        Economics in General (616,241,8)
        Motorcycle Engineering (17,5,0)
        Aviation Engineering (45,24,2)
        Other Engineering (563,366,20)
    Engineering (701, 432, 22)
        Automobile Engineering (76,37,0)
        Historiography (11,0,0)
        Other History Subjects (44,35,1)
    History (1418, 382, 11)
        History in general (846,209,5)
        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)
        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)
            Other Games (10,3,1)
        Other Hobbies (50,23,0)
        Graphology, Handwriting Analysis (10,3,0)
        Games (83, 26, 1)
            Chesss (35,3,0)
            Computer Games (25,17,0)
            Society Games (2,0,0)
            Card Games (11,3,0)
        Gardening (19,6,0)
    Hobbies (162, 58, 1)
        Internet in General (373,50,0)
        Other Internet subjects (21,7,1)
        Internet Marketing (66,16,2)
        Internet Services (32,7,1)
        Internet Regulations (5,1,0)
        Internet Sociology (10,2,0)
        Internet Technology (106,41,2)
    Internet (613, 124, 6)
        Indonesian (13,6,0)
        Latin (360,27,0)
        Norwegian (4,0,0)
        Other Languages (321,34,2)
        Swedish (14,3,0)
        Spanish (1183,211,13)
        Swahili (147,28,4)
        Sanskrit (14,6,1)
        Russian (280,33,1)
        Polish (25,0,0)
        Portuguese (122,21,1)
        Japanese (63,26,0)
        Italian (1282,81,10)
        Hindi-Urdu (178,8,0)
        German (495,174,18)
        Greek (modern) (64,4,1)
        Greek (ancient) (192,11,1)
        Hebrew (18,9,0)
        French (1092,237,11)
        English (5126,823,71)
        Finnish (5,0,0)
    Languages (11553, 1858, 140)
        Arabic (305,52,2)
        Bulgarian (22,2,0)
        Chinese (Mandarin) (194,48,1)
        Czech (9,1,0)
        Danish (6,1,0)
        Dutch (19,12,3)
        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)
    Law (688, 139, 3)
        Law in General (315,63,1)
        Italian Literature (548,39,0)
        Spanish Literature (141,15,0)
        Other National Literatures (46,4,0)
        Creative Writing (370,62,7)
        Poetry (118,27,3)
        Humour (8,2,0)
        Journalism (54,14,0)
        Other Literature Subjects (77,22,5)
        History of Literature (144,8,0)
        German Literature (63,10,0)
        English Literature (670,212,10)
        French Literature (186,17,0)
    Literature, Writing (3194, 609, 35)
        Literature in General (695,164,9)
        Classical Studies (74,13,1)

    Mathematics (10898, 2737, 202)
        Mathematics in General (4151,1169,67)
        Algebra (2092,811,73)
        Trigonometry (1512,179,6)
        Calculus (1259,214,16)
        Differential equations (845,81,8)
        Matlab (192,41,5)
        Other mathematical subjects (847,242,27)
        Newspaper and Magazine Publishing (19,6,0)
    Media, TV, Radio, Publishing (116, 71, 1)
        Media and Publishing in General (35,37,1)
        Video Editing (35,14,0)
        Sound Engineering (8,4,0)
        TV and Radio Production (19,10,0)
        Singing (88,32,2)
        Other Music Subjects (59,15,0)
        Other musical instruments (33,21,0)
        Harmonica (1,0,0)
        Violin (12,14,0)
        Drums, Percussions (10,6,0)
        Flute (18,5,0)
        Guitar (69,23,1)
        Bass Guitar (18,3,0)
        Piano, Organ (86,34,0)
        Music software and Technology (17,9,0)
        Solfege (88,11,0)
    Music (568, 190, 4)
        History of Music (69,17,1)
        Other Philosophy Subjects (76,17,0)
        Philosophical counseling (21,1,0)
    Philosophy (761, 107, 4)
        History of Philosophy (229,23,0)
        Philosophy in General (435,66,4)
    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)
        Other Physics Subjects (365,59,1)
        Electricity and Electronics (532,63,4)
    Physics (2751, 571, 32)
        Physics in General (1854,449,27)
        Other Politics Subjects (23,11,2)
        History of Politics (28,7,0)
        Political Science in General (124,42,2)
    Politics (175, 60, 4)
        Psychotherapy (39,12,0)
        Other Mind-related Subjects (72,15,1)
        Love and Relationship (70,11,0)
        Motivation (80,10,0)
        Psychology in General (347,123,4)
        Emotion (68,9,0)
    Psychology (676, 180, 5)
        Other Religion Subjects (70,11,0)
        Religion in General (139,34,1)
    Religion (265, 59, 1)
        History of Religions (56,14,0)
        Self-improvement in General (237,22,0)
        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 (705, 49, 0)
        Golf (3,2,0)
        Martial Arts, Self-Defense (27,7,0)
        Other Sports (99,40,0)
        Skating (2,3,0)
        Ski, Snowboard (1,1,0)
    Sports (157, 69, 0)
        Swimming (25,16,0)
    Theatre, Drama (113, 50, 0)
        Theatre History (37,5,0)
        Theatre Acting (51,39,0)
        Theatre Directing (13,1,0)
        Other Theatre Subjects (12,5,0)
        Tour and Travel Management (76,29,0)
        Party Organization (13,2,0)
        Hotel Management (36,19,0)
        Restaurant Management (16,3,0)
        Event Management (22,6,1)
    Tourism and Entertainment (163, 59, 1)
    Other Sciences (758, 227, 21)
        Agriculture, Agronomy (35,5,0)
        Architecture (29,10,0)
        Ecology, Environment Sciences (99,26,2)
        Astronomy (17,8,0)
        Botany (71,3,0)
        Statistics (210,68,15)
        Other Sciences and Technologies (95,50,1)
        Zootechny, Animal Farming (7,3,0)
        Geology, Earth Sciences (94,44,3)
        Quantity surveyor and land surveyor subjects (22,3,0)
        Zoology (79,7,0)
        Pedagogy, Education (94,19,1)
        Geography (204,44,0)
        Linguistics (72,24,2)
        Sociology (125,30,0)
        Other Social Sciences (29,19,0)
    Other Social Sciences (740, 180, 5)
        Social Sciences in General (154,33,2)
        Anthropology (62,11,0)
        Other Subjects (285,200,6)
        Private investigations (detective) (0,1,0)
        Pets and Animals (19,9,0)
        Magic, Illusionism, Prestidigitation (1,2,0)
        Psychic Reading (3,5,0)
        Numerology (7,2,0)
        Shiatsu Massage
        Astrology and horoscope (8,3,0)
        Reiki (6,1,0)
        Yoga (25,5,0)
        Meditation (23,5,0)
        Dance (29,11,0)
        Disk Jockey (1,0,0)
        Public Speaking (108,13,0)
        Life Coaching (83,6,0)
        Fashion and Textiles (23,9,2)
        Archaeology (14,4,0)
        Interior design and decoration (25,7,0)
    Other (1229, 345, 11)
        Primary School Subjects (568,57,3)
        Antiques (1,5,0)