There are no access or Article Processing Charges (APC). 
News: Authors please read our calendar for receiving submissions.

EISSN: 2215-3470

Uniciencia is an indexed scientific journal from the School of Natural and Applied Sciences at Universidad Nacional in Costa Rica (Editorial EUNA). The Journal’s main objective is to share research findings and provide high quality research papers to the national and international community, encouraging the scientific and cultural development of our society. Publication from 2022 onwards is in continuous mode and starting in 2023, the use of preprint is mandatory.

The target audience involves researchers, academics and specialists from the public and private sectors in the areas of the journal. Areas of interest (thematic coverage) include the exact and natural sciences: Biology, Physics, Computer Science, Mathematics, Chemistry, Topography and Geodesy.  The themes that cut across all areas are :

Theme 1: Management and sustainability of territory and natural resources.
Theme 2: Scientific and technological development and applications
Theme 3: Society and human and integral development. 
Theme 4: Risk management and vulnerability reduction.
Theme 5: Science, mathematics and technology education

Papers are original and scientific in nature. The Journal welcomes a variety of research studies: experimental, descriptive, analytical or inferential, correlational, observational, action-research, or case studies, analyzed by quantitative or qualitative techniques or a combination of both (The IMRAD structure or the structure suggested in the journal template should be used). Papers from systematic literature reviews will also be evaluated(1) (2)No essays, non-systematic literature reviews, discussions, dissertations, educational proposals or technical notes are published.

Original proposals will be evaluated by academic peers who will be external specialists in the given area, using a Single-blind peer review. The arbitration and evaluation procedures are described in the document entitled Brief description of the process of receiving, evaluating and publishing articles, available in the top downloads section, on the right bar of this website.

Support on the sending of articles:

  1. Read the calendar of reception of submissions and estimated times for publication.
  2. Read the Rules and guide for authors carefully.
  3. The preprint is mandatory (The use of the Uniciencia template is suggested).
  4. In any case, instructions on paper length and APA formatting are mandatory.
  5. Read and sign the Letter of Submission of articles, with all the information requested.
  6. Read the policy for articles written in English (Policy on receiving papers in English).
  7. Read the code of ethics.
  8. Read the about the Use of Artificial Intelligence.

You can read our quick submission guide to speed up your submission.

Current Issue

Vol. 40 No. 1 (2026): Uniciencia. January-December, 2026
Published: 2026-01-01

Original scientific papers (evaluated by academic peers)

  • First report on the presence of microplastics in bovine and porcine livers from Costa Rica

    Natalia Soto-Barrientos, Karol Ulate-Naranjo, Catalina Víquez-Murillo, Andrea García-Rojas (Author)
    1-15
    DOI: https://doi.org/10.15359/ru.40-1.1
  • Economic Feasibility of Wind Microturbines in Costa Rica: Multivariable Assessment of Technical, Economic and Regulatory Factors

    Rosa María Matarrita Chaves, Gustavo Richmond Navarro, Víctor Céspedes Cordero, Maximino Jiménez Ceciliano (Author)
    1-18
    DOI: https://doi.org/10.15359/ru.40-1.3
  • Prospective teachers' competence in solving, posing, and algebraic reasoning of statistical table problems

    Jocelyn D. Pallauta, Carmen Batanero, Mauro Rivas , Osmar Vera (Author)
    1-23
    DOI: https://doi.org/10.15359/ru.40-1.2
  • Introduction to Algebraic Thinking in 3 Years: Identification of Qualitative and Quantitative Change

    Sandra Fuentes, María C. Cañadas, M° Lourdes Anglada (Author)
    1-13
    DOI: https://doi.org/10.15359/ru.40-1.4
View All Issues