Leiden University co-hosts Council of Europe expert exchange on accountability for crimes against children in Ukraine

Steel production is likely to take up a large portion of our future carbon budget. Capturing CO₂ from coal-based production won’t solve the problem. Technologies that rely on renewables are more effective, but not enough to get to net zero.

Opponents of drastic nitrogen measures argue that the nitrogen calculation model is not reliable enough. Nitrogen professor Jan Willem Erisman: 'It is now much more important to discuss the choices we make on the basis of the outcome. The differences are much bigger than the uncertainties in the mod…

How do people vote? How rational are voting choices? How much do external factor weigh in? In this article social scientis provide some background.

Wouter Veenendaal, a political scientist at Leiden University, is an analyst for the Freedom House report. Freedom House is an American non-profit organisation dedicated to democracy, political freedom and human rights. In short, the report describes the degree of freedom and the state of democracy…

Suddenly getting lost, failing to recognise family members, or forgetting words and names are well-known symptoms of Alzheimer's disease. Psychologists have now discovered that the disease also manifests in more subtle ways: through the rhythm of finger tapping.

During our special Fall symposium on November 28, we celebrated the 40th anniversary of Bio-Pharmaceutical Sciences. Organized in collaboration with our study association L.P.S.V. „Aesculapius”, the event brought together staff, students, and alumni for an afternoon focused on four decades of ‘Innovation…

Research

‘Raising awareness of the disorder is crucial since borderline personality disorder (BPD) still faces considerable stigma ’, says Anne Krause-Utz (Clinical Psychology) . Together with an international team of excellent scientists, Krause-Utz provides an update of current knowledge about this disorder,…

Cleody van der Eijk recently started as the new study advisor and exchange coordinator at Archaeology. Aside from helping students out when they encounter issues during their studies, she will also focus on the process of studying abroad. ‘It is very valuable to get to know another culture, while you…

"Climate citizenship” explores how adapting environments to climate change can change the way people interact with each other and with government. It focuses on nature-based or 'green' climate infrastructure projects that make use of natural entities or dynamics. With an ERC grant, anthropologist Andrew…

The cost-sharing standard (kostendelersnorm) – a regulation affecting recipients of supplementary income for older people, often with a migrant background – may lead to financial and health problems for thousands of people, economists Ernst-Jan de Bruijn and Heike Vethaak have found.

Since 1 January 2020 - with the transition to the Dutch Civil Code - the system of writing off leave has changed. When you take leave, the system automatically writes off the hours that fall due first.

The University pays out salaries on pre-determined dates. Additionally, the holiday allowance is paid out in May and the end-of-year bonus is paid out in November.

Research, Transferable skills

Within our university, we believe it is important to remain in dialogue with each other, to hear what is going on, and to take steps together. This allows us to build an environment in which we can work and grow together.

As a PhD candidate, you were primarily hired to do research, although you will probably also have to do some teaching. The partial University Teaching Qualification (Basis Kwalificatie Onderwijs, BKO) certificate provides recognition that a PhD candidate has gained knowledge and experience as a teacher.…

We provide answers here to some frequently asked questions about collaborations with the fossil fuel industry.

Thesis assessment is carried out according to faculty standards with associated assessment forms and manuals.

Strong leadership is essential for building an open and learning organisation.

Are you an international researcher working for Leiden University? Please note that you probably are legally obliged to take out health insurance. Here you will find if you need a public or a private health insurance, and how to apply for it.

From 16 to 23 October 2025, the Faculty of Governance and Global Affairs (FGGA) will host the second edition of Cyber Week. Following last year’s success, we will once again shine a daily spotlight on our teaching and research in the field of cybersecurity through LinkedIn and Instagram. Today’s societal…

As an internship lecturer, you help a student to apply their knowledge and skills in a professional context and to gain work experience. On this page you will find the most important information to fulfil this role properly and according to the Faculty’s agreements.

The PhD track involves many different aspects. As well as important administrative steps that you have to take, for example, there are also introductory activities, a training programme and opportunities for research abroad.

Active learning is one of the ambitions mentioned in the University’s educational vision (Learning@LeidenUniversity).

To find out more about student well-being, check out the information below.

When moving to the Netherlands, it is important to know whether you are considered resident tax payer or non-resident. Both residents and non-residents are taxed on their taxable income. A number of criteria help determine your status as resident or non-resident.

In 2023-2024 seven (teams of) teachers received a Grassroots or Grass shoots grant. Here you can read about their projects.

The Terms of Employment Individual Choices Model gives you some freedom to select your own terms and conditions.

Have you experienced or witnessed unacceptable or transgressive behaviour? This page gives information about what you can do yourself and which ‘helplines’ can assist you in this situation.

On this page, you will find an overview of the awards, grants, and funding opportunities for higher education that are offered within Leiden University as well as by national and international organizations. Are you working on an education innovation project and do you have questions about the suitability…

Marjan van Dasselaar is the Staff Ombuds Officer. The Staff Ombuds Officer gives independent advice to the University on how the staff’s work environment can be made safer.

During a visit, Queen Máxima spoke with researchers about projects exploring climate change, collections and culinary heritage.

An independent review committee has unanimously selected three projects to receive a grant from the Prof. Andrea Evers Fund for Health, Behaviour and Society. The fund, which was launched earlier this year, supports innovative inter- and transdisciplinary research in health and well-being.

GROW: Conversations on Performance, Development and Well-being (Gesprekken over Resultaat, Ontwikkeling en Welzijn). The new GROW interviews offer an opportunity to speak openly with each other about your work, development and well-being.

With a full auditorium at the university's Wijnhaven campus, an extensive programme, inspiring speakers and visitors from a wide range of disciplines, all the ingredients were in place for a successful second edition of the Nacht van de Digitale Veiligheid of Digital Security on 26 May 2026.

‘The climate crisis is the greatest threat we face,’ says Leiden University environmental scientist Paul Behrens. ‘And yet, there is hope. In the near future, I think we will wonder why we didn’t make these changes earlier.’

On Thursday 9 December, Dr Upik Djalins presented an online lecture, entitled 'The Colonial Bureaucratic Network versus the Metropole: The Origin Story of Land Alienation Prohibition in the 1870s East Indies'.

A European team of astronomers, led by Leiden-based researcher Konstantinos Migkas, has uncovered a large filament — a long, thread-like structure — of hot gas connecting four clusters of galaxies. This filament is made up of what scientists call the warm-hot intergalactic medium.

The interdisciplinary Kiem project ‘Violence as a Population Health Problem’ has resulted in a plan to apply for a large, yet-to-be-decided research grant. The so-called pressure cooker session at the heart of the project proved very effective.

The Dutch Research Council (NWO) has announced that Tanja Hendriks, along with 17 Leiden University researchers, will receive a Veni grant, embedded at the ASCL. With this grant, Hendriks will be able to develop the research project 'Taking a Risk on Disasters: speculative humanitarianism amidst a changing…

Karen Smith recently joined the Institute for History as a lecturer in International Relations. She introduces herself.

On the occasion of Euroscience Open Forum 2022, Professor Attiya Waris (Director of Research and Enterprise and Professor of Fiscal Law and Policy in Eastern Africa, University of Nairobi, Kenya), Professor Irma Mosquera Valderrama (Professor of Global Tax Governance, Lead Researcher GLOBTAXGOV ERC…

Forget Python, Java and Scratch: there is now an accessible programming language for children. This is Hedy, invented by Dr. Felienne Hermans of LIACS. Thanks to a collaboration between Jetlearn, an online programming school based in Amsterdam, and Leiden University, Hedy now has translations in Hindi…

Organisation

Marco Cinelli from Leiden University College (LUC) and the Institute of Environmental Sciences (CML) was awarded the 2024 EURO Award for the Best EJOR Paper at the European Conference on Operational Research in Copenhagen.

It is the eighth year in a row that the Faculty of Archaeology is placed in the top ten of archaeological institutes worldwide. The QS World University Rankings by Subject looks at criteria like academic reputation and citation ratios.