The war between Russia and Ukraine, the conflict in Gaza or the global rise of the far-right: topics that stir up emotions but are also regularly discussed in classes at Political Science. Moreover, with a diverse group of students, there is a great diversity of life experiences, backgrounds and opinions.…

Many pharmaceutical companies no longer have their own lab and are working more closely with universities and start-ups of scientists. Professor of Science-Based Business Simcha Jong is researching how scientific ideas result in new drugs, including at the Leiden Bio Science Park (LBSP).

Instead of feasting on one of the many Easter meals or enjoying the sun on Scheveningen Beach, a delegation of Leiden University College The Hague students spend last week on the preparations for hosting the UCSRN Sports Tournament. On a sunny Easter Monday, University College students from 8 different…

Our Student for a Day events allow you to step into the shoes of current MSc Political Science students at Leiden University. You can join seminars and experience the academic environment first-hand, interact with faculty, and connect with current students to hear about their study experiences and life…

On 11 May the House of Representatives voted in favour of a law that will enable some sectors to reopen sooner than planned with the aid of test certificates. Political philosopher Josette Daemen is critical of the new legislation. ‘Just because we get used to measures doesn’t make them desirable.’

At the beginning of 2020, Maite Boden became the first student ever to receive the Young Star award. She received the award for her contribution to research into the notorious ghost particle: the neutrino. With her master's degree in the pocket as well, she is now looking for a job in data analysis.…

In the last five years the Dutch children’s ombudsman has developed into a full-fledged supervisory body monitoring compliance with children’s rights in the Netherlands. A fuller engagement with its statutory tasks, greater involvement of children and strengthening the autonomous position of the children’s…

On 24 April 2025, political scientist Pawan Kumar Sen will defend his PhD dissertation,

On Tuesday 30 September 2025, PhD candidate Kathleen Brown will defend her dissertation 'Deception, Risk, and Evasion: The Politics of Sovereign Debt in Emerging Markets' in Leiden’s Academy Building. Her research sheds light on the hidden world of sovereign debt politics, revealing how governments…

Although smartphones and other consumer cameras are increasingly used for scientific applications like citizen science, it’s still difficult to compare and combine data from different devices. PhD student Olivier Burggraaff developed a new easy-to-use standardised method which makes it possible for…

Heritage Quest is a large-scale citizen science project in the field of archaeology that allows anyone to contribute to scientific research. It is the first large-scale archaeological citizen science project in The Netherlands and one of the few of its kind in the world. As part of the Cultural Heritage…

Matthijs van Leeuwen of the Leiden Institute of Advanced Computer Science develops methods to make computer models interactive. With interactive models, experts can combine information from raw data with their own knowledge to make predictions more accurate. 'In this way we hope to build models that…

Political philosopher Nicholas Vrousalis (Leiden University) has been awarded a EURIAS Fellowship at Aarhus University’s Institute for Advanced Study (AIAS). From from 1 October 2018 to 31 July 2019 Vrousalis will work at the Danish research institute on his project ‘Inequality against Freedom: Economic…

Bird, butterfly, fish: when you look through a children’s book, you usually don’t think about the fact that humans divided these animals, depicted in bright colours, into categories. Yet, this division has been discussed for centuries. In her PhD dissertation, Didi van Trijp shows how natural scientists…

Using mathematics to help children with bone cancer. It sounds a little strange, but for statistician Marta Fiocco, it's just her job. She gets a substantial grant from KiKa for it. With that money, she is going to study the effect of chemotherapy adjustments.

A job thanks to COVID—something not many people can claim. But PhD candidate Vera Arntzen can. Over the past four years, she has mapped two crucial characteristics of SARS-CoV-2 infections. Thanks to her research, experts can now make well-informed decisions on matters like quarantine duration, which…

What did psychology student Jessie learn while working at a psychiatric hospital in The Gambia? And why is Noman from Yemen now studying political science in Leiden? Thanks to donations from alumni, students have the opportunity to spend time abroad funded by a LUF grant. Jessie and Noman talk about…

Researchers, civil servants and local residents met on 27 September to talk about partnering for sustainability. What were the results? In a green ‘city oasis’ in the centre of The Hague they spoke about the energy transition, bottom-up initiatives and citizen science.

On 16 May, three researchers from Leiden University will present their findings on the democratic consequences of decentralisation at a workshop in Leiden. Their research project, Downsize My Democracy?, shows that decentralisation does not automatically lead to a stronger democracy. On the contrary,…

The Heritage Quest project begins on Monday 6 April. Heritage Quest is the first large-scale citizen science archaeology project in the Netherlands: anyone can help find archaeological remains at Utrechtse Heuvelrug, a heavily forested region in the Netherlands. Citizens can thus get involved in scientific…

Leiden University supports the new Zuid-Holland Acceleration Programme, which builds on the Growth Agenda for Zuid-Holland and focuses on accelerating innovation, sustainability and economic growth in the region.

PhD candidate Julia Wąsala searches for greenhouse gas emissions in satellite data. As a computer scientist, she bridges the gap between computer science and space research. ‘We really can't do this research without collaboration.’

Conference

Research & Politics (RAP) is a peer-reviewed open access journal which focusses on research in political science and related fields through open access publication of the very best cutting-edge research and policy analysis. The journal achieved a high score for the impact factor, which puts it in 49th…

Comparing individual health data with group data allows doctors to give personalised advice and patients to learn from one another's experiences. Wessel Kraaij, Professor of Applied Data Analytics, shows how personal data can have a valuable predictive function. Inaugural lecture 24 February.

As an exchange student, alumna Jessica Ma was already looking for a bridge between statistics and the real world. In Leiden, she gained the experience to follow her interests and, after a few detours, she landed her ideal job with Disney in the United States.

Leiden University has partnerships in the local region, in the Netherlands, in Europe and with countries on almost all the world's continents. Students and researchers benefit from these partnerships, but society is also a beneficiary, says Rector Carel Stolker.

Professor Barend Mons has been appointed Chair of the Commission High Level Expert Group

Lecture

PhD defence

Data science and statistics are closely linked, says Spinoza laureate and Stochastics professor Aad van der Vaart. We talk with him about the big data hype, genome research and collaboration with other disciplines. ‘Statistics helps wherever data is not perfect.’

The Royal Holland Society of Sciences and Humanities (KHMW) has appointed four Leiden professors as members. Petra Sijpesteijn, Vanessa Mak, Mariska Kret and Miranda van Eck have recently joined the KHMW.

Using speech analysis to resolve crimes. That's what Meike de Boer (26) is aiming to do with her PhD research. 'By analysing how a person pronounces

Collaborating in drug discovery and health research was the goal of a visit to the Leiden Bio Science Park on 14 May by a Swedish delegation including His Majesty King Carl XVI Gustav of Sweden. The delegation visited Leiden University’s Faculty of Science.

Psychology Lab on Wheels makes science accessible for everyone. On Monday 24 June, we will be back with our mobile lab at the Old Observatory near the Singelpark in Leiden. Join our research to learn to better recognise emotions with a Serious game and read more about participant Maxime and game developer…

Imagine getting a notification on your mobile phone with your personal code for impending mental health problems or even depression: yellow, orange, or red. Science fiction? Not for scientist Eiko Fried. 'There is a real chance we can prevent some mental health problems before they occur.' Want to participate…

Bioenergy with carbon capture and storage (BECCS) is a promising method for removing carbon dioxide (CO2) from the atmosphere and simultaneously generating energy. Yet this method is controversial, as it may require a great deal of land and water. Researchers at Leiden University have now proposed a…