[General] Scirus: Science-specific Search Engine

"Scirus is the most comprehensive science-specific search engine on the Internet. Driven by the latest search engine technology, Scirus searches over 200 million science-specific Web pages, enabling you to quickly pinpoint scientific, scholarly, technical and medical data on the Web; find the latest reports, peer-reviewed articles, patents, pre prints and journals that other search engines miss and offer unique functionalities designed for scientists and researchers."