Yahoo seems to be having a problem with detecting 301 redirects, which implies that once a complete website or page is redirected to another location, yahoo does not change its index and continues to have the old page in the index. This can lead to duplication issues with the new page being banned from the yahoo serps.
Yahoo News Articles
A new Yahoo site for downloadable audio programs puts the company ahead of Google, at least in this arena.
Yahoo Inc. on Tuesday added blogs to the professional media that are listed in results when using the portal’s News Search service.
In addition, News Search includes photos from Flickr, the Sunnyvale, Calif., company’s photo-sharing service; and links found in Yahoo’s My Web, which lets subscribers save links to Web pages and share them with others.