Google Search only university domains

Every time Google amazes me with its power , intelligence to do stuff.

I was searching some time back about some topic and I wanted to see only specific university sites. I just wanted to know what is happening in higher education for that field.

Just a quick search

~human science site:.edu

~ tells Google to include Queries similar to human science

Only specific domains .edu , tells to search only university domains.

You can read more details about Google magic here

http://support.google.com/websearch/bin/answer.py?hl=en&answer=136861&topic=1221265&ctx=topic

http://support.google.com/websearch/bin/answer.py?hl=en&answer=35890&topic=1221265&ctx=topic