Magirics – art of cookery Magnanerie – art of raising silkworms Magnetics – study of magnetism Malacology – study of molluscs Malariology – study of malaria Mammalogy – study of mammals Manège – art of horsemanship Mariology – study of the Virgin Mary Marine Biology– Study of the Oceans Ecosystem Mastology – study of mammals Mathematics – study of magnitude, number, and forms Mazology – mammalogy; study of mammals Mechanics – study of action of force on bodies Meconology – study of or treatise concerning opium Melittology – study of bees Mereology – study of part-whole relationships Mesology – ecology Metallogeny – study of the origin and distribution of metal deposits Metallography – study of the structure and constitution of metals Metallurgy – study of alloying and treating metals Metaphysics – study of principles of nature and thought Metapolitics – study of politics in theory or abstract Metapsychology – study of nature of the mind Meteoritics – study of meteors Meteorology – study of weather Metrics – study of versification Metrology – science of weights and measures Microanatomy – study of microscopic tissues Microbiology – study of microscopic organisms Microclimatology – study of local climates Micrology – study or discussion of trivialities Micropalaeontology – study of microscopic fossils Microphytology – study of very small plant life Microscopy – study of minute objects Mineralogy – study of minerals Molinology – study of mills and milling Momilogy – study of mummies Morphology (disambiguation) – study of forms and the development of structures Muscology – study of mosses Museology – study of museums Musicology – study of music Mycology – study of funguses Myology – study of muscles Myrmecology – study of ants Mythology – study of myths; fables; tales