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International Association for the Properties of Water and Steam (IAPWS)
international organization concerned with the thermophysical properties of water and steam, particularly those properties of high-temperature steam, water, and aqueous systems that are relevant to thermal power cycles and other industrial applications.
http://www.iapws.org/
The Hypatia Institute
promoting gender equity in physics; featuring news, links.
http://www.hypatiamaze.org/