Which areas was Stella trained in?
Stella studied during four month more than thirty-two thousand articles. This articles were classified in sixty one categories. Here are the groups: System 60 Trivia 202 Politics 296 Nationality 164 Football 71 Nutrition 402 University 964 Engineering 29 Energy 2036 Electron.Eng 336 Data Analist 76 Media 1002 Philosophy 17 Religion 208 Law 105 Sexuality 528 Physics 1384 Prizes 470 Literature 71 Chemistry 50 Mathematics 501 Artif.Intelligence 399 Science 1898 Technology 5 Biology 669 Genetics 347 Medicine 893 Agriculture 10 Eng.Courses 38 Management 1876 Anthropology 33 Sociology 417 Psychology 385 Geography 559 Astronomy 28 History