"The system uses technology that literally helps the engine automatically learn the difference between "good" and "bad" results, over time...the search engine crawls both science and medical web pages and news sources, offering an interesting mix of information. Unlike nearly every other search engine, it also allows you to choose the query processing algorithm used to determine results. You can select a "conventional" algorithm (which the site says is like Google's), or three different "vectorspace" models, typically used by more traditional search systems."
If there wasn't the requirement to hit the "proceed" button, it might actually be useful.
The main page allows you to search by channels and the research data is available for viewing.