NetVibes provides a super-efficient way of bringing content from a range of different locations out on the web into a single place for you (your students?) to draw from. Much easier to quickly scan a series of information feeds, than try to visit the same number of sites separately.
Here’s an example showing a Public dasboard I set up, though unfortunately NetVibes don’t provide an embed code.
And here’s a tutorial showing how one person set up their dashboards: