Several Dutch universities have said they do not want foreign student numbers to grow any more in some of their degree programmes. They are reaching maximum capacity. We are also alert to this in Leiden, but I see many positive aspects to the intake of international students.

The Teaching Fair is once again upon us. What can we expect from this year's afternoon of inspiration for teachers? Three participants tell us.

Bastiaan Rijpkema has been appointed Professor by special appointment of the new chair Tolerance at the Faculty of Humanities with effect from 1 July 2021. The chair was established by Stichting Leerstoel Uytenbogaert.

The Epic of Gilgamesh was a lifelong inspiration to artist Harry van Kruiningen. This tale from Mesopotamia about the adventures of Gilgamesh, the legendary king of Uruk, and his friend Enkidu is one of the oldest surviving epics in world literature. Despite its almost 4,000 year age, it still captures…

The energy transition ranks high on the European policy agenda, but what does it take to get there? René Kleijn researches how we can extract, use and reuse raw materials in a responsible way. Since 1 March, he has been appointed professor of Resilient resource supply.

New! Participate in vital activities during our Healthy University Let’s Walk Week (March 1-5) and challenge your colleagues in our organization wide walking competition using the Ommetje-app!

Together with Leiden University’s central HRM department, the department of Health-, Medical- and Neuropsychology has started a new HR pilot. For all colleagues a simplified and improved ‘Annual Interview’ is being introduced.

Three researchers from Leiden University have been awarded a Starting Grant by the European Research Council. The subsidy will allow the researchers to set up their own projects and put together a research team.

Leiden University College The Hague received the 'Top rated Programme' seal from the Keuzegids Universiteiten 2023 (Dutch University Guide). It is the tenth consecutive time the Liberal Arts & Sciences programme focusing on Global Challenges is awarded the honorary seal.

For the twelfth consecutive year, Leiden University College The Hague has been awarded the 'Top Programme' quality label by the Keuzegids Universiteiten 2025. With an impressive overall score of 89 out of 100 points, the Liberal Arts and Sciences: Global Challenges (BA/BSc) programme has earned five…

The LUCL has a new Scientific Director. Professor Sjef Barbiers took over the reins from Lisa Cheng with effect from 1 January. 'This is a great opportunity to contribute to a wonderful institution.'

Missing legends, illogical connections or three-dimensional graphs. There are many ways in which data can deceive. Five students took up the fight against misleading statistics. Their lesson series can now be found online.

After receiving positive feedback from peers, socially anxious young people feel as confident about themselves as their non-anxious counterparts. 'These young people are then able to handle new social situations more confidently,’ says Leiden psychologist Anne Miers. Her research is published in the…

Data scientist Lindsey Burggraaff has won the second edition of the Krijn Rietveld Memorial Innovation Award. She receives the prize for her research into bioactive substances in food. ‘Burggraaff's work is situated at a unique intersection of data science, biochemistry and the fields of food and nutrition,’…

For a long time, even many researchers thought that guide dogs were a relatively modern invention. An accidental encounter with archival material showed university lecturer Krista Milne that guide dogs helped their blind owners as far back as the Middle Ages. Milne now has received an NWO XS grant to…

How do we balance policy critique with constructive policy recommendations? How do we navigate power relations between policy makers and (disadvantaged) communities, without estranging either? And what are particularly productive methods for translating our medical anthropological insights into poli…

As one of the first environmental scientists ever, Arnold Tukker received the honorary doctorate at Linköping University on Saturday 12 November. This Swedish university awarded Tukker for his scientific work to establish a circular economy.

Why are mycobacteria such successful pathogens? And are there defence mechanisms in the body that help reduce an infection? To find out, Annemarie Meijer has been awarded the NWO Open Competition ENW-XL grant. She will not explore this quest alone. Five other leading Dutch research groups are participating…

Starting four years ago, the same privacy laws apply throughout the European Union: the General Data Protection Regulation (GDPR). The law also affects our work at the university. As a refresher, we spoke with Privacy Officer Max van Arnhem about privacy in the workplace and what to do if something…

A rapid increase in the demand for construction sand is driving shortages and inequality around the world. Researchers from the Institute of Environmental Sciences at Leiden University have mapped the growing need for sand, as well as the bottlenecks and possible solutions. They have published their…

On Monday 3 November, Hanneke Hulst bid farewell to the Institute of Psychology and gave a heart-warming speech to her colleagues. After two years as scientific director, she is moving to New Zealand to start a new chapter in her life. ‘I wish you all one thing that costs nothing but is worth everything:…

Climate interventions do not lead to more climate action among Dutch, but they do raise awareness about climate change.

To what extent can global issues be solved by multistakeholder collaboration, a relatively new type of organisation? Jan Aart Scholte, the coordinator of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme, has received a Dutch Research Council (NWO) grant…

No less than 33 project received a Leiden Kiem grant in 2023. How did they fare? Olga Bogolyubova shares experiences from her project ‘Interdisciplinary Approaches to the Study of Safety and Danger in the Digital World’.

If there's one thing that students should get from their teachers, it’s good feedback, says assistant professor Andrei Poama. ‘But we need to do it in a more fair way.’ Together with a team of experts on educational sciences, he is working on a project that develops GenAI applications that teachers…

eLaw reflects on a very successful turnout at this year's 17th edition of the annual CPDP Conference in Brussels. This year, the conference was rebranded as CPDP.ai in order to draw attention to AI regulation and governance beyond privacy.

An international team of astronomers, including astronomers from Leiden University, has found the missing link in the path taken by water through star-forming clouds and young stars to comets and planets. They did so with the help of the ALMA observatory in Chile. The researchers published their findings…

Understanding the proces of electrochemical reactions is essential to improve the technology for the energy transition. Fuel cell cars, for example use hydrogen produced from the electrolysis of water. Mariana Monteiro did fundamental research on the process and won two prizes with her thesis.

Mirjam de Baar has been Vice-Dean of the Faculty of Humanities and portfolio holder for education of master’s and research master’s programmes since 2016. As a result of her reappointment, she will continue to fulfil this role for an additional four years. ‘Being asked by the Vice-Rector and the Dean…

Gijsbert Rutten has been appointed professor of Dutch Linguistics with effect from 1 July. In this position, he will focus on language change and language variation, with a particular emphasis on historical sociolinguistics.

The journal Philosophical Transactions of the Royal Society – Biological Sciences published its theme issue ‘Conflict across taxa’ on 4 April, which was edited by Professor of Social and Organisational Psychology Carsten de Dreu. Together with researchers from other disciplines he provides more insight…

'Psychologists think I’m a linguist but linguists think I’m a psychologist,' says cognitive neuroscientist Xiaochen Zheng. With the Veni grant she will be able to bring these two fields of research closer together. Read her answers to five questions.

The Leiden Teachers Academy (LTA) was founded to help collaboration between excellent teachers. Osteoarchaeologist Dr Rachel Schats has been one of the latest additions to the Academy, nominated by the Faculty Board for the position as a Teaching Fellow. ‘In the LTA we talk about new innovations in…

The Greek alphabet dates back to the eighth century BC. At least, that is what science assumed for a long time. Associate Professor Willemijn Waal is going to use a Vici grant to investigate whether the Greek alphabet may be centuries older, and was initially written only on perishable materials.

A suitcase covered with stickers from various universities, containing a quantum light source. Since April 2024, this suitcase has been visiting scientists in Europe researching single photons: the smallest possible quantity of light. The suitcase, also called ‘Q-torch’, travels from lab to lab like…

It’s starting to become a real Dies Natalis tradition: on 8 February professors from Leiden University teach a class at primary schools in the region. This introduces children to academia and teaches them more about conducting research. ‘Had you expected me to be a woman?’

Besides the launch of our new degree programmes in The Hague, at the start of this academic year we are also fully committed to the renewed curricula of our existing bachelor’s programmes. Here, you can read about the most important developments within the programmes.

Just as some people today dislike English influences on the Dutch language, in early modern times people also criticised the Frenchification of Dutch. But to what extent did French actually leave its mark in our language? PhD student Brenda Assendelft made a surprising discovery. PhD defence 24 May.

Grondstoffen werden vroeger over duizenden kilometers afstand vervoerd. Waarvoor werden ze geruild en waarom sloten mensen in West-Azië zich aan bij deze handelsnetwerken?

Turkish and Syrian students met Rector Magnificus Hester Bijl to discuss how the university can support students who have been affected by the earthquake.

Thijs Bosker, Associate Professor of Environmental Sciences at Leiden University College (LUC) and the Institute of Environmental Sciences (CML), has received funding as part of a large consortium to study the impacts of microplastics on agricultural soils. The project will receive 7 million euro of…

If you do research on Leidens Ontzet in Leiden, you can count on a lot of interest. But Leiden Kennisstad interns Marieke Nolten and Alexander Nuijten had not expected there would be quite so much interest. They concluded a year of research with the presentation of a scientific paper.

During a meeting at the University on 10 November, staff spontaneously removed a painting by artist Rein Dool from the wall in one of the meeting rooms in the Academy Building, reversed it and placed it on the floor. A tongue-in-cheek action with a serious undertone. This has led to a lot of commotion…

‘Microscopy is by far the least understood, most inefficiently operated, and the most abused of all laboratory instruments,’ reads the quote on the office wall of microscopy unit supporters Joost Willemse en Gerda Lamers. It describes exactly why the two developed the microscopy course for starting…

Is polder rice a feasible circular alternative to cows on peat soil? In May, an experimental trial began, with researchers from Leiden University and Wageningen University & Research (WUR) planting around 3,000 rice plants at the Polderlab near Leiden. The researchers aimed to test rice as a middle…

Gerard van Westen has received the KNCV Gold Medal, the most important Dutch award for chemists under 40. 'It's a huge honour,' says the professor of AI and medicinal chemistry. 'I am now part of the group of people I was always impressed by.'

From pipetting in the lab to shining in front of the camera at a global student event. With 8.000 viewers watching the livestream, Marjolein Crooijmans presented the iGEM Giant Jamboree in Paris.

Shiru Lim has been working at the Institute of History as an assistant professor since August 1, 2023. Below she introduces herself.

Buying chocolates as a sign of love, getting the best deals on Black Friday and putting on a spooky costume for Halloween. In recent years, these holidays and traditions have taken off in the Netherlands, even though they originated on the other side of the ocean. Why are we so excited about American…

Fish populations in lakes and rivers have declined in recent decades. This is probably due to light and noise pollution. The Horizon Europe grant enables ecologist Hans Slabbekoorn to investigate this and improve the situation for migrating fish. In order to do so, a seven-metre-long swimming tunnel…