Verify if worldscinet.com is now accessible. If so, identify the main navigation categories or sections available on the homepage and list them to understand the website's primary offerings.
Navigate to 'http://worldscinet.com/'. If the page loads successfully, identify the main navigation links or sections visible on the homepage. List the names of these main navigation categories or sections.
The agent successfully loads the homepage of worldscinet.com without a server error. The agent identifies and lists at least three distinct main navigation categories or sections (e.g., 'Journals', 'Books', 'Authors', 'Subjects', 'About Us', 'Contact Us', 'Conferences', 'News').