Also in 2024, our colleagues from the Institute of Psychology were visible in the media in various ways. Check out their appearances in Dutch media, from NRC to the Podcast psychologist.

Criminology students Simone Kruijt and Noor Hekker conducted research into cybercrime in Leiden and presented their findings to the regional police and an enthusiastic Mayor Lenferink. The conclusions call for a new approach, said Lenferink.

From science to startup: How do you approach it? Why should you take your research to the market in the first place? And what obstacles will you face? ‘It takes time to find a company that matches your motives.’

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.

Digital diagnostic tools should improve the diagnostic process of patients with musculoskeletal complaints, so that they can receive the right treatment more quickly.

Smiling faces, sweltering heat and a record-breaking donation – that was the Leiden Science Run 2025. On Saturday 21 June, the Leiden Bio Science Park turned bright orange as enthusiastic runners completed 4.5 kilometres to support research for vulnerable children.

For decades, the trade in pocketbooks prescribing how to be a good Muslim flourished in East Africa, but in recent years the number of books in circulation has been declining. University lecturer Annachiara Raia is the recipient of an Impact Explorer grant to revive this tradition, in cooperation with…

Nanoplastics can accumulate in developing hearts, according to a study by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health.

Over the past few years, citizen scientists from the Heritage Quest project have scoured the entire Veluwe and Utrechtse Heuvelrug areas for unknown archaeological heritage. One of the results of this research is that the number of known burial mounds in this area has doubled.

On Tuesday 20 September, David Kilcullen, one of the world’s leading experts on modern warfare, visited Campus The Hague of Leiden University to discuss future developments in special operations and the escalating competition between great powers.

'Echoes of the Silent Roots' by Mark Lindenberg wins the Multimodal Incentive Grant for Alumni of the Metje Postma Awards. His film is a touching auto-ethnographic project about family estrangement and repair. Ieke van Dam won the Excellence in Visual & Multimodal Ethnography Thesis Prize for her film…

Om de weg te vinden letten sommige mensen op de omgeving, anderen onthouden waar ze links of rechts af moeten slaan. Mensen met Niet Aangeboren Hersenletsel (NAH) rapporteren navigatieproblemen. Om opnieuw te leren navigeren heeft neurowetenschapper Milan van der Kuil als revalidatietherapie een serious…

The Graduate School of the Faculty of Humanities conducted a survey of its PhD candidates and their supervisors in spring 2023. What is going well? And what could be improved? The results are now known.

‘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…

A microscope with incredible sharpness that leaves samples unharmed – Guido Stam helped develop one. During his PhD research, he combined light and electrons to study biological samples. ‘We can now measure things that simply weren’t possible before.’

On 25 September, Leiden University Campus The Hague organised a partner day ahead of the European Association for International Education (EAIE) 2023 Conference in Rotterdam. The EAIE partner day took place both in Leiden and The Hague, to make international partners of Leiden University understand…

The doctor suggests opting for a treatment that is better for the environment. How do patients react to this? Doctors and psychologists together discovered that this has little impact on patient confidence in the doctor.

How can the people of Leiden age as well as possible? And what is needed to reduce health disparities? That is the mission of Leiden Healthy Society Center, a new partnership between the Municipality of Leiden, Leiden University and many other partners in the city.

Fossil teeth can preserve remarkable information, much like a biological identity card with data about the lives of individuals tens of thousands of years ago. By analyzing teeth, a new study published in Science Advances reconstructed the life history of four straight-tusked elephants (Palaeoloxodon…

Virtual reality is increasingly being studied in therapeutic contexts. While most studies have focused on adults, children may also stand to benefit. PhD researcher Nina Krupljanin is investigating how young people experience virtual environments – and the findings are encouraging.

Leiden researchers share their work with a global audience through the international journalistic platform The Conversation. What are the benefits? And how does it work? Two researchers talk about their experiences and why colleagues should consider taking the same step.

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.…

What if you could watch a single cell eat in real time? This could answer questions about diseases such as cancer. PhD candidate Yixuan Wang has developed a glowing chemical tool that makes this possible, revealing how living cells take in nutrients.

Students gain practical experience while clients receive a solution to their software needs: the student software company LUdev hits two birds with one stone. ‘Through LUdev, students learn what else is involved in software development besides programming.’ Interested? You can now submit new projects…

Every year, Leiden University hosts the Annie Romein-Verschoor Lecture to mark International Women’s Day. This year, historian Nadia Bouras will speak about academic freedom, class and being a woman in academia. And that is just as relevant to men, says lecturer and organiser Looi van Kessel.

How do fats and enzymes in the brain contribute to multiple sclerosis? In his PhD research, Daan van der Vliet combined chemistry and neuroscience to gain new insights into how brain disorders develop.

He studied Dutch Studies, did Dutch literature research for his internship, and worked at HEMA: Hungarian Márton Biró (26) came to the Netherlands on exchange and decided to stay.

Research

The programme for the interdisciplinary and transdisciplinary event The Knowledge Orchard has been announced. This anniversary event consists of more than 20 sessions aimed at providing you with practical next steps in your interdisciplinary and transdisciplinary work. Register now!

Can politicians say whatever they want? What is the limit and when can the Public Prosecution Service act? PhD candidate Jip Stam examined the limits of free speech in criminal law. 'Intervening too soon can threaten democracy and the rule of law,' he warns.

Unemployed people often need not only a financial safety net but also a stimulus to look for work. PhD candidate Heike Vethaak researched the effects of incentives used by benefit agencies, such as compelling people to widen their job search.

At the end of March, the Voice of the Child conference launched three films on children’s hearings in European family law courts to support judicial training in child-friendly justice. Researchers from Leiden University have developed a training manual to accompany courses in the EU.

Even when a border has officially disappeared, it is still people who decide whether others may cross freely. This was also true for the Polish-German border, where PhD candidate Maryla Klajn spend six months conducting fieldwork.

He brings order to chaos and analyses satellite swarms. During his PhD research, mathematician Oliver Nagy delved into random networks and how they reach equilibrium. Along the way, he also developed a handy tool. This knowledge is valuable for calculations related to communication networks.

Education, Organisation, Research

Well-being economist Rutger Hoekstra has been named as one of the 26 National Champions of the international Frontiers Planet Prize.

Protest is a human right and an important way to hold the authorities to account. But how does the right to protest relate to academic freedom and the right to education?

To understand the universe as a whole, simulations on a cosmic scale are required. An international team of astrophysicists, led by Leiden University, is today making one of the largest cosmological datasets ever available for free. It comprises more than 2.5 petabytes of simulation data.

Maryam Alqassab, an assistant professor at ICLON (Leiden University Graduate School of Teaching), helps train new PhD supervisors and knows how demanding the role can be. When asked to contribute to an online handbook for PhD supervisors, she didn’t hesitate: ‘Everything supervisors do or are involved…

Wie empathisch glimlacht om iemands geluk of fronst om iemands leed, stijgt in aantrekkingskracht. Andersom maakt glimlachen uit leedvermaak iemand niet minder aantrekkelijk. Roujia Feng promoveert 26 mei op onderzoek naar de sociale gevolgen van het uiten van (contra)empathische emoties.

Exam, paper, exam, paper. A familiar, though sometimes little unexciting, routine for students. That is why Film and Literary students Sietske de Haan and Wouter Dijkman decided to write a blog post for the course Interculturality. Their impressive achievement was rewarded with a publication on science…

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

Researchers from Leiden University and Solid Sustainability Research have published a new study in PLOS Climate on the links between Dutch universities and the tobacco industry. Through this work, they aim to contribute to ongoing discussions about ties to the fossil fuel sector.

A clear majority in the UN confirmed that states are obliged to combat climate change. 141 countries voted in favour, 8 against, including the US, Russia and Saudi Arabia. Associate Professor Jason Rudall explains the implications.

For the second time this academic year, Nobel Prize winner Paul Krugman visited The Hague. Addressing a packed lecture theatre in our new Spui building, he spoke to students, staff and professionals about the tension between economic advice and political decision-making.

Reaching the end of the academic year, we look back fondly on the symposia, conferences and events that our faculty hosted in the previous months. One such symposium marked the end of the 5-year long research project ‘Putting life into Late Neolithic houses: investigating domestic craft and subsistence…

As a student, you’re expected to write papers and collaborate. But how do you do that if you’ve never been taught? Thanks to the Grassfields grant, the Science Skills team can scale up its Skill’Ed project and finally provide students with structured support in essential skills.

A sunny call from Fiji, a drenched arrival in Leiden and a day filled with conversations about cancer research, China and inclusion. Such are the turns a day can take — from itchy legs to a well-earned dessert.

Climate action is often framed as urgent and necessary. But on the ground, it can also unsettle lives in unexpected ways. LUC researcher Bernardo Almeida explores in his VENI research, sponsored by NWO, what happens on land rights of vulnerable groups when climate responses meet fragile governance s…

Always losing your way, even in places you’ve been visiting for years? You may have Developmental Topographical Disorientation (DTD). Psychologists from Leiden are investigating this relatively little-known condition at the Lowlands festival. ‘The ideal place to study getting lost.’