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The natural sciences are aimed more towards quantative rather than qualitative data as compared to the social sciences.
Natural Science Data Sources
Centers for Disease Control
Health information including disease and conditions.
Contains information on each chemical element including atomic number, atomic weight, boiling point, crystal structure, date discovered, melting point, molar mass, number of electrons, number of isotopes, number of protons, specific gravity, and symbol.
National Center for Health Statistics
NCHS allows users to find key statistics on a variety of health resources. Includes data download and other tools.
National Institutes of Health
The Nation's Medical Research Agency supporting scientific studies that turn discovery into health
World Health Organization
Primary role is to direct and coordinate international health within the United Nations’ system.