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 (2118, 700, 27)
        Biology in General (1422,517,14)
        Genetics (332,93,9)
        Other Biology Subjects (364,90,4)
    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 (1909, 628, 32)
        Chemistry in General (1524,544,30)
        Other Chemistry Subjects (385,84,2)
    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)

    Economics, Business (2975, 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)
            Other accounting and ERP software (14,2,0)
        Tax (72,12,0)
        Finance and Banking (224,87,2)
        Investments (67,12,1)
        Insurance (22,3,0)
        Business Management (308,139,3)
        Public Relations (25,5,0)
        Marketing (191,58,1)
        Advertising (45,6,0)
        Procurements (6,4,0)
        Human Resource Management (121,27,2)
        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 (706, 434, 22)
        Automobile Engineering (76,37,0)
        Motorcycle Engineering (17,5,0)
        Aviation Engineering (45,24,2)
        Other Engineering (568,368,20)
        Other History Subjects (44,35,1)
    History (1423, 383, 11)
        History in general (850,209,5)
        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) (57,22,0)
        History of the Americas (42,33,2)
        History of Europe (49,9,1)
        History of Asia (36,8,0)
        History of Africa (18,5,0)
        History of Australia (3,1,0)
        Historiography (11,0,0)
    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)
    Internet (613, 124, 6)
        Internet in General (373,50,0)
        Internet Technology (106,41,2)
        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)
        Latin (363,27,0)
        Norwegian (4,0,0)
        Japanese (63,26,0)
        Polish (26,0,0)
        Portuguese (123,21,1)
        Russian (283,34,1)
    Languages (11638, 1863, 140)
        Arabic (310,52,2)
        Bulgarian (22,2,0)
        Chinese (Mandarin) (194,48,1)
        Czech (9,1,0)
        Danish (6,1,0)
        Dutch (20,12,3)
        English (5162,823,71)
        Finnish (5,0,0)
        Swedish (15,3,0)
        Other Languages (322,34,2)
        Spanish (1189,212,13)
        Swahili (148,28,4)
        Sanskrit (14,6,1)
        Hebrew (18,9,0)
        Hindi-Urdu (181,8,0)
        Italian (1292,82,10)
        Indonesian (13,6,0)
        Greek (modern) (64,4,1)
        Greek (ancient) (192,11,1)
        French (1099,239,11)
        German (501,174,18)
        Other Law Subjects (77,17,1)
        Intellectual Property Law (Copyright) (17,1,0)
        International Law (55,11,1)
        Criminal Law (52,24,0)
        Civil Law (76,10,0)
        Public Law (96,13,0)
    Law (688, 139, 3)
        Law in General (315,63,1)
        Journalism (54,14,0)
        Other Literature Subjects (77,22,5)
        Humour (8,2,0)
        Poetry (119,27,3)
        Creative Writing (373,62,7)
        Other National Literatures (47,4,0)
        Spanish Literature (143,15,0)
        Italian Literature (551,39,0)
        French Literature (188,17,0)
        History of Literature (145,8,0)
        German Literature (63,10,0)
        English Literature (682,214,10)
        Classical Studies (76,13,1)
    Literature, Writing (3224, 611, 35)
        Literature in General (698,164,9)
        Matlab (193,41,5)
        Other mathematical subjects (861,242,27)
        Calculus (1274,215,16)
        Differential equations (855,81,8)
        Mathematics in General (4186,1173,67)
        Algebra (2116,813,73)
        Trigonometry (1529,179,6)

    Mathematics (11014, 2744, 202)
        Newspaper and Magazine Publishing (19,6,0)
        TV and Radio Production (19,10,0)
        Video Editing (35,14,0)
        Sound Engineering (8,4,0)
    Media, TV, Radio, Publishing (116, 71, 1)
        Media and Publishing in General (35,37,1)
        Violin (12,14,0)
        Singing (88,32,2)
        Other musical instruments (33,21,0)
        Other Music Subjects (59,15,0)
        Harmonica (1,0,0)
        Drums, Percussions (10,6,0)
        Flute (18,5,0)
        Solfege (89,11,0)
        Guitar (69,23,1)
        Bass Guitar (18,4,0)
        Piano, Organ (86,34,0)
        Music software and Technology (17,9,0)
        History of Music (69,17,1)
    Music (569, 191, 4)
    Philosophy (762, 107, 4)
        History of Philosophy (229,23,0)
        Philosophy in General (436,66,4)
        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)
        Electricity and Electronics (537,64,4)
        Other Physics Subjects (368,60,1)
    Physics (2776, 574, 32)
        Physics in General (1871,450,27)
    Politics (177, 60, 4)
        Political Science in General (125,42,2)
        History of Politics (29,7,0)
        Other Politics Subjects (23,11,2)
        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)
        Love and Relationship (70,11,0)
        Other Religion Subjects (71,11,0)
        Religion in General (141,34,1)
        History of Religions (56,14,0)
    Religion (268, 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)
        Other Sports (99,40,0)
        Skating (2,3,0)
        Ski, Snowboard (1,1,0)
        Martial Arts, Self-Defense (27,7,0)
        Golf (3,2,0)
    Sports (159, 69, 0)
        Swimming (27,16,0)
        Theatre History (37,5,0)
        Theatre Acting (52,39,0)
        Theatre Directing (13,1,0)
        Other Theatre Subjects (12,5,0)
    Theatre, Drama (114, 50, 0)
        Tour and Travel Management (76,29,0)
        Party Organization (13,2,0)
        Event Management (23,6,1)
        Restaurant Management (16,3,0)
        Hotel Management (36,19,0)
    Tourism and Entertainment (164, 59, 1)
        Other Sciences and Technologies (95,50,1)
        Botany (71,3,0)
        Statistics (212,68,15)
        Zootechny, Animal Farming (7,3,0)
        Geology, Earth Sciences (94,44,3)
        Quantity surveyor and land surveyor subjects (22,3,0)
        Astronomy (17,8,0)
        Zoology (79,7,0)
        Ecology, Environment Sciences (101,26,2)
        Architecture (29,10,0)
        Agriculture, Agronomy (35,5,0)
    Other Sciences (762, 227, 21)
    Other Social Sciences (742, 180, 5)
        Social Sciences in General (155,33,2)
        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)
        Pets and Animals (20,9,0)
        Private investigations (detective) (0,1,0)
        Other Subjects (286,202,6)
        Magic, Illusionism, Prestidigitation (1,2,0)
        Psychic Reading (3,5,0)
        Numerology (7,2,0)
        Astrology and horoscope (8,3,0)
        Dance (29,11,0)
        Reiki (6,1,0)
        Shiatsu Massage
        Meditation (23,5,0)
        Yoga (25,5,0)
        Disk Jockey (1,0,0)
        Life Coaching (84,6,0)
        Public Speaking (109,13,0)
        Archaeology (14,4,0)
        Fashion and Textiles (23,9,2)
        Antiques (1,5,0)
        Interior design and decoration (25,7,0)
    Other (1234, 347, 11)
        Primary School Subjects (569,57,3)