▪️The science of sound – Acoustics
▪️The science of aviation – Aeronautics
▪️The study of man, especially, of the evolution and customs of mankind – Anthropology
▪️The study of human antiquities – Archaeology
▪️The science of heavenly bodies – Astronomy
▪️The science of travel in space – Astronautics
▪️The science of life and living things – Biology
▪️The science of plants – Botany
▪️The art of making pottery – Ceramics
▪️The science of colors –Chromatology
▪️The study of statistics of births, deaths , diseases, etc., of a community – Demography
▪️The art of effective speaking esp. in public – Elocution
▪️The study of insects – Entomology
▪️The science that deals with the variances of the human race – Ethnology
▪️The science of the origin and history of words – Etymology
▪️The study of coins or coinage – Numismatic
▪️The study of birds – Ornithology
▪️The study of mountains – Orology
▪️The study of ancient modes of writing – Paleography
▪️The art of elegant speech of writing – Rhetoric
▪️The science of poisons – Toxicology
▪️Using hypnosis – Hypnotherapy
▪️Using natural things – Naturopathy
▪️Using exercise, massage – Physiotherapy