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.’

During his PhD research, mathematician Tyron Lardy worked on a new approach to hypothesis testing. Instead of the traditional p-value, he uses so-called e-values. These turn out to be more flexible – especially when you want to look at your results midway through the study.

Researchers Rowie Stolk and Caelesta Braun’s ‘Litigation in the name of public interest’ Kiem project included an interdisciplinary workshop on the same topic. For starting PhD candidates in particular, this was the chance to build valuable connections.

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…

With a recently published major research project and an exhibition at the Rijksmuseum, the struggle for independence in Indonesia has been thrusted back into the spotlight. Leiden University is devoting attention to this topic as well. History students Sander van der Horst and Melle van Maanen joined…

The newly established Leiden Jewish Studies Association aims to bring together Leiden scholars working on Judaism. The first annual conference will take place in Leiden on 6 and 7 December. Leiden professors and co-organisers of the LJSA Sarah Cramsey and Jürgen Zangenberg talk about their plans.

In our collective journey to bridge social, economic, and cultural inequality in society, we must al play a part, says Wilco van Dijk. Unfortunately, notes Carolien Rieffe, minority groups are often not included in this 'we.' This became a focal point of discussion during the fifth Psychology Connected…

Can we truly connect with each other through video calls? Yes, according to a recent study. Psychologists found our bodies synchronise almost as much in digital conversations as in real life. But this doesn’t mean we should skip in-person meetings altogether, says researcher Fabiola Diana.

Looking to share your academic results or insights with a global audience? Leiden University is a ‘contributing member’ of the international journalism platform The Conversation. In 2024, this resulted in 51 articles, which together were read by more than 667,000 people.

Do you want to promote the interests of students or staff? If you do, put yourself forward as a candidate for the University Council or the Faculty Council between 5 and 8 April. Two council members, PhD candidate Elisabeth Kerr and Law student Mante Kaaks, tell us about their experiences.

Paul Wouters has been involved in open science for 30 years, from his first introduction to a preprint server in 1992 to his recent roles as Dean of the Faculty of Social and Behavioural Sciences and open science ambassador for Academia in Motion. Wouters is now retiring. He is leaving with high hopes…

According to a new study, for half of the world population the answer would be yes. For the other half: maybe? Leiden environmental researcher and head author Nicolas Navarre explains: ‘With improvements to crop yields, reductions in food waste, and changes in consumption patterns, 90% of people could…

They first entered the Academy Building fifty to sixty years ago. On 28 March, they were back for an afternoon: the members of the Dr Pfiffikus debating society of the German Studies programme. Former chair Hans van der Veen looks back on his student days.

What are the origins of the Islamic Empire? And what was daily life like there? Two new Ted Ed animations answer these questions in simple language. Arabists Petra Sijpesteijn and Birte Kristiansen explain what the process of developing the videos was like.

Organs and tissues grown in the lab may in the future be able to cure people with organ failures. Micha Drukker, professor of Stem Cells, Developmental Biology and Technology for Innovative Drug Research, is convinced that the use of stem cells will make this possible. He will deliver his inaugural…

The Sustainable City Lab The Hague will be a hub that connects organisations in The Hague that work on sustainability with the research and teaching at Leiden University. ‘We’re going to set to work on complex sustainability challenges in our own backyard,’ says project leader Eefje Cuppen.

Why do vulnerable groups fail to make use of benefits that they are entitled to? This is what Max ten Velde researched in his Master’s in Management of the Public Sector thesis, which has been nominated for the Netherlands Court of Audit’s thesis prize.

GIFs, memes and videos: anyone who opens a social media platform can be in no doubt that today we live in a visual culture. But the role of images in social communications isn’t new, says Associate Professor Marika Keblusek. She has been awarded a Dutch Research Council (NWO) Open Competition (Large)…

Lecture

Providing and receiving feedback, meeting deadlines, and simultaneously considering your future: how to juggle all these tasks during a PhD project? The new 'PhD Golden Rules' offer advice on how PhD candidates and their supervisors can collaborate productively

Lecture, China Seminar

Film screening and Q&A

Lecture

Participating in discussions as a student, at an administrative level? Jonatan Wirix-Speetjens has done so for the past two years as assessor of the Faculty of Humanities. Ebrar Kaya will take over the position of assessor starting this September. In this interview we look back and ahead at the asse…

At the age of six, Barbara Gravendeel already knew what she wanted to be: a biologist. The seed was planted in the garden of her childhood home: an old orchard surrounded by a large hedge. Since 1 May, she has been the scientific director (prefect) of the Hortus botanicus in Leiden, and all the pieces…

The University Council meeting on 2 June was largely dominated by the demonstration, occupation and policing in The Hague last month.

At least six people are off to a good start of the summer, because they are the recipients of a Meijers grant. For the next few years, these researchers will be able to devote themselves to their PhD research. Let’s meet these new PhD candidates!

Hak, lawyer, international imagery law lecturer, and adjunct associate professor, talks about his PhD research on the use of images in international criminal prosecutions. He was a public prosecutor in Canada for over 30 years and dealt primarily with the prosecution of homicides and other major cri…

How has evolution shaped our curiosity? And how does that curiosity ensure that we now have the technological ability to discover whether we are alone in the universe? This was all covered during the celebration of Leiden University’s 449th Dies Natalis.

Assistant Professor Karlsson Linnér, who works at the Department of Economics, is one of the recipients of a Veni grant. His research on the accuracy of preventive genetic testing is a fine example of the intersection of economic science and law.

‘Crisis and change in European Union foreign policy.’ That is the title of Nikki Ikani’s book that was published last month. We asked the writer five questions about her book. Presentation: 5 & 20 April.

On 8 March, International Women’s Day, equal opportunities for women worldwide, empowerment, and gender equality take centre stage. For years, the role of women in the past has been nearly invisible. Four archaeologists reflect on this inequality of focus, from hunter-gatherers in the palaeolithic to…

The end of the year often means looking back with lists, overviews and stories. This combines nicely in a list of all the books published this year by various political scientists at Leiden University. Indeed, in terms of books, these scholars have certainly not been idle. A unique collection of stories,…

An international team of astronomers has revealed the first 'chemical profile' of an exoplanet's atmosphere. The team, including Leiden astronomer Yamila Miguel and provenda Amy Louca, made the profile using so-called Early Release Science data from the James Webb Space Telescope. The results have been…

‘It was the biggest bunch of flowers I’d ever seen,’ says Emily Strange about the moment she won the Leiden Teaching Prize 2022. The judge praised the conservation biologist for her passion, engaging personality, and the way she motivates her students. On the Dutch Day of the Teacher, we get to know…

Alumna Jolien Schukking has been working as a judge at the European Court of Human Rights in Strasbourg since 2017. In this special role, she provides legal protection at an international level in major cases and concerning various topics. What is her job like and what motivates her?

‘We’re going to see each other again on campus. We’re so pleased, but we do have to say safe.’ Rector Magnificus Hester Bijl is looking ahead to the new academic year, which begins on 6 September. No more 1.5m distancing, but we do have to take responsibility for other people’s safety.

Dr Amanda Henry has secured a prestigious Vici grant for her groundbreaking research project, Hominin FoodWays: Changing Diet and Food Processing Across Climate Frontiers. This five-year study, set to begin in September, aims to unravel the dietary adaptations of Eurasian hominins between 1.8 and 0.9…

The "Care and the Jewish Experience" Conference, organized by the Leiden Jewish Studies Network, hosted many talented young researchers alongside established scholars of different fields. Our guests got a chance to listen to a great presentation titled “Women of Valor: Tradwives and the Sacralization…

Digitale medische technologie kan een belangrijke bijdrage leveren aan betaalbare zorg en het oplossen van het tekort aan zorgpersoneel. Maar hoe weet je of een innovatie daadwerkelijk waarde toevoegt aan het zorgsysteem?

The 2022 Nobel Prize in Literature has been awarded to French writer Annie Ernaux (1940). In an explanation, the Swedish Academy praises Ernaux 'for the courage and clinical acuity with which she uncovers the roots, estrangements and collective restraints of personal memory'.

In a packed lecture hall at Wijnhaven, Nobel Prize winner Paul Krugman succinctly summed up the essence of his argument on Wednesday 17 September: ‘Running a good society is hard’. His lecture held up a mirror to economists and policymakers.

Als nieuwe hoogleraar Ontwikkelingspsychologie pleit Anna van Duijvenvoorde voor meer samenwerking in de wetenschap. Daarom moedigt ze jonge onderzoekers zich aan te melden bij een netwerk. ‘Het biedt je een bredere blik op de wetenschappelijke wereld.’

Public agencies are keen to use new technology such as AI to speed up their primary processes. But the internal organisation is often a major stumbling block. SAILS researcher Friso Selten conducts research at the interface between data science and public administration.

As you know, the faculty is working on a new follow-up strategy with six themes. Each theme now has its own writing team. Every week we speak with one of these teams about their work, and share the highlights. On this page you can find the current article and an overview of all articles on the follow-up…

When internist Christian Blank made his very first discovery, his field of immunotherapy was the underdog of cancer research. Now, over 20 years later, Blank has been appointed Professor By Special Appointment of Internal Medicine for his clinical research into immunotherapy and will give his inaugural…

The new Executive Board of the Institute of Psychology became effective on 1 February 2022. Scientific director Andrea Evers tells us where she gets her energy from.

Frans de Haas started his work at the MI with a clear mandate. Listening and talking are what he will mainly be doing ‘My role is to make sure that everyone feels comfortable in the new situation.’

Leiden students working to solve a sustainability problem at the request of an external party: that is the Sustainability Challenge. During a recent symposium, 28 groups of four to five students unveiled their solutions. The commisioners expressed great enthusiasm.

AI ultrasounds: LUC alumna empowers women in rural Africa