PHYSICS - Física The science of matter and energy and of interactions between the two, grouped in traditional fields such as Acoustics, Optics, Mechanics, Thermodynamics, and Electromagnetism, as well as in modern extensions including Atomic and Nuclear Physics, Cryogenics, Solid-state Physics, Particle Physics, and Plasma Physics.
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CHEMISTRY - Química The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems.
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MATHEMATICS - Matemáticas The study of the measurement, properties, and relationships of quantities and sets, using numbers and symbols.
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BIOLOGY - Biología Life and it's functions, including Anatomy & Physiology, Botany, Zoology, Ecology/Bionomics, Evolution and Extinction.
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HEALTH & MEDICINE - Salud y Medicina Soundness, especially of body or mind; freedom from disease or abnormality and the science of diagnosing, treating, or preventing disease and other damage to the body or mind.
ASTRONOMY & COSMOLOGY - Astronomía y Cosmología (3 sub-boards) The scientific study of matter in outer space and the astrophysical study of the history, structure, and constituent dynamics of the universe..
EARTH SCIENCES - Ciencias de la Tierra Geology, Geography, Tectonics, or any of several essentially geologic sciences that are concerned with the origin, structure, and physical phenomena of the earth.