Vadlo

Vadlo is a search engine brought to you by two biology scientists who wish to make it easier to locate biology research related information on the web.
The search engine is still in beta, allows users to search within five categories: Protocols, Online Tools, Seminars, Databases and Software. I really like the Powerpoint seminars search and the daily research cartoons section.
http://www.vadlo.com/
Thanks,
Jayati