1. The systematic observation of natural events and conditions in order to discover facts about them and to formulate laws and principles based on these facts.
2. The state or fact of knowing; knowledge or cognizance of something specified or implied; also, with wider reference, knowledge as a personal attribute.
3. Knowledge acquired by study; acquaintance with or mastery of any area of learning.
4. Etymology: from Latin scientia, from scire, "to know".

A broad, multidisciplinary area in the study of agriculture: The field of agricultural science encompasses the parts of exact, natural, economic, and social sciences which are used in the practice and understanding of agriculture.

Any of the various branches of the life sciences; such as, neurobiology, neurochemistry, or neuroendocrinologiy, that deal with biological aspects of behavior.

The study of the exact nature of various mental tasks and the functions of the brain that enable them to be accomplished by utilizing branches of linguistics, philosophy, psychology; in addition to, computer operations: Since Jack was particularly interested in a career dealing with the engineering of computable processes and structures, he decided to extend his knowledge in cognitive science by taking special courses dealing with research about behavior, perceptions, emotions, etc.

A branch of science that promotes knowledge which is concerned with information processes, the structures and procedures that represent these processes, and their implementation in the various information-processing systems of computers.

A branch of medicine concerned with determining the cause of deaths, the examination of injuries due to crime and negligence, and the examination of tissue samples relevant to criminal activities.

Greek: Muses (goddesses); Calliope (eloquence and epic poetry, Clio (history), Erato (erotic lyric poetry), Euterpe (music and lyric poetry), Melpomene (tragedy), Polyhymnia (sacred poetry), Terpsichore (dance), Thalia (comedy and pastoral poetry), Urania (astronomy)
Latin: Camenae (nymphs); who possess prophetic powers and inhabit springs and fountains; later identified with the Greek Muses.

The knowledges of the oceans or seas: Dr. Timmons had studied marine science and was involved with oceanography and marine biology, and, after much contemplation, decided to set up a research center in marine technology.

The research of the secrets of nature: The occult sciences involve investigations and research into physical, psychic, mental, magic, and astrology; among other aspects of human existence.