Pesticides can form a toxic cocktail when they occur in combination in surface water. This is the finding of research that Leiden University and the Dutch National Institute for Public Health and the Environment (RIVM) presented on Monday 14 October. The Dutch Ministry of Infrastructure and Water Management…

A child who receives fewer nutrients in the womb than their identical twin brother or sister is more likely to have developmental problems later in life. This is what researchers from the Leiden University Medical Center (LUMC) write in The Lancet Child & Adolescent Health. This study shows that unfavourable…

Many of the language rules we use today were formulated in the 17th and 18th centuries. In a dual track at the universities of Leiden and Brussels, PhD candidate Eline Lismont investigated why some rules became successful while other rules were quickly forgotten.

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

ChatGPT, translation machines and bots: for Carole Tiberius, they are a piece of cake. On 1 January, she was appointed professor of Computational Linguistics. 'There ae two elements to the field: computer science and linguistics.'

The Atelier pilot officially got underway at Leiden Law School on Thursday 6 February 2025. Four groups, each with a maximum of 18 students, have started the workshops.

Leiden alumnus Emma Govaart (24) wanted to make an impact on society, so she took a job in the non-profit sector after graduating.

Two research projects focused on democracy and citizen collectives have been awarded grants through the 2024 round of the National Science Agenda’s (NWA) ‘Onderzoek op Routes door Consortia (ORC)’. Each project will receive around €6.8 million to get started immediately.

Krista Murchison, University Lecturer at the Leiden University Centre for the Arts in Society, received a Veni grant of 250.000 euros. Her Veni-project will explore the ‘immaterial archive’ and its social and historical significance by digitally recreating manuscripts that were destroyed during World…

Political scientist Kevin Köhler (Leiden University) has been awarded a Consolidator Grant by the European Research Council (ERC). This prestigious grant enables him to set up a research group in the coming five years. Köhler and his team will examine how elite conflict affects processes of regime change…

Let’s take a look behind the scenes of the Faculty Board. Our assessor, Hannah Saberi, shares her typical working week.

Professor Jasper Knoester has been appointed Dean of the Faculty of Science at Leiden University. He will take up the role on 1 January 2022. Knoester is currently Dean of the Faculty of Science & Engineering at the University of Groningen. He succeeds Paul Wouters (Dean of the Faculty of Social and…

Dark matter. Something invisible that, according to calculations, comprises about 85% of the matter in the universe. With an ERC Advanced Grant of €2.5 million, Professor of Observational Cosmology Henk Hoekstra will map out even more precisely where this dark matter is to be found.

New publication reviews Dutch colonial sources on the Indigenous Brazilian Tapuia people: ‘For them the Dutch were another piece on the political chess board’

We catched up with Annette Righolt, Honours College coordinator at FGGA, about a grant, a new course and the new year.

Facility

Annelot did an internship with the crisis management team of ‘Rijkswaterstaat’. During her internship, she was involved in improving an app used for information management during crisis situations.

‘Wadden Sea Sounds’ is the name of a new project launched by the Waddenvereniging in collaboration with researchers from Leiden University and the University of Groningen. The aim is to find out how underwater noise affects marine life in the Wadden Sea.

With the start of the new academic year, the Social Resilience & Security programme proudly presents their yearbook. In the yearbook, you read about the programme’s interdisciplinary research building bridges between institutes, its educational activities such as the new Minor ‘Violence Studies’ and…

A time-lapse of the universe in more detail than ever before: that’s the aim of the NSF–DOE Vera C. Rubin Observatory in Chile, which will unveil its first images of the night sky on 23 June. Researchers at Leiden Observatory have played a major role in making it all possible.

Even though the COVID-crisis continuously evolves and is marked by new realities and uncertainties, we can carefully begin to take stock looking back on the first phases of Dutch crisis management. What can we learn reflecting on the crisis strategies of this extraordinary and transboundary crisis that…

Gabrielle van den Berg became the Academic Director of LIAS on 1 September 2025: “I hope I’ll be able to make a real difference.”

At FGGA, we believe it is important that programme directors continue to improve their knowledge and skills. Daan Weggemans, Programme Director for the BSc Security Studies recently completed the Educational Leadership Training Programme. We asked him about the importance of continuing to obtain new…

A European team of astronomers has discovered the largest stellar black hole in the Milky Way. It is more than thirty times as massive as our sun and is located in the constellation of Aquila, about two thousand light-years from Earth. The astronomers stumbled upon the black hole by chance while preparing…

The Covid-19 pandemic has challenged political leaders worldwide, bringing discussion about leadership in times of crisis. In various media outlets, a recurring topic has been the relationship between the gender of a country’s leader and the success of his or her Covid-19 approach. Especially female…

A delegation from Xi’an Jiaotong University visited Leiden University on 25–26 March, celebrating ten years of cooperation in education and research, and exploring new opportunities for future collaboration.

Master's students Adam El Amraoui, Eesha Sheel, Frieda Chen and Lawrence Kurowski are organising a graduate conference. On March 26, students will gather to ponder definitions of belonging both within Asia and among Asian diasporic communities.

A small cat with a big personality has captured the hearts of students and staff at the Faculty of Science. The black-and-white Bobby even has his own Instagram fan account. Who are the people behind Bobby ‘the astrocat’? ‘He helps connecting people on campus.’

Master’s student Anna van Ark has landed her dream internship at the Rijksmuseum in Amsterdam. For three months, she’ll be shadowing the curator and conducting research on Japanese prints for the acquisitions team.

Workloads, inclusion, sustainability: what should be the priorities? In the university elections from 18 to 21 May, you can vote for colleagues who will represent you on the University Council. The leaders of the four staff parties outline their plans.

During the New Year's Reception at FSW, new Dean Sarah de Rijcke gave her maiden speech. The first official moment at which she's able to share what she stands for and what to expect of her. In case you weren't there, or you want to read the speech at your own pace, below you can find the integral copy…

This Student Support FSW newsletter tells you all about the services provided by the FSW POPcorner, Career Service, and Community Engagement Service. You can read about upcoming activities and vacancies, and pick up tips on study skills, personal and professional development, student well-being, study…

They dreamed of Brussels, worked hard and finally succeeded: working for Europe. The list of Leiden University alumni in Brussels is long. A few days before the European elections, Julia Gencheva and Vincent Miča talk about how they ended up in Brussels and what their jobs entail.

Siemens recently took over the Leiden software company Culgi, founded by professor and inventor J.G.E.M. (Hans) Fraaije. We spoke to him about the algorithm that made him successful, the role of a university in our society and his ambitions at Siemens. ‘I was looking for Siemens, and they were looking…

Panel

Festival

Public Administration has been around for 40 years, and that deserves to be celebrated. Before the festivities begin, four figures from the Institute of Public Administration reflect on the past years, with one even looking back over the last 25 years. Speaking are: Bernard Steunenberg, Caelesta Braun,…

The Week of the International Students, from 14 – 18 November is an initiative of Nuffic. The aim of this week is to showcase the importance of an international experience for both Dutch and international students. This year’s theme Meet the world, make the change highlights the positive change students…

Why do people commit violence? A question that may not occupy many minds, but one that Don Weenink has been researching for many years. Since 1 March, the sociologist has held the title of professor of Violence and Policing.

Curious to find out how you can contribute to a safe working environment? Then keep reading to discover our tips for working securely. They will help you to work more safely in specific situations. This section contains tools and tips to promote safe working habits in specific situations.

Curious to find out how you can contribute to a safe working environment? Then keep reading to discover our tips for working securely. They will help you to work more safely in specific situations. This section contains tools and tips to promote safe working habits in specific situations.

Bachelor, Master

Alumni event, Lustrum

You can find here questions and answers about the new mobility policy and what this means for the commuting allowance, the home-working allowance, the contribution to internet use, domestic business travel and the kilometre allowance via the Individual Choices Model.

My colleagues and I have been devastated to learn that our good colleague and friend Stefan Landsberger (born 1955) passed away unexpectedly, on 26 September 2024. Stefan had been a fixture of China Studies in the Netherlands, where he had been Associate Professor of contemporary Chinese History and…

With its FestivOWL theme, Orientation Week Leiden (OWL) promises to be one big festival for new international students in Leiden.

Researchers Rowie Stolk and Caelesta Braun’s ‘Litigation in the name of public interest’ Kiem project included an interdisciplinary workshop on the same topic. For starting PhD candidates in particular, this was the chance to build valuable connections.

Now that the Herta Mohr building is fully operational, construction work is moving to the other side of the University Library. Over the coming years, the former Matthias de Vrieshof will be transformed into the Aleida Nijland building. Architect Bart van Kampen tells us more about the plans.