Make your own feed!
1) Click on SITE MAP, DATA or WEB MAPS tab, above
2) select a category of interest for one layer, such as 'video'

3) when the page loads showing the list, click on the RSS Feed icon to the right side of the URL bar, like:
4) select "subscribe to RSS Feed 'video'..."
5) copy the URL for your custom RSS feed
Other examples:
To view all Data layers use this feed: http://cegrp.cga.harvard.edu/japan/?q=rss_data
URL for this feed: http://cegrp.cga.harvard.edu/japan/?q=rss_webmaps
