Subjects

    Arts (823, 439, 9)
        Arts in General (149,158,4)
        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 (2120, 700, 27)
        Biology in General (1424,517,14)
        Genetics (332,93,9)
        Other Biology Subjects (364,90,4)
    Body and Health (1009, 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 (21,3,0)
        Personal Training (49,8,0)
        Other Body Subjects (43,11,1)
    Chemistry (1913, 628, 32)
        Chemistry in General (1527,544,30)
        Other Chemistry Subjects (386,84,2)
    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, 2066, 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, 94, 7)
            Microsoft Word (224,16,0)
            Microsoft Excel (207,20,1)
            Microsoft PowerPoint (145,5,0)
            Microsoft Access (42,14,2)
            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 in general (122,37,1)
        Italian Cuisine (48,5,1)
    Cooking, Food and Drink (249, 70, 2)
        Other Food and Drink Subjects (36,14,0)
        Beer making (2,0,0)
        Wine tasting (1,1,0)
        Wine making, Enology (1,2,0)
        Pastry (19,3,0)
        Oriental Cuisine (11,3,0)
        French Cuisine (9,5,0)
        Construction (5,2,0)
        Other Crafts (26,2,0)
        Mechanic Works (2,2,1)
        Blacksmith Works (1,0,0)
        Butchery
        Plumbing (2,8,0)
        Carpentry (3,2,0)
        Electric Works (3,1,0)
        Pottery (3,3,0)
        Jewelery (10,3,0)
        Do-it-yourself (52,9,1)

    Crafts (107, 32, 2)
        Personnel Recruiting (15,0,0)
            Other accounting and ERP software (14,2,0)
        Project Management (75,30,1)
        Quality Assurance (13,2,0)
        Marketing (191,58,1)
        Advertising (45,6,0)
        Procurements (6,4,0)
        Job Interview Preparation (65,2,0)
        Job Search (23,1,0)
        Public Relations (25,5,0)
        Human Resource Management (121,27,2)
        Business Management (310,139,3)
        Insurance (22,3,0)
        Finance and Banking (224,87,2)
        Investments (67,12,1)
        Tax (72,12,0)
        Economics in General (620,241,8)
        Macro-economics (261,49,2)
        Micro-economics (289,52,2)
        Accounting and Bookkeeping (488,91,7)
        Accounting and ERP software (47, 14, 0)
            SAP (26,6,0)
            Quickbooks (7,6,0)
    Economics, Business (2979, 835, 29)
        Other Engineering (568,369,20)
        Motorcycle Engineering (17,5,0)
        Aviation Engineering (45,24,2)
    Engineering (706, 435, 22)
        Automobile Engineering (76,37,0)
        History of Asia (36,8,0)
        History of Africa (18,5,0)
        History of Australia (3,1,0)
        Historiography (11,0,0)
        Other History Subjects (44,35,1)
        History of Europe (49,9,1)
        History of the Americas (42,33,2)
        History - Modern (1789-1989) (57,22,0)
        History - Middle Ages (500-1492) (60,18,1)
        History - Early modern (1492-1789) (54,13,0)
        History - Earliest records (2500 - 500 BCE) (31,3,0)
        History - Antiquity (500 BCE - 500 CE) (59,7,0)
        Pre-historic (< 2500 BCE) (9,6,0)
        Contemporary History (100,14,1)
        History in general (851,209,5)
    History (1424, 383, 11)
        Other Hobbies (50,23,0)
            Other Games (10,3,1)
            Computer Games (25,17,0)
        Games (83, 26, 1)
            Chesss (35,3,0)
            Card Games (11,3,0)
            Society Games (2,0,0)
    Hobbies (162, 58, 1)
        Gardening (19,6,0)
        Graphology, Handwriting Analysis (10,3,0)
    Internet (613, 124, 6)
        Internet in General (373,50,0)
        Internet Marketing (66,16,2)
        Other Internet subjects (21,7,1)
        Internet Regulations (5,1,0)
        Internet Sociology (10,2,0)
        Internet Services (32,7,1)
        Internet Technology (106,41,2)
        Swedish (15,3,0)
        Other Languages (321,34,2)
        Polish (26,0,0)
        Portuguese (123,21,1)
        Russian (284,34,1)
        Sanskrit (14,6,1)
        Spanish (1189,213,13)
        Swahili (148,28,4)
        Latin (363,27,0)
        Norwegian (4,0,0)
        Japanese (63,26,0)
        Indonesian (13,6,0)
        Italian (1294,82,10)
        Hindi-Urdu (181,8,0)
        Hebrew (18,9,0)
        Czech (9,1,0)
        Danish (6,1,0)
        Dutch (20,12,3)
        English (5167,823,71)
        Finnish (5,0,0)
        French (1101,239,11)
        German (501,174,18)
        Greek (modern) (64,4,1)
        Greek (ancient) (192,11,1)
        Bulgarian (22,2,0)
        Chinese (Mandarin) (194,48,1)
        Arabic (310,53,2)
    Languages (11647, 1865, 140)
    Law (688, 139, 3)
        Law in General (315,63,1)
        Public Law (96,13,0)
        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)
        Spanish Literature (143,15,0)
        Other National Literatures (47,4,0)
        Creative Writing (373,62,7)
        Poetry (119,27,3)
        Humour (8,2,0)
        Journalism (54,14,0)
        Other Literature Subjects (77,22,5)
        English Literature (684,214,10)
        Italian Literature (551,39,0)
        History of Literature (145,8,0)
        German Literature (63,10,0)
        French Literature (188,17,0)
        Classical Studies (76,13,1)
        Literature in General (698,164,9)
    Literature, Writing (3226, 611, 35)
        Other mathematical subjects (862,242,27)
        Differential equations (856,81,8)
        Matlab (193,41,5)
        Calculus (1275,215,16)
        Algebra (2118,814,73)
        Trigonometry (1531,179,6)

    Mathematics (11025, 2746, 202)
        Mathematics in General (4190,1174,67)
        Newspaper and Magazine Publishing (20,6,0)
    Media, TV, Radio, Publishing (117, 71, 1)
        Media and Publishing in General (35,37,1)
        TV and Radio Production (19,10,0)
        Sound Engineering (8,4,0)
        Video Editing (35,14,0)
        Other Music Subjects (59,15,0)
        Singing (88,32,2)
        Other musical instruments (33,21,0)
        Violin (12,14,0)
        Harmonica (1,0,0)
        Drums, Percussions (10,6,0)
        Flute (18,5,0)
        Guitar (69,23,1)
        Bass Guitar (18,4,0)
        Piano, Organ (86,34,0)
        Music software and Technology (17,9,0)
    Music (569, 191, 4)
        History of Music (69,17,1)
        Solfege (89,11,0)
        Other Philosophy Subjects (76,17,0)
        Philosophical counseling (21,1,0)
        Philosophy in General (436,66,4)
        History of Philosophy (229,23,0)
    Philosophy (762, 107, 4)
        Image Processing Software (27,7,0)
        Other Photography Subjects (10,4,0)
    Photography (104, 51, 0)
        Photography History (14,9,0)
        Digital Photography (43,30,0)
        Analog Photography (10,1,0)
    Physics (2781, 574, 32)
        Physics in General (1875,450,27)
        Electricity and Electronics (537,64,4)
        Other Physics Subjects (369,60,1)
        Other Politics Subjects (23,11,2)
    Politics (178, 60, 4)
        Political Science in General (126,42,2)
        History of Politics (29,7,0)
    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 Mind-related Subjects (72,15,1)
    Religion (268, 59, 1)
        History of Religions (56,14,0)
        Religion in General (141,34,1)
        Other Religion Subjects (71,11,0)
        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 Fears (57,1,0)
        Other Self-improvement Subjects (24,5,0)
        How to Overcome Shyness (73,4,0)
    Self-improvement (705, 49, 0)
    Sports (159, 69, 0)
        Swimming (27,16,0)
        Golf (3,2,0)
        Martial Arts, Self-Defense (27,7,0)
        Ski, Snowboard (1,1,0)
        Skating (2,3,0)
        Other Sports (99,40,0)
        Other Theatre Subjects (12,5,0)
        Theatre Directing (13,1,0)
    Theatre, Drama (114, 50, 0)
        Theatre History (37,5,0)
        Theatre Acting (52,39,0)
        Event Management (23,6,1)
        Tour and Travel Management (76,29,0)
        Party Organization (13,2,0)
    Tourism and Entertainment (164, 59, 1)
        Hotel Management (36,19,0)
        Restaurant Management (16,3,0)
        Geology, Earth Sciences (94,44,3)
        Quantity surveyor and land surveyor subjects (22,3,0)
        Botany (71,3,0)
        Statistics (212,68,15)
        Other Sciences and Technologies (95,50,1)
        Zootechny, Animal Farming (7,3,0)
        Ecology, Environment Sciences (101,26,2)
        Astronomy (18,8,0)
        Zoology (79,7,0)
    Other Sciences (763, 227, 21)
        Agriculture, Agronomy (35,5,0)
        Architecture (29,10,0)
    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)
        Yoga (25,5,0)
        Meditation (23,5,0)
        Reiki (6,1,0)
        Other Subjects (286,202,6)
        Private investigations (detective) (0,1,0)
        Pets and Animals (20,9,0)
        Magic, Illusionism, Prestidigitation (1,2,0)
        Psychic Reading (3,5,0)
        Numerology (7,2,0)
        Astrology and horoscope (8,3,0)
        Shiatsu Massage
        Life Coaching (84,6,0)
        Dance (29,11,0)
        Disk Jockey (1,0,0)
        Public Speaking (109,13,0)
        Antiques (1,5,0)
        Interior design and decoration (25,7,0)
        Archaeology (14,4,0)
        Fashion and Textiles (23,9,2)
    Other (1234, 347, 11)
        Primary School Subjects (569,57,3)