Redit (hint: strong customize the 'My Redit' lists you subscribe to narrow things down to your particular interests) and Hacker News are also pretty good if you stick to the first few pages of up-voted links.
re: search engines: one of my primary uses for web search is pasting in error messages from server build errors, runtime errors, etc. Also, for quickly looking up an API I can't quite remember. A very different process than using search to find fun stuff to read.