网站简介：Explains the basics of Bitcoins, including an introductory video.
网站简介：Department of Mathematics
网站简介：Features instructional games and puzzles based on a variety of math topics. Includes more serious articles about the language of math and related links. Includes more than 850 interactive Java illustrations, games and puzzles with mathematical content.
网站简介：Worldwide snow forecasts. Regional and local snow forecast maps including the U.S., Europe, New Zealand and Australia.
网站简介：Focuses on Dreambox, a GNU/Linux-powered DVB satellite, terrestrial and cable digital television decoder. Also has forums for games consoles, mobile phones, and PC help.
网站简介：N2YO provides web-based realtime satellite mapping tool tracking many satellites.
网站简介：Manufacturers of high-performance memory.
网站简介：Statistics and maps about the major population clusters of the world. Also information about the capitals and principal cities of many countries. In English and German.
网站简介：The Bioconductor project produces an open source software framework that will assist biologists and statisticians working in bioinformatics, with primary emphasis on inference using DNA microarrays, built mostly using R.
网站简介：American Society for Microbiology journal specialising in environmental/food microbiology and general applied microbiology.
网站简介：Japanese network of database and computational services for genomic and related research in molecular and cellular biology. Includes a range of databases and an encyclopedia of genes and genomes.
网站简介：Creates and operates facilities for use by university, industrial, and government personnel in basic and applied research in the physical, biomedical, and environmental sciences, and in selected energy technologies. Located in Long Island, New York.
网站简介：The ACL is the international scientific and professional society for people working on problems involving natural language and computation.
网站简介：Magazine dedicated to providing a neutral and balanced presentation of the Bitcoin world and beyond it, both on-line and in print.
网站简介：FreeVideoLectures.com has 750+ Free online courses from the 30+ Leading Universities. Most of the video lectures are downloadable in various formats. Torrents are available for downloading lecture video.
网站简介：Thermochemical data for over 6000 organic and small inorganic compounds. Reaction thermochemistry data for over 9000 reactions. IR spectra for over 8700 compounds. Mass spectra for over 12,000 compounds. UV/Vis spectra for over 400 compounds. Electronic and vibrational spectra for over 4000 compounds. Constants of diatomic molecules (spectroscopic data) for over 600 compounds. Ion energetics data for over 16,000 compounds. Thermophysical property data for 33 fluids.
网站简介：News center, gallery, discoveries, sci-tech, fun and games, and reference desk.
网站简介：Develops interactive mathematical solutions for educators and technical professionals.
网站简介：Portal to a very large number of internet resources devoted to the native languages of North, central and South America.
网站简介：Specializes in DNA synthesis, gene construction, antisense oligos, molecular beacons and a variety of molecular biology products.
网站简介：Take the personality questionnaire and discover your four-letter type. Learn how type affects your career, relationships, and personal growth.
网站简介：Departments, admissions, student services, administrative services, organizations and committees, programs. Located in Santa Rosa, CA.
网站简介：NASA Television (NTV) is a resource designed to provide real-time coverage of Agency activities and missions as well as providing resource video to the news media, and educational programming to teachers, students and the general public.
网站简介：Publishes fire and building safety standards including the National Electrical Code.
网站简介：Created by the U.S. Environmental Protection Agency and the U.S. Department of Energy to help consumers save money and prevent air pollution. Includes list of qualifying products, contractor selection tips, and contacts for low interest loans for upgrading to high efficiency equipment.