Need a blogging website with many functionalities URGENTLY*********** before bid remember that its very urgent project........

The website is being build for connecting people having interest on a particular segment that is LIFE SCIENCE. People needs to become a member of this website which can be classified as (1) Experienced people having a lot of knowledge with life science and the related researches, who would be offering help and support to the people who are looking for some guidance. (2) people looking for help. There should be a separate individual page where one member can see all the other member's profile and if needed can get in touch with them. This website will basically be a platform where people related to different kind of researches on life science would meet and be of help to one another. It would be having 6 pages. Want the background theme to be something close light grayish blue and the contents Navy blue colored.