Populist parties in national parliaments have a different style of working from their colleagues in other parties. They often vote against Cabinet proposals, but do not ask more questions about Cabinet activities. This is the finding of Leiden research in different European countries.

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).

To what extent does exoplanet Proxima b resemble our Earth? And is there some form of life present? Astronomers hope to find answers to these questions with the new European Extremely Large Telescope (ELT). An NWO research grant of €18 million will allow a Dutch consortium to continue building instruments…

In mid-March 2020, the global coronavirus outbreak changed everything in the Netherlands. Staying at home as much as possible and the 1.5 metre rule became the standard. One year on, we reflect on the past year with four Leiden Law School ‘insiders’. What kind of year did they have? And what are their…

It matters a lot whether a fatwa is given by a female or male Islamic scholar, discovered doctoral student Nor Ismah.

Exploring the minds of our primate cousins in the wild, using under-exploited observations of their travel paths. A large set of observations of the travel paths of wild primates provides new opportunities for in-depth insights in the evolution of the mental abilities that primates, including ourselves,…

Can cognitive decline in people with Parkinson’s disease be measured using digital tests at home? According to an interdisciplinary team of researchers, the answer is yes. They investigated this with a Kiem grant from Leiden University.

‘We want to say something very different from the norm. We are the radicals now.’ Tahir Abbas is lyric about the DRIVE project he will be leading from Leiden University in The Hague. This is a short introduction to the research that will be carried out in the Netherlands, Denmark, Norway and the United…

‘If you want to implement open science, you at least need someone at each faculty who can help researchers to solve practical problems.’ Dorien Huijser spent two years managing the transition to a new working method at the Institute of Psychology’s Brain and Development Research Center.

She’s not one to seek the spotlight, but when it comes to raising the profile of the service desk, Brigitte Kraakman goes the extra mile, even if it means stepping out of her comfort zone for an interview. As a familiar face behind the Faculty of Science’s service desk, Brigitte is known for her helpfulness…

Discovering while still studying whether work in science might be for you. That is what students get during the faculty Research Traineeship Programme. On Friday 1 September, they presented their results to each other and their supervisors.

A boost to self-confidence and clarifying; this is how participants experience the new-style Annual Interview. The approximately 40 interviews conducted, used 360-degree feedback and an updated Result & Development form. Hanneke Hulst: 'I hope other units also dare to take the leap.'

Reinout Vriesendorp has been Professor of Insolvency Law since 2016 as well as a partner at law firm De Brauw Blackstone Westbroek. For nine years, he has advanced multidisciplinary collaboration, internationalisation and high-quality education. On 9 May, he will deliver his valedictory lecture after…

Its idyllic setting and white sandy beaches have made the Maldives a hotspot for tourists. This provides an income but is a problem for the fragile natural environment. Students from various universities worked with the local people to make the soil more fertile. How did they go about it?

While all European nations have condemned the Russian invasion of Ukraine, there is one country Russia can still count on: Belarus. Russia even used its territory as a stepping stone for the invasion. We spoke with Matthew Frear, Assistant Professor and expert on contemporary Belarus, to shed light…

In this ‘Educatips’ column, Psychology lecturers share their most important lessons about teaching. This month: Zsuzsika Sjoerds and Sebo Uithol teach students critical thinking with their app 'Family Dinner'. With success: 'The old exams have become too easy.'

How do opinions form and change in large groups of people? That's not just a sociological question, it's a mathematical one. PhD candidate Federico Capannoli studied opinion dynamics. He defended his thesis on November 19.

Peter Scholten is one of the four professors that were officially appointed as Leiden-Delft-Erasmus professor last week. Apart from his appointment at the Erasmus University, he has now also been appointed at FGGA. We asked Scholten five questions about his double appointment and the collaboration between…

‘If we all possessed just an ounce of Cleveringa, then all would be well in the world,’ said Professor Leo Lucassen. In the Cleveringa debate on the line between free speech and threatening speech he called for ‘more guts’. He is not the only one who thinks this is badly needed if the debate at the…

In this time of Covid-19, our way of working has changed. Many staff who used to work on a PC, and who now work from home with a laptop provided by the employer, are now returning to the office and this is having an impact on the university network: the WiFi network in particular will be a bottleneck.…

Leiden researchers Arko Ghosh and Enea Ceolini analysed the usage data of hundreds of mobile phones and discovered that our body has rhythms ranging between 7 and 52 days. These cycles influence how we behave. Their research resulted in an article in npj Digital Medicine journal, a Nature Portfolio…

As of 1 May 2023, JPAO is continuing under the name Leiden Law Academy: a new name for the department that organises and facilitates our faculty’s legal postgraduate education (Juridisch PAO). A new event agency has also been added to the department to help organise the conferences and events of Leiden…

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.

Helping industry to spot dangerous and climate-harming gas leaks faster, cheaper, and more reliably than today’s tools: that's what Leiden University and BigCircle Ventures set out do in a new spin-off company.

Education, Organisation

After months of preparation, the moment of truth had arrived: would the skies above Leiden clear for the promised glitzy planet-and-star show? The people of Leiden turned out in their hundreds to go star-hunting on 25 September. They became more aware than ever of the effects of light pollution.

On 10 April, the Faculty of Archaeology will host the Symposium of Young Archaeologists (SOYA), a fully student organised conference dedicated to the theme Archaeology of the Margins.

At the Faculty of Governance and Global Affairs (FGGA), a great deal of work is being done to develop a future proof approach to artificial intelligence. With the FGGAi programme and the introduction of the new tool LUChat, the faculty is taking an important step towards safe, responsible and innovative…

The Iran war has pushed up fuel prices and raised concerns about a global energy shortage. How well prepared is the Netherlands? We asked two experts.

Alumnus Robert van Asten has been an MP for D66 since 2025. He studied Tax Law at Leiden University from 1997 to 2005. After a career in that field, he switched to local politics and later national politics.

Science thrives on freedom, safety, and stability. But what if these prerequisites are lacking? What if colleagues beyond our borders are threatened, persecuted or forced to flee?

From spiders in the bathroom to mice in the kitchen, we share our homes with far more species than we realise (whether we like it or not). Researchers at Leiden University and the University of Helsinki are collecting stories about how people live alongside these non-human housemates.

Last year, Maaike Swart moved from coordinating the Strategic Plan implementation agenda to joining the Organisational Development team. As Programme Manager, she has been asked by the Executive Board to help shape Leiden University’s strategic development.

Starting on 1 February 2026, Nadia Sonneveld will work one day a week as the faculty's Diversity & Inclusion (D&I) officer. Here, she explains how she came to take on this role and her priorities for the coming months.

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.

Connecting as the magic word. Seeking new collaborations, presenting ourselves to the outside world with an open attitude and showing what we do. During the opening of the academic year on Tuesday afternoon, Dean Jasper Knoester emphasised that change and connection are necessary for the university…

‘All the groceries, but not a fig for young workers’, read a banner during the occupation of Ahold’s headquarters in 1981. ‘For a long time, young workers were not taken seriously, but they managed to put themselves on the map’, says historian Rosa Kösters.

What do bats do at night when they’re not hunting? Using tiny GPS trackers, Leiden researchers discovered that pond bats spend a substantial portion of the night resting – often outdoors. This surprising insight could change the way we protect them.

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.

Anna van ’t Veer is the face of Open Science Community Leiden (OSCL). She calls for an academic system that centres transparency. ‘Culture chance can only be achieved together.’

The ‘Schijf van Vijf’ is the Dutch official dietary guideline, similar to a food pyramid, that shows what a healthy daily diet looks like. The updated version places more emphasis on plant-based eating. But how big is the impact of that shift really? We asked environmental scientist Joran Lammers.

Criminal law can reinforce social inequality. ‘People at the lower end of society are hit harder by criminal law in a range of different ways’, says Professor Marloes van Noorloos. ‘That has to change.’

As the election period approaches, we asked Marie Kolbenstetter, PhD candidate at the Faculty of Archaeology and current member of the University Council, to reflect on her experiences in both the Faculty Council and the University Council. Her insights offer a candid look at what participation means…

By day, Roeland Merks works on mathematical models that describe cells and complex systems. In the evenings, he opens the door to a different world. In his home and art space De Spelonk, contemporary art, experimentation and curiosity come together — right at the intersection with his scientific per…

Conducting legal research instead of having to sit an exam. In the ‘Onderzoeksassistent’ (Research Assistant) course, students and lecturers arrive at new insights together. Clemens Bakker and Bart Krans share their experiences: ‘You approach the law from a different angle.’

Chen Wang has recently finished her doctoral research and will be defending her dissertation on May 13th. For her PhD she researched the lead in artefacts from ancient China, using isotope analysis to match them to their origins. She applied analytical methods to new contexts and used the data from…

The cost-sharing standard (kostendelersnorm) – a regulation affecting recipients of supplementary income for older people, often with a migrant background – may lead to financial and health problems for thousands of people, economists Ernst-Jan de Bruijn and Heike Vethaak have found.

Our institute is in full swing: the annual staffing review, Recognition & Rewards, Open Science and the introduction of GROW. Besides these positive developments, Hanneke Hulst also sees concerns, for example about the new outline agreement. 'I’m hopeful that together we will find smart ways to deal…

The ambitions of the Dutch Recognition & Rewards programme are widely supported by academics at Leiden University. This is one of the findings from the first Culture Barometer survey, carried out in early 2024.