So suppose I have a page about Miley Cyrus on my site and I'd like to be able to display all the latest news about her through some syndicated rss feeds. Is there some script/service that lets you put some code on your site, enter a keyword and automatically pull rss feeds items from various sources based on that keyword?
You can use http://feed.informer.com/ and simply enter the rss from Google News: https://news.google.com/news/feeds?hl=en&gl=us&q=miley+cyrus&um=1&ie=UTF-8&output=rss