网站简介:To help engineer and technical communicators develop skills in written and oral presentation.
网站简介:Primary professional organization for chemists and related occupations.
网站简介:This site explains the latest research on the planet, from human biology to the animal world and the forces of nature.
网站简介:An accredited university offering bachelor's, master's, and doctoral degrees in over 150 fields of study in Boulder, Colorado.
网站简介:Blockchain.info is a utility site for the e-currency Bitcoin. The site allows you to browse the bitcoin blockchain, view currency statistics and offers a free web based online wallet.
网站简介:A US exchange trading in numerous virtual currencies, including Bitcoin, Ethereum, Litecoin and Dogecoin.
网站简介:Weather, climate and hydrology services; also details educational projects, publications, and contacts.
网站简介:Informative articles on automotive technology, car parts, do it yourself repair, and used cars.
网站简介:International weekly science journal, published by the American Association for the Advancement of Science (AAAS).
网站简介:Site has many information resources and links on agricultural topics, as well as hunger, sustainable development, and related matters.
网站简介:U.S. operations for the makers of Mathematica, a fully integrated technical computing software package, Wolfram|Alpha, and other programs. Includes online ordering and company information.
网站简介:Monthly magazine of science. Website includes articles from past issues.
网站简介:Scientific agency for natural sciences, including earth science and biology. Extensive information on U.S. water, biological, energy, and mineral resources, USGS programs, and natural disasters and hazards.
网站简介:Enhancing the quality of life for the American people by supporting production of agriculture.
网站简介:Detailed weather and forecast information around the globe. Features include surface maps, charts, satellite imagery, and recreational outlooks.
网站简介:The main Bitcoin discussion forum, includes subforums for technical support, mining, development and economics.
网站简介:ScienceDaily features breaking news and videos about the latest discoveries in science, health, the environment, technology, and more -- from major news services and leading universities, scientific journals, and research organizations.
网站简介:Science news & entertainment for a new generation of knowledge lovers.
网站简介:The RSC is the largest organisation in Europe for advancing the chemical sciences. Supported by a worldwide network of members and an international publishing business, its activities span education, conferences, science policy and the promotion of chemistry to the public.
网站简介:A directory of local buyers and sellers of Bitcoins. Lists the traders closest to your current location.
网站简介:Features space and science news stories, interactive games, questions and answers, contests, kids' submissions, and weekly polls.
网站简介:Manufacturer of laboratory reagents in all fields of life sciences, including biochemistry, molecular biology, cell culture and cell biology.
网站简介:Ranking of cryptocurrency and assets by market cap. Details and chart for each currency.
网站简介:Official site, with extensive information on America's National Parks and their management.
网站简介:Bitcoin micro-payment processor which provides webmasters and developers free crypto-currency faucet scripts, and allows faucet users to collect bitcoins and get paid in bulk without any fees.