In foreign contries, a big part of educational and even scientific activities exists within the frames of cooperative associations, PTA organisations, and so on. Moreover, the most interesting scientific and research projects exists and registers there sometimes. But with the registrations on this site arise problems with direction on them...
Now, two kind of groups can be created: discussion groups and research groups. Research groups can contain files like papers or pictures to discuss. You comments are welcom, your opinion is very important for us.