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)
        Other Body Subjects (43,11,1)
    Body and Health (1008, 297, 22)
        Body in General (135,52,1)
        Anatomy and Physiology (314,86,13)
        Alternative Medicine (42,10,2)
        Sexuality (41,26,0)
        Cosmetics (20,3,0)
        Personal Training (49,8,0)
        First Aid Training (54,8,0)
        Dietetics (44,7,0)
        Pharmacology (125,24,2)
        Medicine and Health (141,62,3)
    Chemistry (1909, 628, 32)
        Chemistry in General (1524,544,30)
        Other Chemistry Subjects (385,84,2)
        Cinema History (42,7,0)
        Cinema Acting (11,7,0)
        Cinema Directing (9,7,0)
        Other Cinema Subjects (9,3,0)
    Cinema (120, 39, 0)
        Cinema in General (49,15,0)
        Computer Literacy (238,48,1)
        Programming Languages (2351, 979, 129)
        Other Computer Subjects (151,53,2)
        Ethical hacking (16,19,2)
        Search Engine Optimization - SEO (26,9,0)
        IT Quality Assurance (32,7,0)
        IT Project Management (80,44,6)
            Other computer applications (24,5,0)
            Desktop Publishing Software (6,1,0)
            Maxon Cinema 4D (0,1,0)
            Apple Final Cut (1,1,0)
            Adobe Photoshop (38,11,0)
            AutoCAD (48,20,4)
            Microsoft Access (42,13,2)
            Microsoft PowerPoint (145,5,0)
            Microsoft Excel (207,20,1)
            Microsoft Word (224,16,0)
        Computer Applications (735, 93, 7)
            Linux (74,36,6)
            Mac OS (17,3,0)
            Windows (152,20,0)
            Unix (39,13,1)
        Operating Systems (282, 72, 7)
        Data Security (37,17,2)
        Data Communications (71,22,2)
            SQL Language (126,17,0)
            Databases - DB2 (11,2,0)
            Database Theory (145,16,2)
            Databases - MySQL (101,20,1)
            Databases - Teradata (5,1,1)
            Databases - Oracle (101,29,5)
            SQL Server (146,36,4)
        Databases (635, 121, 13)
            Other CMS (15,3,0)
        Content Management Systems - CMS (71, 32, 4)
            Joomla (13,10,2)
            Software development for other mobile systems (4,2,0)
            Wordpress (43,19,2)
            iOS software development (10,2,0)
            Android software development (42,12,3)
            Amazon Alexa Skills
        Software development for mobile devices (56, 16, 3)
            Apache MySQL PHP (59,11,2)
            Java Development Platform (98,21,2)
            Microsoft .NET (107,28,0)
            Software Development Platforms in General (36,29,2)
        Software Development Platforms (300, 89, 6)
            Unix Shells (47,13,1)
            Transact-SQL (27,9,2)
            Python (111,75,12)
            Perl (8,1,0)
            Swift (3,3,0)
            Ruby (1,0,0)
            Objective-C (8,2,0)
            Visual Basic (73,14,1)
            Java (457,281,40)
            HTML/CSS (329,90,9)
            Javascript (205,80,7)
            PHP (164,77,14)
            Node.js (2,1,0)
            C# (174,145,25)
            C++ (388,96,10)
            C (113,15,3)
            Programming Languages in General (241,77,5)
    Computers, ICT (6100, 2065, 201)
        Computers in General (1019,444,17)
    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)
        Other Food and Drink Subjects (36,14,0)
        Beer making (2,0,0)
        Construction (5,2,0)
        Butchery
        Plumbing (2,8,0)
        Blacksmith Works (1,0,0)
        Mechanic Works (2,2,1)
        Other Crafts (26,2,0)
        Carpentry (3,2,0)
        Electric Works (3,1,0)
        Pottery (3,3,0)
        Jewelery (10,3,0)

    Crafts (107, 32, 2)
        Do-it-yourself (52,9,1)
        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)
        Tax (72,12,0)
        Finance and Banking (224,87,2)
        Investments (67,12,1)
            SAP (26,6,0)
            Quickbooks (7,6,0)
            Other accounting and ERP software (14,2,0)
        Micro-economics (288,52,2)
        Accounting and Bookkeeping (488,91,7)
        Accounting and ERP software (47, 14, 0)
    Economics, Business (2975, 835, 29)
        Economics in General (619,241,8)
        Macro-economics (261,49,2)
    Engineering (706, 434, 22)
        Automobile Engineering (76,37,0)
        Motorcycle Engineering (17,5,0)
        Aviation Engineering (45,24,2)
        Other Engineering (568,368,20)
        Historiography (11,0,0)
        Other History Subjects (44,35,1)
        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)
        History - Early modern (1492-1789) (54,13,0)
        History - Middle Ages (500-1492) (60,18,1)
    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)
            Other Games (10,3,1)
        Other Hobbies (50,23,0)
            Computer Games (25,17,0)
            Society Games (2,0,0)
        Games (83, 26, 1)
            Chesss (35,3,0)
            Card Games (11,3,0)
        Gardening (19,6,0)
        Graphology, Handwriting Analysis (10,3,0)
    Hobbies (162, 58, 1)
        Other Internet subjects (21,7,1)
        Internet Marketing (66,16,2)
        Internet Regulations (5,1,0)
        Internet Sociology (10,2,0)
        Internet Technology (106,41,2)
        Internet Services (32,7,1)
    Internet (613, 124, 6)
        Internet in General (373,50,0)
        Other Languages (322,34,2)
        Swedish (15,3,0)
        Spanish (1189,212,13)
        Swahili (148,28,4)
        Russian (283,34,1)
        Sanskrit (14,6,1)
        Polish (26,0,0)
        Portuguese (123,21,1)
        Japanese (63,26,0)
        Latin (363,27,0)
        Norwegian (4,0,0)
        Indonesian (13,6,0)
        Hindi-Urdu (181,8,0)
        Italian (1292,82,10)
        Hebrew (18,9,0)
        Greek (ancient) (192,11,1)
        Greek (modern) (64,4,1)
        German (501,174,18)
        French (1099,239,11)
        Finnish (5,0,0)
    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)
    Law (688, 139, 3)
        Other Law Subjects (77,17,1)
        Intellectual Property Law (Copyright) (17,1,0)
        International Law (55,11,1)
        Civil Law (76,10,0)
        Criminal Law (52,24,0)
        Public Law (96,13,0)
        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)
        English Literature (682,214,10)
        German Literature (63,10,0)
        History of Literature (145,8,0)
        Classical Studies (76,13,1)
        Literature in General (698,164,9)
    Literature, Writing (3224, 611, 35)
        Mathematics in General (4186,1173,67)
        Other mathematical subjects (861,242,27)
        Matlab (193,41,5)
        Differential equations (855,81,8)
        Calculus (1274,215,16)
        Trigonometry (1529,179,6)
        Algebra (2116,813,73)

    Mathematics (11014, 2744, 202)
        Video Editing (35,14,0)
        Newspaper and Magazine Publishing (19,6,0)
        TV and Radio Production (19,10,0)
        Sound Engineering (8,4,0)
        Media and Publishing in General (35,37,1)
    Media, TV, Radio, Publishing (116, 71, 1)
        Other musical instruments (33,21,0)
        Other Music Subjects (59,15,0)
        Singing (88,32,2)
        Violin (12,14,0)
        Harmonica (1,0,0)
        Drums, Percussions (10,6,0)
        Flute (18,5,0)
        Bass Guitar (18,4,0)
        Guitar (69,23,1)
        Piano, Organ (86,34,0)
        Solfege (89,11,0)
        Music software and Technology (17,9,0)
    Music (569, 191, 4)
        History of Music (69,17,1)
        Other Philosophy Subjects (76,17,0)
        Philosophical counseling (21,1,0)
        Philosophy in General (436,66,4)
    Philosophy (762, 107, 4)
        History of Philosophy (229,23,0)
        Other Photography Subjects (10,4,0)
        Image Processing Software (27,7,0)
        Analog Photography (10,1,0)
        Digital Photography (43,30,0)
    Photography (104, 51, 0)
        Photography History (14,9,0)
        Other Physics Subjects (368,60,1)
        Electricity and Electronics (537,64,4)
        Physics in General (1871,450,27)
    Physics (2776, 574, 32)
        Other Politics Subjects (23,11,2)
        History of Politics (29,7,0)
    Politics (177, 60, 4)
        Political Science in General (125,42,2)
        Other Mind-related Subjects (72,15,1)
        Love and Relationship (70,11,0)
        Psychotherapy (40,12,0)
        Motivation (80,10,0)
        Emotion (68,9,0)
        Psychology in General (350,123,4)
    Psychology (680, 180, 5)
        Other Religion Subjects (71,11,0)
        Religion in General (141,34,1)
    Religion (268, 59, 1)
        History of Religions (56,14,0)
        How to Overcome Fears (57,1,0)
        Other Self-improvement Subjects (24,5,0)
        How to Overcome Shyness (73,4,0)
        How to Increase Motivation (97,3,0)
        How to Increase Self-Esteem (105,3,0)
        Personal Development (112,11,0)
        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)
        Golf (3,2,0)
        Martial Arts, Self-Defense (27,7,0)
    Sports (159, 69, 0)
        Swimming (27,16,0)
        Theatre Directing (13,1,0)
        Other Theatre Subjects (12,5,0)
        Theatre Acting (52,39,0)
        Theatre History (37,5,0)
    Theatre, Drama (114, 50, 0)
        Party Organization (13,2,0)
        Tour and Travel Management (76,29,0)
        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)
        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)
        Zoology (79,7,0)
        Astronomy (17,8,0)
        Ecology, Environment Sciences (101,26,2)
        Architecture (29,10,0)
        Agriculture, Agronomy (35,5,0)
    Other Sciences (762, 227, 21)
        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)
        Social Sciences in General (155,33,2)
    Other Social Sciences (742, 180, 5)
        Antiques (1,5,0)
        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
        Reiki (6,1,0)
        Meditation (23,5,0)
        Yoga (25,5,0)
        Disk Jockey (1,0,0)
        Dance (29,11,0)
        Life Coaching (84,6,0)
        Public Speaking (109,13,0)
        Fashion and Textiles (23,9,2)
        Archaeology (14,4,0)
        Interior design and decoration (25,7,0)
        Primary School Subjects (569,57,3)
    Other (1234, 347, 11)