As I was watching "Convergence" in Net 25, a local channel here in the Philippines they features some of the best sites to browse.
Here are some of it...
http://www.zamsar.com/-Zamsar.com is your gateway to sites on the Internet.
http://www.lovefoodhatewaste.com/- which features recipes for leftover foods to lessen the waste.
http://www.rulesofthumb.org/- advices, rules of life, additional knowledge.
Enjoy browsing!!!