The NAP publishes reports issued by the National Academy of Sciences, the National Academy of Engineering, the Institute of Medicine, and the National Research Council - more than 200 books a year on a wide range of topics in science.
Database containing mineral crystallography, crystal structures, X-Ray powder diffraction, chemical composition, physical and optical properties, Dana's New classification, Strunz classification, mineral specimen images, and alphabetical listings of mineral species.
A nonprofit institute, GIA's mission is to ensure the public trust in gems and jewelry by upholding the highest standards of integrity, academics, science, and professionalism through education, research, laboratory services, and instrument development.
The Dry Dredgers is an association of amateur geologists dedicated to the knowledge and enjoyment of fossils. Its aim is to stimulate interest in geology, to encourage the collection and identification of fossils, and to participate in field trips and exhibitions. The club is affiliated with the University of Cincinnati Geology Department , and annually awards the Paul Sanders Award to support the study of paleontology.
Website contains educational modules for use by teachers, students and researchers. These collections offer numerous ways in which digital library technologies can be used to translate exciting new scientific discoveries into effective instructional practice.
The Weekly Volcanic Activity Report is a cooperative project between the Smithsonian's Global Volcanism Program and the US Geological Survey's Volcano Hazards Program. Updated by 2300 UTC every Wednesday, notices of volcanic activity posted on these pages are preliminary and subject to change as events are studied in more detail.
The Wilderness Society provides general information about backpacking and hiking in the United States and different trails in other countries. Information on each trail includes a brief sketch of the host country, including basic climatic information, local topography, and the type of terrain that each trail traverses.