Lack of female researchers and participants in regenerative-medicine research holds everyone back
The field will not reach its potential using data sets in which women and non-binary people are not fully represented.
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2026 Research Leaders
Leading institutions Leading academic institutions Leading countries/territories
Discover the top-performing institutions and countries/territories in scientific research with the Nature Index Research Leaders.
Nature Index author gender ratio
Female authorship at leading institutions Author gender ratio by subject area and research topic
This dataset highlights the progress made towards achieving gender parity in authorship of papers tracked by the Nature Index.
Nature Index 2026 Regenerative medicine
Regenerative medicine has the potential to transform the treatment of chronic and life-threatening diseases. But major challenges remain, such as overcoming immune rejection and ensuring that new therapies are developed using more inclusive data sets. In this supplement, we explore the discoveries that are driving the field, the barriers that could limit its progress, and the teams and institutions that are making their mark.
Nature Index 2026 Nanoscience and nanotechnology
From programmable RNA architectures to next-generation materials for energy and healthcare, researchers are harnessing the unusual properties of the nanoscale to tackle some of society's biggest challenges. This supplement explores the discoveries that are driving the field, the hurdles that remain and the institutions that are leading in nanoscience and nanotechnology research.
Most viewed institution profiles
The following institution profiles have been the most viewed on the Nature Index in the past 28 days.
- Chinese Academy of Sciences (CAS)
- Max Planck Society
- Zhejiang University (ZJU)
- Harvard University
- French National Centre for Scientific Research (CNRS)
- Indian Institute of Science (IISc)
- Helmholtz Association of German Research Centres
- Tsinghua University
- Al-Bayda University
- University of Science and Technology of China (USTC)
Most viewed news articles
The following Nature Index news articles have been the most viewed in the past 28 days.
- This animated map shows the true size of each country
- Hundreds of ‘free’ academic journals have started charging fees | Nature
- Nations expanding their research programmes impose sweeping penalties for malpractice | Nature
- ‘Remarkably encouraging’: stem-cell treatments for autoimmune diseases enter new phase | Nature
- Major changes to the Nature Index for 2026
- Women make up less than one-fifth of last authorships in influential journals
- Three rising stars of nanoscience and nanotechnology | Nature
- The dark horse of biology: how RNA is becoming a nanotool maker’s dream | Nature
- Lack of female researchers and participants in regenerative-medicine research holds everyone back | Nature
- Why tomorrow’s nanotechnologies need support today | Nature
The Nature Research Intelligence Topics are created from networks of articles that cite each other, or articles that are very similar to each other, and we have over 30,000 topics at the most granular level, grouped into a 4-level hierarchy.
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View trending research topics in the current window of the Nature Index.
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Each level 2 topic page included in the Nature Index contains an auto-generated summary, leading institutions, leading countries/territories, a 5-year trend and top collaborators.
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Institution profiles display leading research topics based on the institution's Share in the topic.
Institution collaboration
Nature Index collaborations highlight the most fruitful institutional collaborations that lead to high quality research around the world. Naturally, proximate institutions collaborate the most, which hides the many benefits from collaboration further afield. To address this, the overall leading international collaborators are shown as well as the leading collaborations involving countries/territories outside the top 50 (broadening collaborators).
Country/territory collaboration
Country/territory collaboration looks at the leading collaborators around the world, as well as within and between between regions and equatorial hemispheres. To show trends in collaboration between any two countries/territories over the past 10 years we've introduced historical country/territory collaboration.
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Use the powerful comparison feature to view side-by-side data on research output across subject areas.
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Self-paced, online courses in convenient bite-sized units, covering key skills across scientific writing, publishing, grant writing, data analysis, and more.
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