Almost everywhere in the world where the post exists, the beadle is a ‘master of ceremonies’ who only makes his appearance on special occasions. In Leiden the beadle does much more. He is indispensable at dissertation defences and orations. He directs ceremonies and is a master at calming nerves.

What will happen if the lights in a large part of the city are switched off? How many stars can you see without all that light pollution? This is what researchers, artists and the residents of Leiden are going to investigate during Seeing Stars Leiden on 25 September. ‘Leiden is the ideal place for…

The interdisciplinary AI & Society minor of Leiden University brings together students and lecturers from a wide range of disciplines. Together they look at the impact of AI on society. Students are enthusiastic about this merging of worlds.

If it was up to alumna and member of the Advisory Board Anne Marie van Rietschoten, philosophy and ethics would be part of the standard curriculum for a law degree. In our monthly flash interview with alumni, Anne Marie explains why she believes this is so important.

As of October, Joeri Reinders has joined the Leiden Teachers’ Academy, a group of innovative lecturers who each receive a €25,000 grant for projects focused on educational innovation. For Joeri, this revolves around sustainability and climate change.

The National ThinkTank presents an analysis and seven solutions to the social issue of ‘meaningful ageing’.

Thinking about the next step in your career, networking, preparing for the labour market or possibly meeting your future employer. Over 400 students and young alumni of the Faculties Governance and Global Affairs, Humanities, and Behavioural Sciences came together last week during the Campus The Hague…

There are as good as no clear rules for the return of stolen art. This means that rather than in court, many cases are decided in the political arena instead. In her PhD research Evelien Campfens suggests how this could change. PhD defence on 11 November.

With a grant from the Digital Infrastructure Insights Fund D//F, John Boy and members of the d12n research cluster will explore new ways critical technologists try to align their work with digital technology with the political goal of defending the public interest.

In the Netherlands, when we talk about the United Nations, the conversation is almost always about the member states from the northern hemisphere. But the most interesting players come from the ‘Global South’, Professor Alanna O'Malley and her team argue in a podcast.

Astronomers led by Leiden PhD candidate Richelle van Capelleveen have, for the first time, discovered an exoplanet that has carved a bright gap in the protoplanetary disc around its star. This rare observation provides new insights into how young planets shape their surroundings.

A true shower of awards for students from the Faculty of Science during the annual KHMW Young Talent Awards ceremony. On Monday, 25 November, no less than nine first-year students received a prize for the best academic results in their first year. In addition, there were graduation prizes for master’s…

The Rutte IV cabinet is more or less complete. It includes more women than ever. For the first time ever, the Netherlands will have two ethnic minority ministers, and ministers without political experience but with plenty of professional expertise will also be making their debut. However, political…

Terrorism, crisis, violence, intelligence, diplomacy, war and peace are topics that are broadly covered in ISGA's research activities. Regularly, ISGA researchers appear in international media to discuss their research expertise. This item offers an overview of non-Dutch and non-English articles and…

Ilja Leonard Pfeijffer delivered the Huizinga lecture on Friday 8 December in a packed Pieterskerk. The writer seized the opportunity of the 52nd edition to point out the importance of creativity, both for artists and scientists.

Better pay and new agreements with streaming platforms: the actors’ strike that brought Hollywood to a standstill a few days ago is mainly about money. But there is something else that film actors are worried about: the increasing use of Artificial Intelligence. Is this fear justified?

Besides physics, the sleep of PhD students also benefits from Vitaly Fedoseev's PhD research. He will receive his doctorate on July 7 for his work on optomechanics within quantum mechanics. And also on a setup that eliminated the need for PhD students to push a button every hour for 72 hours.

“You want to be a great leader? Start by figuring out who you are.” On February 2nd, Elanor Boekholt-O’Sullivan, the first female three-star general of the Netherlands, addressed the students of the Leiden Leadership Programme in an inspirational seminar about leadership and authenticity. “Hearing this…

She has had the idea for seven years, but now environmental scientist and conservation biologist Kat Stewart finally gets to work on it. She has been awarded a Vidi grant by NWO to find out how DNA from water can be used to shed light on invasive species and their impact on native populations.

In zoos, at festivals and in a mobile lab at the market: everywhere, Mariska Kret tries to understand human and animal emotions with her distinctive behavioural research. Now she has received the Mercator Sapiens Stimulus of €1 million for her efforts.

Forest degradation has limited the Orang Rimba's access to forest resources. As a result, they've had to make significant cultural modifications and adaptations. Ekoningtyas Margu Wardani explains in her PhD dissertation these transformation processes among Contemporary Indonesian Hunter-Gatherers through…

Anyone who has taken a walk through the centre of Leiden before might have come across him, an attentive group of tourists gathered around. After studying history, Koen van Toen, or Koen Marijt, started his own business. He now organises historical walks, among other things.

In Spring 2023, Leiden University’s Faculty of Governance and Global Affairs (FGGA) launched a new Honours Class ‘Model European Union Simulation: Policies, Negotiations and Transatlantic Experiential Learning’.

A psychology degree, a career that started in the commercial sector and now a role where she feels she can make a difference. For alumnus Marisse van Os (34) everything has come together in her current job at an innovative mental health services provider.

In the next decades, thousands of wind turbines will be added to the North Sea. Environmental scientist Chen Li identified the most beneficial areas for their construction, focusing on material use, carbon footprint, and environmental impact. His paper was published in Environmental Science & Techno…

A group of biology students are working on a solution to the world’s plastics problem by getting bacteria to make biodegradable plastic.

A new administrative culture. Renewed vigour. More transparency. Will it become reality with the new government? And how do you go about achieving it? By all of us striving to change together: not just politicians, but also stakeholders, civil servants, media, and civilians. That was the conclusion…

As of 1 November 2025, Professor Luc Sels will assume the role of President of Leiden University’s Executive Board.

Femke is a third-year student of Dutch Language and Culture. She was a board member for a year, did an internship in times of COVID-19, and above all has a passion for her mother tongue.

On Saturday 16 April, secondary school pupils will once again have a chance to sink their teeth into the hardest language-related questions during the final of the Linguistics Olympiad. Professor Sasha Lubotsky and PhD student Cid Swanenvleugel are both former Olympiad winners. Now they are involved…

By far the majority of users of child sexual abuse networks (or child porn forums as they are sometimes called) on the dark web do not actively communicate there but download illegal material, therefore committing a criminal offence. But they often stay under the police and judiciary’s radar. PhD candidate…

Wat weten we over de kinderen die achterblijven na (ex-)partnerdoding? Regisseur Sara Kolster en hoogleraar Marieke Liem sloegen de handen ineen om deze groep slachtoffers in beeld te brengen: met de indrukwekkende documentaire ‘Blauwdruk’ en nieuwe cijfers uit de Femicide Monitor.

From games to scavenger hunts: museums already do all sorts of things for children. But how do children really look at art? Do paintings affect them more if they receive information that is specially tailored to young visitors? Join psychologist Francesco Walker at the Rijksmuseum in Amsterdam and see…

There are many links between Leiden and the US. The highest office there has been held an impressive nine times by presidents with Leiden roots. This has led to memorable visits to Leiden University.

Following in the footsteps of Professor Jan Zaanen, visiting fellow Louk Rademaker is exploring quantum effects in so-called strange materials. His research is paving the way for new materials that could be used in emerging technologies.

Thomas Moerland studied medicine and mathematics in Leiden and has a lifelong fascination with the origins and workings of intelligence. He brought all that together in his popular science book Van IQ naar AI (From IQ to AI).

Rianne Scheerhoorn is a government trainee at the Ministry of Economic Affairs and Climate Policy and the Ministry of Agriculture, Nature and Food Quality. After completing her Bachelor's and Master's degrees in Public Administration, she was sure that the Central Government Traineeship Programme (Rijkstraineesprogramma)…

How can the Netherlands help secure a peaceful future for Israel and Palestine? At a recent meeting at the university, two remarkable speakers shared their perspectives: Somaya Bashir, a Palestinian woman living in Israel, and Palestinian journalist, Houssam Khadra, who fled Gaza over a decade ago.

On the university’s birthday, professors teach a class of 10 and 11-year-olds during Meet the Professor. The professors were bombarded with questions.

A star does not just appear in the sky overnight. Its creation takes tens of thousands of years. Twenty years ago, astronomers took a picture of a star in its birth phase. The James Webb Space Telescope (JWST) could now capture that same star in much greater detail. This does not only provide beautiful…

One day you feel inspired by a field trip, the next you are a speaker at TEDxLeidenUniversity. It happened to International Relations student Alexia. How did she end up on stage – and why did she want to? Alexia shares her story with us. ‘I was given hope, and I wanted to share it with others.’

Examining cybercrime from criminological, legal, administrative, and technical perspectives. The new Bachelor's programme in Cybersecurity & Cybercrime addresses the growing demand for versatile cyber professionals..

PhD candidate Alex Tutwiler, from the Faculty of Archaeology, has received a grant from Archol, via the P.J.R. Modderman Foundation, to investigate how child labor shaped the bones of Dutch children between the 17th and 19th centuries. Using CT scans, she aims to build a more comprehensive picture of…

From global warming to the decolonisation of knowledge. At the EuroScience Open Forum (ESOF) in Leiden over 500 speakers from 60 countries have come together to discuss the big themes of our times. Why have the delegates come?

Alexander van Oudenhoven is the brand-new education director of the master's in Governance of Sustainability. The study has already entered its fourth year and Van Oudenhoven is very enthused. What makes this a special programme and what are his plans?

Author and political scientist Mounir Samuel has spent recent years delving into the many ways that language can exclude people and bring them together.

In medical and psychological sciences, little research has been specifically conducted on women. Hormonal fluctuations were considered too intricate. Yes, research into sex and gender differences is complex, acknowledge neuroscientists Ellen de Bruijn and Lara Wierenga, but that’s precisely why it's…

Spui Campus, Leiden University’s fourth location in The Hague, will soon open its doors. The former V&D department store’s transformation into a university campus is becoming more visible by the week. Removal vans will soon be driving back and forth to move all the furniture there in time. The first…

From children’s birthday parties to international ambassadors, the Old Observatory attracts a wide range of visitors. Student coordinator Sanne van Beek connects visitors and students, ensuring everyone — from five to sixty-five — learns something about the stars.

Maak kennis met Siggie, online coaching voor FGGA-studenten