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Cosmology is study of the Universe in its totality, and by extension, humanity's place in it.

Galactic astronomy is the study of our own Milky Way galaxy and all its contents.

Planetary science, also known as planetology and closely related to planetary astronomy, is the science of planets, or planetary systems, and the solar system.

The study of stars and stellar evolution is fundamental to our understanding of the universe. The astrophysics of stars has been determined through observation and theoretical understanding; and from computer simulations of the interior.

Anthropology is the study of humans and humanity in its totality.

Sociobiology is a neo-Darwinian synthesis of scientific disciplines that attempts to explain social behavior in all species by considering the evolutionary advantages the behaviors may have.

Anatomy is a branch of biology that is the consideration of the structure of living things.

Botany, plant science, phytology, or plant biology is a branch of biology and is the scientific study of plant life and development.

Ecology is the scientific study of the distribution and abundance of life and the interactions between organisms and their natural environment.

Genetics is the science of heredity and variation in living organisms.

Marine biology is the scientific study of living organisms in the ocean or other marine or brackish bodies of water.

Neuroscience is a field devoted to the scientific study of the nervous system.

Physiology is the study of the mechanical, physical, and biochemical functions of living organisms.

Zoology is the branch of biology concerned with the study of animals.

Biochemistry is the study of the chemical processes in living organisms. It deals with the structure and function of cellular components such as proteins, carbohydrates, lipids, nucleic acids and other biomolecules.

The field of geochemistry involves study of the chemical composition of the Earth and other planets, chemical processes and reactions that govern the composition of rocks and soils, and the cycles of matter and energy that transport the Earth's chemical components in time and space, and their interaction with the hydrosphere and the atmosphere.

Materials science or materials engineering is an interdisciplinary field involving the properties of matter and its applications to various areas of science and engineering.

Organic chemistry is a discipline within chemistry which involves the scientific study of the structure, properties, composition, reactions, and preparation (by synthesis or by other means) of chemical compounds that contain carbon.

Stereochemistry, a subdiscipline of chemistry, involves the study of the relative spatial arrangement of atoms within molecules. An important branch of stereochemistry is the study of chiral molecules.

Atmospheric sciences is an umbrella term for the study of the atmosphere, its processes, the effects other systems have on the atmosphere, and the effects of the atmosphere on these other systems.

Environmental science is an expression encompassing the wide range of scientific disciplines that need to be brought together to understand and manage the natural environment and the many interactions among physical, chemical, and biological components.

Geology is the science and study of the solid and liquid matter that constitute the Earth.

Hydrology is the study of the movement, distribution, and quality of water throughout the Earth, and thus addresses both the hydrologic cycle and water resources.

Palaeoclimatology (USA:Paleoclimatology) is the study of climate change taken on the scale of the entire history of Earth. It uses records from ice sheets, tree rings, sediment, and rocks to determine the past state of the climate system on Earth.

Agricultural engineering is a discipline that combines engineering science and agricultural knowledge in order to ensure food security.

Chemical engineering is the branch of engineering that deals with the application of physical science with mathematics, to the process of converting raw materials or chemicals into more useful or valuable forms.

Electrical engineering, sometimes referred to as electrical and electronic engineering, is a field of engineering that deals with the study and application of electricity, electronics and electromagnetism.

Mechanical Engineering is an engineering discipline that involves the application of principles of physics for analysis, design, manufacturing, and maintenance of mechanical systems.

Dentistry is the known evaluation, diagnosis, prevention, and treatment of diseases, disorders and conditions of the oral cavity, maxillofacial area and the adjacent and associated structures and their impact on the human body.

Medicine is the art and science of healing. It encompasses a range of health care practices evolved to maintain and restore health by the prevention and treatment of illness.

Pharmacy is the health profession that links the health sciences with the chemical sciences, and it is charged with ensuring the safe and effective use of medication.

Veterinary medicine is that branch of medical science,which deals with the study of diagnosis,treatment and prevention of diseases in companion,domestic, exotic, wildlife and production animals.

Applied mathematics considers the use of abstract mathematical tools in solving concrete problems in the sciences, business, and other areas. An important field in applied mathematics is statistics, which uses probability theory as a tool and allows the description, analysis, and prediction of phenomena where chance plays a role.

Discrete mathematics is the common name for the fields of mathematics most generally useful in theoretical computer science. This includes computability theory, computational complexity theory, and information theory.

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The study of space originates with geometry – in particular, Euclidean geometry. Trigonometry combines space and numbers, and encompasses the well-known Pythagorean theorem. The modern study of space generalizes these ideas to include higher-dimensional geometry, non-Euclidean geometries (which play a central role in general relativity) and topology.

Particle physics is a branch of physics that studies the elementary constituents of matter and radiation, and the interactions between them.

Quantum mechanics is a set of principles underlying the most fundamental known description of all physical systems at the microscopic scale (at the atomic level).

In physics, thermodynamics is the study of the conversion of heat energy into different forms of energy (in particular, mechanical, chemical, and electrical energy); different energy conversions into heat energy; and its relation to macroscopic variables such as temperature, pressure, and volume.

Computer science is the study of the theoretical foundations of information and computation, and of practical techniques for their implementation and application in computer systems.