Official site of "Democrites" circle. Devoted on all amazing problems and topics in science and philosophy. Official page of the only TV programme in Bulgaria for science and philosophy - "Boundary Knowledge" on channel 2001. Site of sincere philosophers and scientists, updated twice a week, written in Bulgarian.

   That the official web-page of Society of Paleontology. If your interests are closely related with invertebrate paleontology, this site will help you.It's also good for general information in all branches of paleontology.

   That page will give you answers of all qestions about historical geology and paleoclimatology.It has very good maps for the status and developing of the continents in past, present and even future...

   If you are just a fan of dinosaurs, that's your kind of web page...

   That's the official web-page of the society of vertebrate paleontology.If you are interested in vertebrate paleontology profecional, you can visit it, no doubt.