Who can pitch a book so well that everyone wants to read it? These are the winners of the 2025 Alternative Reading List Awards.

A flu virus could cause a pandemic. And then we would be poorly armed because flu viruses are starting to become resistant to flu medications like Tamiflu. Chemist Merijn Vriends successfully worked on an improved version of such medications. He will be awarded his doctorate on September 12th.

Leiden physicists Alexandre Morin and Samadarshi Maity study self-organisation and flocking phenomena. They shed light on flocking, which helps to understand how it is possible that birds in a flock don't collide. With plastic microbeads, they create an experimental setup and they developed a mathematical…

The description of a painting directly affects how children look at that artwork. This was discovered by psychologist Francesco Walker in the Rijksmuseum. Another finding presented in his article in Nature - Scientific Reports is that giving children information intended for adults has the same effect…

It came as a shock to many people: one million plant and animal species are threatened to become extinct. But this number isn’t the most relevant aspect, argue Alexander van Oudenhoven, Koos Biesmeijer and three other experts in Dutch newspaper Trouw. ‘It is more important to realise that the fate of…

Why does a medicine work well for one person, but cause side effects in another? Research by Laura de Jong shows that it’s not just our DNA that matters – other medicines and illnesses can also affect how our bodies respond.

How can social scientists contribute to a healthier society? That question was central to the Healthy Society Event on 9 June 2022, which successfully marked the start of a more conscious and intensive collaboration between the five Institutes of the Faculty of Social and Behavioural Sciences on education…

Monique Koemans werkt sinds 2,5 jaar op de Nederlandse ambassade in de Verenigde Staten. 'Leiden is een opvallende rode draad in mijn leven.'

Over a seven year period an international team of scientists has mapped more than a quarter of the northern sky using the Low Frequency Array (LOFAR), a pan-European radio telescope. From Leiden, Astronomer Timothy Shimwell and Huub Röttgering, among others, are involved. It reveals an astonishingly…

The nominees for the IRO Thesis Prize 2025 and the Prof. Dr. J.Th.J. van den Berg-prijs 2025. Who authored the best thesis in Leiden University’s bachelor’s programme in Political Science?

Mark Rutte, the Dutch prime minister, gave a guest lecture to first-year law students at Leiden University. He spoke about democracy, the war in Ukraine and the role of the Netherlands.

This semester we again organize the elective Nitrogen and Sustainability for 36 master students mainly from Industrial Ecology and Governance of Sustainability. The course helps the students to understand the complexity of the Dutch nitrogen crisis and the role different stakeholders play.

The rise of populist parties, the expansion of the role of the state and now the fragmentation of the Senate and the House of Representatives: Dutch political reality has changed rapidly over recent decades. These developments are in stark contrast to Dutch constitutional law that has remained almost…

Het is nog lastig in te schatten wat de gevolgen zijn van de aangekondigde bezuinigingen. Een week na Prinsjesdag kan decaan Koen Caminada al wel wat vragen van binnen FGGA beantwoorden. ‘We staan er relatief goed voor, maar de gevolgen kunnen groot zijn.’

Aphroditi Zoulfoukaridis is the manager of LeidenGlobal, a partnership of several faculties at the University and other academic and cultural institutions in Leiden. In her free time, she enjoys visiting cultural events and loves to travel.

Gianne Derks is the MI’s new scientific director from 1 May. She has worked abroad longer than in the Netherlands and, after more than 27 years in Surrey, she dreams in English. Who is this new director and who or what managed to entice her to make the move to Leiden?

2021, again, sees a rich harvest of bachelor theses in Political Science. Students have been tackling fascinating subjects—ranging from European solidarity in the COVID-19 crisis to the representation of women in democratically elected parliaments—and crowning their research projects with interesting,…

Struinen in het historische centrum, de faculteit ontdekken en natuurlijk chillen aan het strand. Honderden eerstejaars leren in de HOP-week elkaar en hun nieuwe stad kennen. Voor veel studenten is de week een 'gamechanger'.

Tahir Abbas was named full professor of radicalization studies by the Executive Board. This chair, according to Abbas, is an excellent opportunity for ISGA to broaden its current focus on terrorism and political violence. Abbas was interviewed about his ambitions, writing as a form of relaxation, and…

How can parents avoid passing on stress and mental health problems to their children? Professor of Stress-Related Psychopathology Bernet Elzinga develops simple interventions to help both parents and young people. For her research, she has been awarded the Spinoza Prize, the highest academic honour…

Wat gebeurt er op het schoolplein? Sensoren op kleding openbaren pijnlijke patronen

It’s impossible to avoid, even in the Netherlands: the US will soon be going to the polls. Where does it come from, this fascination with US elections? PhD candidate Bram Eenink explains.

Five questions about the event ‘Germany after the Elections: implications for Foreign Policy and European Security’ answered by one of the experts at the event: Joachim Koops. Come by at the Spanish Steps in Wijnhaven on Friday 15 October or join the event online (link below).

What can we learn from Cleveringa’s courageous protest speech? ‘Without imagination and a strong community, people do not stand up for one another,' says Cleveringa Professor Michael Ignatieff in his lecture on 26 November.

Mirjam van Reisen favours big data built up from local inputs in developing countries and suitable for local use. The new Professor of Computing for Society at Leiden's Faculty of Science connects data science with development sociology. Inaugural lecture 10 March.

Every year Leiden University holds the Annie Romein-Verschoor Lecture on or around International Women’s Day on 8 March.

Leiden evolutionary biologist Maurijn van der Zee has co-operated on an enormous international project to describe the genetic material of the pea aphid Acyrthosiphon pisum. The more than 100 authors involved in the project have published their findings in the online magazine PLoS Biology.

A pill can make you better, but how exactly does it work? Primary school children from The Hague found out during a visit to the Centre for Human Drug Research (CHDR) as part of a new teaching module ‘The journey of a pill’.

The Master’s Open Day on 16 March was busy at all faculties in Leiden and The Hague. Thousands of visitors from the Netherlands and abroad came to Leiden University. ‘I want to find out more about the curriculum, and taste the atmosphere,’ said Sarah from Groningen.

How did you get to where you are now? This is a key question in the Academic Life Course board game, developed by and for academics. ‘In a normal working week we hardly ever talk about the career choices we make, but with this game, we do.’

Leila Zerrougui (born in Algeria 1956) is a legal expert on human rights, justice, and rule of law. She is the current Special Representative of the Secretary-General and Head of the United Nations Stabilization Mission in the Democratic Republic of the Congo (MONUSCO). Before she was Special Representative…

Floske Spieksma will give her inaugural lecture as Professor of Mathematics of Operations Research on 1 September. A discussion about mathematical models, Venezuela, trembling knees, being the only woman, casinos, intuition and above all loving your job.

For his PhD project, computer scientist Manolis Fragkiadakis is developing a tool that can compare videos of sign language corpora. This would make it possible to detect differences between sign languages and prevent translation errors. Ultimately, the tool could be used to compare sign languages from…

Starting as an MP during the Covid-19 pandemic and after the recent ‘role elsewhere’ debacle during the coalition talks for a new Dutch government, alumna Mariëlle is looking forward to making a real contribution in society.

Paul Wouters is not keen on people with a dual agenda. However, for the coming period, he himself will be in that very position. Besides his work as Dean of the Faculty of Social and Behavioural Sciences (FSW), he is temporarily coming to strengthen the Board of the Faculty of Science. Who is this Acting…

Beads are among the oldest types of human artistic expression. Even so, the small ornaments have a bad status record regarding archaeological investigation. PhD candidate Mette Langbroek, usually at home studying early medieval beads, had the opportunity to work on a publication and exhibition on 5000…

Olivier Morskate studied Public Administration at Leiden University and did an internship at the European Parliament's Liaison Office.

Environmental scientists Stefano Cucurachi and Paul Behrens and astronomer Jorryt Matthee have received prizes during the New Year's reception of the Faculty of Science on Tuesday 8 January. In addition, Kavli Prize winner Ewine van Dishoeck announced a new award.

Violent conflicts all over the world pose a great threat. Not only to the region’s inhabitants, but also to the cultural heritage in the area. This is the subject of the Europe Lecture in The Hague on 13 June.

The Bachelor Honours Class 'Homo Ludens: Why We Play' combines games, theory, and practice. Students dive into all aspects of humanity in which games play a part and discuss them, both on a theoretical an experiential level: 'Occasionally, you touch upon what play is, but then it eludes you.'

Within the next five years, Leiden University wants its campus in The Hague to become a leading international academic centre with research and teaching that correspond with the city’s profile. All of the faculties will help achieve this, and the University has also signed a partnership agreement with…

Even with state-of-the-art technology, it is almost impossible to see: a cosmic neutrino. Yet scientists have managed to image this particle with a deep-sea telescope. And that could help to better understand our universe. Leiden particle physicists collaborated on this ambitious project, published…

Trinidad and Tobago, a twin-island nation, has over 300 identified archaeological sites that testify to its diverse history, covering pre-colonial, colonial, and post-colonial periods. Many of these sites were discovered by archaeologists in the 20th century and have not been regularly visited and assessed.…

Rainbow flags, funky sounds and drag queen Petty Libel: the very first Canal Pride Leiden has become reality. Leiden University joined the parade with a packed and buzzing boat. ‘The Leideners were really supportive and gave us a great response.’

On 13 September 2016 a symposium and drinks reception will be held to mark the departure of Professor Rikki Holtmaat. On 1 September she had been affiliated to the university for exactly 31 years. What does she remember most about this period and what are her plans for the future?

The walls of Paul van der Velde’s study at the International Institute for Asian Studies are full of neat rows of post-it notes. As organiser in chief, he is right in the middle of the upcoming ICAS 11, the 11th International Convention of Asia Scholars, which is returning to where it was first held…

How do you increase the EU’s EQ so that citizens and countries feel a greater sense of belonging and safety in the EU, and the countries work better together? To answer this question, Professor of European Law Armin Cuyvers works, among others, with social psychologists. Inaugural lecture on 9 Decem…

New Online Platform Launched to Support Global Children's Rights Legislative Reform

Het zal niemand ontgaan zijn dat de digitale dreigingen blijven toenemen. Uit monitoring door onze cybersecurity-experts blijkt dat er continu wordt geprobeerd om ook onze systemen binnen te dringen. Wat doen wij daartegen en hoe kan jij als medewerker bijdragen aan onze cyberveiligheid?

To facilitate the search for new antibiotics. That is the aim of Gilles van Wezel, professor molecular biotechnology at the Institute of Biology Leiden (IBL). He wants to do this by looking at similarities in the DNA of antibiotic-producing bacteria. Van Wezel has been awarded an ERC Advanced grant…