This entire rename confuses me.  I don't understand the "sense" of the chosen words.  

- "Social" and "Answer" don't even share the part of speech! 
- The "Images" and "Videos" tabs link me to those respective things, but the "Software" tab on "flash version" doesn't link me to any software!
- Searched for PLOS papers?  Here, have some "Science".

It feels like sometimes you get a categorization of the query, sometimes of the results and, yet other times, of the _type_ of the results.