Intute's "Earth Sciences" is a comprehensive gateway site for all topics related to the subject. The resources presented on this site are carefully chosen by subject experts and scholars at the University of Manchester and Heriot-Watt University in the United Kingdom. Information is timely, as the database is updated daily. Subjects are organized into 20 headings, with numerous subcategories for each. Users can search a variety of ways, such as through keyword or Boolean logic, and can also narrow a query by using the Advanced Search form, which is fairly exhaustive. The site also offers helpful features such as the "Subject Pack", which provide abstracts and links to Web sites with useful, detailed, high quality information about the subject. Users can also access a comprehensive list of hot topics, natural disasters, timelines, and a special section of "Spotlight" topics within the earth sciences chosen by an expert.