"Science.gov searches over 60 databases and over 2200 selected websites from 15 federal agencies, offering 200 million pages of authoritative U.S. government science information including research and development results."
"A portal about engineering and engineering careers...to help young people understand better what engineering means, and how an engineering career can be made part of their future."
Google Tips
Try the Advanced search features of Google. For example:
Limit to .GOV or .EDU domains (websites)
Limit to geographic region if there are too many results
