Subjects

    Arts (823, 438, 9)
        Arts in General (149,157,4)
        History of Arts (311,61,2)
        Painting (64,34,0)
        Drawing (127,82,1)
        Animation (16,23,0)
        Graphic Design (98,49,2)
        Other Arts (58,32,0)
    Biology (2115, 700, 27)
        Biology in General (1420,517,14)
        Genetics (332,93,9)
        Other Biology Subjects (363,90,4)
    Body and Health (1008, 297, 22)
        Body in General (135,52,1)
        Anatomy and Physiology (314,86,13)
        Alternative Medicine (42,10,2)
        Medicine and Health (141,62,3)
        First Aid Training (54,8,0)
        Pharmacology (125,24,2)
        Dietetics (44,7,0)
        Sexuality (41,26,0)
        Cosmetics (20,3,0)
        Personal Training (49,8,0)
        Other Body Subjects (43,11,1)
    Chemistry (1907, 628, 32)
        Chemistry in General (1524,544,30)
        Other Chemistry Subjects (383,84,2)
    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 (6100, 2065, 201)
        Computers in General (1019,444,17)
        Computer Literacy (238,48,1)
        Programming Languages (2351, 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 (329,90,9)
            Javascript (205,80,7)
            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, 16, 3)
            iOS software development (10,2,0)
            Android software development (42,12,3)
            Software development for other mobile systems (4,2,0)
        Content Management Systems - CMS (71, 32, 4)
            Joomla (13,10,2)
            Wordpress (43,19,2)
            Other CMS (15,3,0)
        Databases (635, 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 (126,17,0)
        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 (735, 93, 7)
            Microsoft Word (224,16,0)
            Microsoft Excel (207,20,1)
            Microsoft PowerPoint (145,5,0)
            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, 70, 2)
        Cooking, food and drink in general (122,37,1)
        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)
        Project Management (75,30,1)
        Quality Assurance (13,2,0)
        Tax (72,12,0)
        Finance and Banking (224,87,2)
        Investments (67,12,1)
        Insurance (22,3,0)
        Business Management (307,139,3)
        Public Relations (25,5,0)
        Marketing (191,58,1)
        Advertising (45,6,0)
        Procurements (6,4,0)
        Human Resource Management (121,27,2)

    Economics, Business (2974, 835, 29)
        Economics in General (619,241,8)
        Macro-economics (261,49,2)
        Micro-economics (288,52,2)
        Accounting and Bookkeeping (488,91,7)
        Accounting and ERP software (47, 14, 0)
            SAP (26,6,0)
            Quickbooks (7,6,0)
        Job Interview Preparation (65,2,0)
        Job Search (23,1,0)
        Personnel Recruiting (15,0,0)
            Other accounting and ERP software (14,2,0)
        Aviation Engineering (45,24,2)
    Engineering (706, 434, 22)
        Automobile Engineering (76,37,0)
        Other Engineering (568,368,20)
        Motorcycle Engineering (17,5,0)
        History - Earliest records (2500 - 500 BCE) (31,3,0)
        History of Australia (3,1,0)
        Historiography (11,0,0)
        Other History Subjects (44,35,1)
        History - Middle Ages (500-1492) (60,18,1)
        History - Early modern (1492-1789) (54,13,0)
        History of Africa (18,5,0)
        History of Asia (36,8,0)
        History of Europe (49,9,1)
        History of the Americas (42,33,2)
        History - Modern (1789-1989) (57,22,0)
        History - Antiquity (500 BCE - 500 CE) (59,7,0)
        Pre-historic (< 2500 BCE) (9,6,0)
        Contemporary History (100,14,1)
    History (1422, 383, 11)
        History in general (849,209,5)
            Computer Games (25,17,0)
            Other Games (10,3,1)
        Other Hobbies (50,23,0)
    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)
        Internet Services (32,7,1)
        Internet Regulations (5,1,0)
        Internet Sociology (10,2,0)
        Internet Marketing (66,16,2)
        Other Internet subjects (21,7,1)
    Internet (613, 124, 6)
        Internet in General (373,50,0)
        Internet Technology (106,41,2)
        Swahili (147,28,4)
        Finnish (5,0,0)
        French (1099,239,11)
        German (501,174,18)
        Greek (modern) (64,4,1)
        Greek (ancient) (192,11,1)
        Hebrew (18,9,0)
        Hindi-Urdu (180,8,0)
        Italian (1292,82,10)
        Indonesian (13,6,0)
        Latin (362,27,0)
        Norwegian (4,0,0)
        Japanese (63,26,0)
        Polish (26,0,0)
        Portuguese (123,21,1)
        Russian (282,34,1)
        Sanskrit (14,6,1)
        Spanish (1189,211,13)
        Swedish (14,3,0)
        Other Languages (322,34,2)
    Languages (11629, 1862, 140)
        Arabic (309,52,2)
        Bulgarian (22,2,0)
        Chinese (Mandarin) (194,48,1)
        Czech (9,1,0)
        Danish (6,1,0)
        Dutch (20,12,3)
        English (5159,823,71)
        Civil Law (76,10,0)
        Intellectual Property Law (Copyright) (17,1,0)
        Other Law Subjects (77,17,1)
        Criminal Law (52,24,0)
        International Law (55,11,1)
        Public Law (96,13,0)
    Law (688, 139, 3)
        Law in General (315,63,1)
    Literature, Writing (3221, 611, 35)
        Literature in General (698,164,9)
        Classical Studies (76,13,1)
        History of Literature (145,8,0)
        German Literature (63,10,0)
        English Literature (681,214,10)
        French Literature (188,17,0)
        Italian Literature (550,39,0)
        Spanish Literature (143,15,0)
        Other National Literatures (47,4,0)
        Creative Writing (372,62,7)
        Poetry (119,27,3)
        Other Literature Subjects (77,22,5)
        Journalism (54,14,0)
        Humour (8,2,0)
        Other mathematical subjects (861,242,27)
        Matlab (193,41,5)
        Differential equations (855,81,8)
        Trigonometry (1528,179,6)
        Calculus (1274,215,16)
        Algebra (2113,813,73)
        Mathematics in General (4183,1173,67)

    Mathematics (11007, 2744, 202)
        Sound Engineering (8,4,0)
        Newspaper and Magazine Publishing (19,6,0)
        TV and Radio Production (19,10,0)
        Video Editing (35,14,0)
        Media and Publishing in General (35,37,1)
    Media, TV, Radio, Publishing (116, 71, 1)
    Music (569, 191, 4)
        History of Music (69,17,1)
        Solfege (89,11,0)
        Music software and Technology (17,9,0)
        Piano, Organ (86,34,0)
        Guitar (69,23,1)
        Bass Guitar (18,4,0)
        Flute (18,5,0)
        Drums, Percussions (10,6,0)
        Harmonica (1,0,0)
        Violin (12,14,0)
        Singing (88,32,2)
        Other musical instruments (33,21,0)
        Other Music Subjects (59,15,0)
        Philosophy in General (436,66,4)
        Philosophical counseling (21,1,0)
        Other Philosophy Subjects (76,17,0)
    Philosophy (762, 107, 4)
        History of Philosophy (229,23,0)
    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)
        Electricity and Electronics (537,64,4)
        Other Physics Subjects (367,60,1)
        Physics in General (1871,450,27)
    Physics (2775, 574, 32)
        History of Politics (29,7,0)
        Other Politics Subjects (23,11,2)
        Political Science in General (125,42,2)
    Politics (177, 60, 4)
        Love and Relationship (70,11,0)
        Other Mind-related Subjects (72,15,1)
    Psychology (680, 180, 5)
        Psychology in General (350,123,4)
        Motivation (80,10,0)
        Emotion (68,9,0)
        Psychotherapy (40,12,0)
    Religion (268, 59, 1)
        History of Religions (56,14,0)
        Religion in General (141,34,1)
        Other Religion Subjects (71,11,0)
        How to Overcome Fears (57,1,0)
        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)
        Other Self-improvement Subjects (24,5,0)
    Self-improvement (705, 49, 0)
        Self-improvement in General (237,22,0)
        Other Sports (99,40,0)
        Skating (2,3,0)
        Ski, Snowboard (1,1,0)
    Sports (159, 69, 0)
        Swimming (27,16,0)
        Golf (3,2,0)
        Martial Arts, Self-Defense (27,7,0)
    Theatre, Drama (114, 50, 0)
        Theatre History (37,5,0)
        Theatre Acting (52,39,0)
        Theatre Directing (13,1,0)
        Other Theatre Subjects (12,5,0)
        Event Management (23,6,1)
        Party Organization (13,2,0)
        Tour and Travel Management (76,29,0)
        Restaurant Management (16,3,0)
        Hotel Management (36,19,0)
    Tourism and Entertainment (164, 59, 1)
        Architecture (29,10,0)
        Ecology, Environment Sciences (101,26,2)
        Astronomy (17,8,0)
        Zoology (79,7,0)
    Other Sciences (762, 227, 21)
        Agriculture, Agronomy (35,5,0)
        Other Sciences and Technologies (95,50,1)
        Statistics (212,68,15)
        Botany (71,3,0)
        Quantity surveyor and land surveyor subjects (22,3,0)
        Geology, Earth Sciences (94,44,3)
        Zootechny, Animal Farming (7,3,0)
        Other Social Sciences (29,19,0)
        Sociology (125,30,0)
        Linguistics (73,24,2)
        Geography (204,44,0)
        Pedagogy, Education (94,19,1)
        Anthropology (62,11,0)
    Other Social Sciences (741, 180, 5)
        Social Sciences in General (154,33,2)
        Archaeology (14,4,0)
        Interior design and decoration (25,7,0)
        Antiques (1,5,0)
    Other (1234, 347, 11)
        Primary School Subjects (569,57,3)
        Private investigations (detective) (0,1,0)
        Other Subjects (286,202,6)
        Magic, Illusionism, Prestidigitation (1,2,0)
        Pets and Animals (20,9,0)
        Numerology (7,2,0)
        Psychic Reading (3,5,0)
        Shiatsu Massage
        Astrology and horoscope (8,3,0)
        Reiki (6,1,0)
        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)
        Meditation (23,5,0)