On 30 April, Prime Minister Mark Rutte was presented with the manifesto of the NWO Youth Challenge, which contains advice for policymakers, scientists and administrators on the empowerment of youth in the time of coronavirus. The manifesto is based on research questions submitted to the science community…

Students from Leiden University have launched The Nuance Project, a platform for respectful, open-minded dialogue on divisive issues. The aim is to foster connection and understanding among people even if their viewpoints differ.

A patent for what may be a potent, new antibiotic. And: a clear overview of promising approaches to overcome a crucial resistance tactic employed by bacteria. In the span of one week, two researchers from Leiden are receiving their PhDs, each of them on an important step in the battle against bacteria…

How should the municipality of Eindhoven organise the reception of asylum seekers? What is the best electoral system for the Dutch Parliament? Governments regularly ask citizens for their opinions. Computer scientist Michiel van der Meer has improved the method used for citizen assemblies. He will defend…

Wat kun je als burger doen wanneer de overheid je persoonsgegevens gebruikt en daarmee besluiten neemt waar je het niet mee eens bent? Fatma Çapkurt promoveerde op een onderzoek hiernaar. Burgers moeten verwerking van hun gegevens beter kunnen beoordelen.

What exactly does it mean when your doctor says you have a ‘good chance’ of survival? Leiden researchers discovered that there is a big difference in how people interpret such probability phrases. And that can be a problem, warns lead researcher Sanne Willems in her blog post.

These days we do not just have wars and civil wars – more of a global civil war, says Bashir Azizi, who received a PhD in April 2020 for his thesis on global citizenship. The second edition of his thesis was recently published.

Professor Ton Liefaard has worked to improve the position of children since his academic career began.

Not all students spend the holiday season with family or friends. That is why the university is organising the fifth edition of the Winter Weeks this year. The goal remains unchanged: to offer both international and Dutch students who stay in Leiden or The Hague during the Christmas break a warm and…

An evolutionary 'trap' that has haunted crested and marbled newts for 25 million years: Leiden researchers have uncovered a mysterious DNA error that should not be able to arise – yet persists all the same. How is that possible? PhD candidate James France found new clues.

How do we at Humanities ensure a better work balance and more job satisfaction? A group of colleagues considered that question on Tuesday afternoon, 31 January. Two members of Academia in Motion also joined in the discussion.

How should we address our colonial heritage? And how digital and accessible are our collections? Outgoing State Secretary Fleur Gräper spoke with researchers and heritage specialists about this on 25 January.

Communication is the transmission of information. All day long we are busy explaining and making things clear to each other, but exactly how we do that varies from language to language. Associate Professor Jenneke van der Wal delved into African Bantu languages for a Vidi project.

Research

Afghans who came to the Netherlands in a hurry, refugees who were used as leverage by Belarus and boat refugees who tried to reach Europe in an increasingly desperate manner: the newspapers were once again filled with news about migrants. Today, on International Migrants Day, we talk to professor Marlou…

Skåne University Hospital, Lund University and Leiden University Medical Center will work together to expand their research, teaching and development relating to Advanced Therapy Medicinal Products. That is the essence of a Memorandum of Understanding signed at SciLifeLab near Stockholm on Wednesday…

Nano-plastics cause malformations. Meiru Wang, researcher at the Institute of Biology Leiden, looked at the extreme effects polystyrene nano-particles could have, using chicken embryos as a model. Her results were quite alarming. Especially as nano-particles are everywhere. In the air, floating through…

Hordes of photographers, students trying to catch a glimpse and take selfies, and cheering people at the entrance to Wijnhaven. Canadian Prime Minister Justin Trudeau and Prime Minister Mark Rutte were received like true pop stars, in the late afternoon at Leiden University’s Campus The Hague.

With the number of externally funded research projects at the university on the rise and funding bodies setting ever-stricter requirements, it can be challenging to keep track of budgets, deadlines and reporting. The new Vidatum tool makes managing external projects easier for researchers and research…

We all know smoking is bad for our health. But we might not have known that the cigarette filters that litter our streets also impact the environment. Esther Kentin is a lecturer at Leiden Law School. She is raising awareness of the University’s cigarette butt problem.

How do digital technologies affect adolescent mental health and resilience? How do we foster a secure online environment? How should we deal with increasing rates of online crimes among adolescents? During the mini-symposium ‘The effect of the online world on adolescents’, presented by the interdisciplinary…

The number of Waldorf schools in the Netherlands is growing rapidly. Over the past ten years, student enrolment has increased by more than 40 percent. Thijs Jan van Schie not only teaches at such a school, he has also conducted research on this type of education — not in the Netherlands, but in the…

Leiden ecotoxicologist Martina Vijver helped shake a European policy proposal in a single weekend. Not with a new experiment, but with years of research on pesticides – and an urgent letter that reached Brussels.

When hobby divers revisited a nearly 400-year-old shipwreck off the coast of Texel, they discovered more than 1,000 objects in wooden boxes. Eight years later, postdoc Janet Dickinson used recovered books to compile a profile of the mysterious owner.

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.

In the late 19th century, the Dutch government introduced a tax system in the Dutch East Indies, with the intention of transforming the colony into a modern state. PhD student Maarten Manse wrote his thesis on this development and discovered how grandiloquent colonial ideals became bogged down in daily…

A particular group of counter protesters have been sighted at numerous Black Lives Matter protests that were held in the United States. An extreme right movement known for its characteristic Hawaii Shirts and heavy weaponry that calls itself the Boogaloo Boys. Which is cause for concern among the American…

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.

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…

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.

"Climate citizenship” explores how adapting environments to climate change can change the way people interact with each other and with government. It focuses on nature-based or 'green' climate infrastructure projects that make use of natural entities or dynamics. With an ERC grant, anthropologist Andrew…

In the ‘Educatips’ column, Psychology lecturers share their most important insights about teaching. This month, Joanne Mouthaan and Anna Hudson talk about an AI chatbot they are developing with which students can practise their suicide prevention skills. ‘It’s not really feasible to use actual people,…

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

Registering your hypothesis and analysis plan online before starting your study – why should researchers bother? Henk van Steenbergen, a researcher in cognitive psychology, decided to give it a try. 'I used it as an exercise in open science.'

In the week of 15 November, the Academic Directors and two members of the Faculty Council also participated in a so-called Duplo session, after the Faculty Board did so, led by Elisa Meijer, advisor housing of the Humanities Campus project. During the session, alternatives for the Humanities Campus…

‘Silence in the corridor please’ are not the words you expect to hear on an open day attended by 5,000 students. From 12 studios in Leiden and The Hague, presentations are given during the Online Master’s Open Days telling students all about their future master’s programme.

The financial sector, supply chains and ecology. Not necessarily topics you might associate with physics, yet it’s exactly what new professor Diego Garlaschelli is dealing with. The common thread? Complex networks.

An international team of astronomers led by Ardjan Sturm of the Observatory has made the first two-dimensional inventory of ice in a planet-forming disk of dust and gas surrounding a young star. The researches, including Melissa McClure, used the James Webb Space Telescope and publish their findings…

An ICE agent fatally shot Renee Good in Minneapolis on 7 January, igniting nationwide fury over escalating federal violence. Could such an incident occur in the Netherlands?

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.

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

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.’

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.

She walked into the Sylvius building as a wide-eyed twenty-something in 1984, and next year, she’ll be leaving us as a soon-to-be retiree in her sixties. Ine Tijdens (66) reflects on more than four decades at LACDR. ‘One year, I got a little whip for Sinterklaas. That says something about my persona…

Have faith in others, embrace conflict and differences, take your time: these are just a few of the tips that emerged during a Leiden symposium on interdisciplinary collaboration on 1 February. A second session will take place on Thursday 14 March.

PhD candidate Agnes van Steen researched the history of the Leiden women’s rights movement (1860-1990) and found that the university produced many feminists.

Yousef Sweid was called a ‘stinking Arab’ in the sandpit at his Jewish kindergarten in Haifa. In a packed lecture hall, the Palestinian-Israeli actor performed a powerful excerpt from his show ‘Between the River and the Sea’.

An introduction to Japanese language and culture: pupils in the enrichment classes at De Morskring primary school in Leiden and De Vink primary school in Voorschoten get this opportunity. Pupils in years 6, 7 and 8 who could do with more of a challenge follow these classes.

The new VIS grant has been awarded to four projects from the Faculty of Humanities. In a Virtual International Cooperation Project (VIS), Dutch and foreign students work together remotely on a project that links local issues to an international perspective.

The World Food Programme, Philips, the European Space Agency. An overwhelming list of organisations that Sarita Koendjbiharie, as founder of the PRINS consultancy programme of International Studies, has managed to recruit. ‘We keep reaching new highs and insights together with our students and organ…