Scientific journals today: many changes and uncertainties.

The system of scientific communication is changing greatlybecaus e of the growth of digital information and networking. The digital world has  changed publishing rules. The dilemma is not ,only whether to produce paper or digital journals. This article stems from the perspective of a librarian and attempts to answer questions posed by researchers. These questions include whether journals are now meaningless, if it is worth publishing a journal if it is not indexed, if it is better to publish a journal on paper or digitally, and the use of metadata and evaluation.

Keywords: journals, Open Access, scientific communication, digital journals, internet.