Sandra Palmen studied tax law at Leiden University and built a career within central government, currently as State Secretary. She was one of the first to raise the alarm about the child benefits affair and is now righting the wrongs.

Our constitutional democracy is under pressure. Politicians are increasingly bending rules and institutions to their will, often in small steps. PhD candidate Jorieke Manenschijn warns that through a combination of subtle changes we can cross a line without realising it.

Leiden scientists lead COLIBRE, a groundbreaking set of cosmological simulations. By including key missing physics, cold gas and cosmic dust, they offer the most realistic picture yet of how galaxies formed and evolved since the dawn of time.

While the Netherlands was in lockdown because of the coronavirus, PhD candidate Koen Rijpkema began his research into the same virus. In the lab, he developed molecules that can inhibit an important viral enzyme.

For a successful return to society, incarcerated individuals must work on their reentry during their sentence. Not all such individuals receive good reentry support. This is according to a report by Leiden criminologists.

In 2025, our colleagues from the Institute of Psychology once again made a strong presence in the media. From (inter)national newspapers to podcasts, discover where they shared their expertise in the media this year.

The Leiden Ranking – Open Edition is completely transparent. The ranking compiled by the CWTS uses open data and publishes the algorithms that are used.

A surprising amount of life grows, crawls and flutters around Leiden University’s buildings. During the Biodiversity Challenge – from 30 April to 2 July – the campus will turn into a research site, and you’ll be the researcher. Grab your phone, take a look around and record what you see.

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

The bachelor’s programme in Dutch Studies marked its fortieth anniversary on 22 May with a festive gathering in Leiden.

Male scientists owe their position to their brilliance, women to their hard work. Or do they? The Equalista app helps staff and students at the Faculty of Humanities to become aware of gender equality.

How can we slow the progression of atherosclerosis? Researcher Amanda Foks believes the answer may be switching off ageing immune cells. This could lead to an entirely new treatment for heart attacks and strokes. She has been awarded an Established Investigator Dekker Grant by the Dutch Heart Founda…

Education, Organisation

Professor Sarah de Rijcke became the new Rector Magnificus of Leiden University on 15 January 2026. She introduces herself and shares what motivates her to take on this role.

Education, Research

Two years ago, Russian tanks crossed the border into Ukraine. The war seems to be getting closer and closer. Is it time to dust off and reintroduce military service? Our students have their say.

Stress and overwork are massive problems today, but relatively little is known about stress factors in the past. With a look at the deep history of stress, Sarah Schrader hopes to get a better understanding of the human stress experience. Her project application received an NWO XS grant.

Researchers from Leiden and Indonesia work together on a range of projects on topics such as disappearing languages and cultures, the role of Islam, circular economy, biodiversity and medicine. They also work on projects to improve legal education and make Dutch sources and Indonesian heritage accessible…

A consortium led by Eefje Cuppen, Professor Governance of Sustainability at the Institute of Public Administration, has been granted NWO funding for a research project looking into the social, societal, and technical aspects of the energy transition.

In the online panel discussion of ESOF 2022 ‘The effect of the online world on adolescents’, together with Amy Orben, Professor Eveline Crone, Sterre van Riel, Professor Anne-Laura van Harmelen and Professor Jan Sleutels, Professor Ton Liefaard shared his research on adolescents and the online world…

On Thursday 29 September the workshop ‘How to Disappoint your Parents’ took place at Wijnhaven. Lenore Todd, Student Life Officer and Assistant Professor at LUC, was in charge of the workshop. The workshop centered on the question who and what causes you stress and, more importantly, how to deal with…

A ‘world class institute’ with a ‘vibrant atmosphere’, doing research on a continent that is ‘becoming increasingly important’. That is how Annetje Ottow, president of Leiden University’s Executive Board, described the African Studies Centre Leiden (ASCL) on its 75th anniversary celebration on 8 September…

The project will further the development of policies, practices, and capabilities in responsible academic career assessment.

It is not always easy for students to apply their academic knowledge in practice and get acquainted with the work environment of professional public organisations. Public organisations may struggle in turn to successfully address leadership challenges in their current way of working.

LION

Eduard Fosch-Villaronga from eLaw - Center for Law and Digital Technologies, together with Hadassah Drukarch and Carlos Calleja, explores how compliance tools could be used as data generators for policy purposes to optimise regulatory frameworks for existing and emerging robot technologies.

Education, Research

Work has begun on an accommodation complex for international PhD candidates and postdocs at the Leiden Bio Science Park.

Stefaan Van den Bogaert, Vice Dean of Leiden Law School was delighted to announce on 29 March 2023 that the faculty has awarded research funding to all applicants for starter grants.

Preventing or delaying disease often requires lifestyle changes, which turns out to be difficult. Valentijn Visch and Sandra van Dijk are researching how to help people change their behaviour.

With the passing of Stephen Haigh on 9 September 2022, Leiden University's Institute of Political Science has lost a dedicated and inspiring instructor.

On Thursday May 11, medical anthropologists from Leiden University organized a festive opening of their new network, the Leiden University Medical Anthropology Network (LUMAN). In August 2022, these Leiden-based scholars started gathering and organizing this new network with two main goals, namely to…

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…

As of 1 October, Marlies Reinders (1973) will be the new Dean of the Faculty of Medicine and will sit on the LUMC’s Board of Directors. This will return the board to full strength.

The university has been shaping the city of Leiden for 450 years. A brief history of the university buildings that have helped define the city.

On 13 and 14 October 70 first-year students of the MSc in International Relations and Diplomacy had the opportunity to visit several European Union institutions in Brussels.

Leiden health psychologist Liesbeth Van Vliet receives recognition for her research on doctor-patient communication and its influence on quality of healthcare. Van Vliet has been awarded one of four Heineken Young Scientists Award 2022 for promising young researchers working in the Netherlands.

Japanese newspapers, photo archives from the Dutch East Indies or information on gender and sexuality: all these can be found in the University Library's 621 humanities databases. A flyer campaign to raise awareness of them begins this week.

We hebben 6 van de 9 grenzen overschreden die bepalen of menselijk leven in de komende generaties nog mogelijk is op aarde. Kunnen we het tij nog keren?

The cargo lost at sea as a result of the MSC Zoe disaster should be considered environmental pollution and information about it should be made public. This was the case made by Leiden Law School’s Leiden Advocacy Project on Plastic (LAPP). Following their investigation, the government has finally decided…

In a topping out ceremony on Thursday 30 January, the new sports centre celebrated reaching its highest point and looked ahead to the future. The university will have a spacious and sustainable sports building by the start of 2026.

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.

On 19 June, the grounds of the Kamerlingh Onnes Building were transformed into LAWLANDS! It had everything: sun, music, science, beach, games, quizzes and, above all, an enthusiastic audience of staff and students.

For three days, our faculty was all about We are Science Week: the community event full of fun activities for our staff and students. Besides the famous Beat the Professor PubQuiz, this year you could take USC yoga classes in the Gorlaeus garden, escape from Einstein's Escaperoom and sing along at the…

Dr Mark Leiser, Assistant Professor at eLaw, and Wen-Ting Yang, former Law And Digital technologies student, won the Best Paper award at BILETA, the United Kingdom’s largest tech and legal education conference.

In a new article in the journal Scientific Reports, Leiden archaeologist Wei Chu and colleagues report on recent excavations in Western Romania at the site of Româneşti, one of the most important sites in southeastern Europe associated with the earliest Homo sapiens. The site gives an important glimpse…

A course that concludes with a video pitch, instead of a paper or examination: Italian Language and Culture students each recorded their own knowledge clip, speaking to a wide audience about Italian cultural expressions. We asked Goran Bouaziz, Cameron-May Bosch and Katja Timmer what they thought of…

The winners of the JSVO teaching prizes for academic year 2020-2021 were announced at the opening of the faculty year on 7 September 2021.

As every academic year, the leadership team of the Young Academy Leiden (YAL) is changing. Sarah Giest, Assistant Professor at the Institute of Public Administration, will be the new Vice-Chair. Annemarie Samuels, Asssociate Professor at Social Sciences, will be the new Chair. The Young Academy Leiden…

The Duurzame Jonge 100 (Sustainable Young 100) is an annual election for young entrepreneurs, young professionals and students who show that a sustainable future is possible. The 100 most inspiring people in the field of sustainability are chosen from all participants and appear on the list. This year,…