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?

Can we truly assess whether someone finds us attractive? Cognitive psychologist Iliana Samara conducted her PhD project on romantic attraction and discovered that men, in particular, tend to overestimate the interest of their date. She explains why this may be.

On Saturday 15 April, we are holding the fifth edition of the Leiden Science Run! Are you a student or employee at Leiden University, do you work at the Leiden Bio Science Park or do you just want to run for charity? Everyone is welcome to register. Registration is open from now!

The Faculty Board and the Institute of Private Law have agreed to combine the disciplines of child law, international children’s rights and health law into one Department of Child Law and Health Law.

Study information

2024 was a remarkable and eventful year for the Faculty of Governance and Global Affairs. In this year overview, we look back month by month at the key events and developments.

Climate interventions do not lead to more climate action among Dutch, but they do raise awareness about climate change.

A day at the beach, games, a visit to an embassy and a pub crawl. The activities at HOPweek help new students get to know not just The Hague but each other too.

People who move most in the afternoon and evening are less insulin resistant than people who move mainly in the morning or spread throughout the day. This makes them at lower risk of type 2 diabetes. These are the results that researchers from the Leiden University Medical Center (LUMC) have published…

Master

‘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.

In 2021 the Leiden Osteoarchaeology Lab hosted an international workshop on methods to study past physical activity. It aimed to tackle a niche topic with the field: namely the method of studying muscle attachments to bone. Dr Sarah Schrader, one of the organisers of the workshop: ‘You can quantify…

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.

With a self-converted red camper van, biologists and twin brothers Kevin and Marvin Groen go on a nature adventure in Eastern Europe. Together, they search for wild animals, beautiful nature and places to sport. From a long search for a bear in the Slovakian wilderness to the discovery that pelicans…

Leiden scientists and companies receive 1.37 million euros to develop technology for the Einstein Telescope. This underground telescope will measure gravitational waves and must therefore be extremely sensitive. To that end, the consortium conducts research on the damping of vibrations at temperatures…

As a student, university lecturer Berthe Jansen fell under the spell of the Van Manen collection: a collection full of Tibetan writings and objects. A €1.5 million grant now makes it possible to take a really close look at it. 'There is still so much to do and discover.'

Not experiments and lab coats, but computers and artificial intelligence: this year's Nobel Prize in Chemistry went to the inventors of the groundbreaking AI model, AlphaFold. This programme accurately predicts protein structures based on their genetic code—a crucial step in understanding biological…

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 Leiden, I can continue on the path towards my dream: having my own pharmacy,' says Duaa Abbas. She studied pharmaceutics in Syria and worked in a pharmacy there for a year and a half. After having to flee the country, she ended up in the Netherlands. Thanks to the help of the Foundation for Refugee…

Jasper Knoester is the dean of the Faculty of Science. Normally Jasper looks back on a day in his life, but in the last newsletter of the year he does it a little differently....

The Plants & Planets exhibition brings two worlds together in a dazzling mix of science, nature and art. It opens at Old Observatory Leiden and Hortus botanicus on 7 February.

The course Designing Your Life helps students navigate their career pathways. As it turns out, these pathways are full of twists and turns and - as with many journeys - you only make progress once you gather the courage to take the first step.

Permission was recently given for all members of the examining committee and co-supervisors at PhD ceremonies to wear academic dress, even if they’re not full professors. How historic is this change?

What does it sound like when you create your own words in Chichewa? Can you decipher hieroglyphs after just one workshop? Visitors found answers to these and many other questions during the first edition of the Evening of Languages, held in the brand-new Herta Mohr Building. With a sold-out programme,…

Today marks the start of RoRI’s Phase 2. With our international consortium of partners, we’re excited to launch another five years of generating, synthesising and translating ideas and evidence into practical solutions to improve research.

External PhD candidate Liselore Tissen has been appointed ambassador for Leiden City of Science. As the youngest member and the only non-professor in the network, she will be working to raise Leiden's prominence as a city of science.

The results of the 2025 university elections are in. Who will represent us in the participation organs?

On the 30th of December, we received the sad message that our Kenyan colleague, Kennedy Kaminju Kariuki died on December 28, 2023 in the NW hospital in Nairobi at the age of 35 years from organ and heart failure. Kennedy was a PhD candidate at the CML, Leiden University.

The Leiden University Fund and dsm-firmenich are proud to open the call for the Krijn Rietveld Memorial Awards 2025. These annual prizes honour innovative research at the Faculty of Science that contributes to a more sustainable world and has a clear societal impact.

The end of January arrived together with welcome guests from Saxion University of Applied Sciences. As a part of their two-day-long visit to South Holland, almost 100 Saxion archaeology students visited our Faculty.

Debate

Workshop

On 26 November historian Jan Grabowski and sociologist Barbara Engelking will both give the Cleveringa Lecture. They wrote a book about the Holocaust in Poland and were taken to court for defamation.

For seven years she worked at Noordeinde Palace, as the Private Secretary of Queen Máxima. Since the summer of 2021, Gabriella Sancisi (1973) has been the Dutch Ambassador in Slovakia, where the Embassy in Bratislava’s historic city centre is now her base.

Damien van Puyvelde has received funding (over 47.000 euro) from a new Research Council pilot for his study 'Open-source research and the war in Ukraine: intelligence for the people by the people?' We asked the researcher five questions about this project and the opportunities this creates for him.

Thomas Moerland studied medicine and mathematics in Leiden and has a lifelong fascination with the origins and workings of intelligence. He brought all that together in his popular science book Van IQ naar AI (From IQ to AI).

PhD candidate Alex Tutwiler, from the Faculty of Archaeology, has received a grant from Archol, via the P.J.R. Modderman Foundation, to investigate how child labor shaped the bones of Dutch children between the 17th and 19th centuries. Using CT scans, she aims to build a more comprehensive picture of…

As part of the course 'Masterclass at the Court of The Hague', twelve law students spent several days at the court with judges, court lawyers and legal advisers over the course of seven weeks. At the final session on 13 March, they presented their experiences.

Students for Palestine – a group of students from Leiden and The Hague – are holding a panel discussion in the Leiden University in The Hague Wijnhaven building on Tuesday 24 May entitled ‘Silencing Palestine’.

Arts and culture

Writer and columnist Nicolien Mizee will be Leiden University’s new writer in residence from autumn 2023.

Three Leiden students are in the running for the annual ECHO Award. This prize is for students from non-Western backgrounds who are actively engaged in society and promote diversity and inclusion. The three Leiden nominees are Gnimdou Yaovi Assih, Husna Jalal and Sohana Jethnani.

Kool made a conscious choice to work for a non profit organisation. Recently, inspired by the pandemic, she also made a career switch.

The Dutch Research Council (NWO) has awarded Vidi grants to Leiden researchers.

How can our university really become inclusive? This is what students and staff discussed at our annual Diversity & Inclusion symposium. ‘It’s moving from a have-to to a want-to’

Koen Keijzer combined three mathematical models into one unified system capable of making meaningful predictions about how cells form blood vessels. This helps biologists studying the chaotic, leaky blood vessels found in and around tumours.

The touring exhibition 'Presenting with the city' has touched down in the Lipsius Building. In the presentation, students and researchers show how their research has contributed to the city.

Van Es is the successor to Professor Huijgen whose retirement is approaching after nearly 27 years’ professorship. This new appointment is from October 2022, but Van Es has been working at the faculty for some time.

Try to resolve the nitrogen problem, go on a regeneration journey or take part in psychological research: discover this and more at the new and improved 3 October University, ‘WetenschapsWarenMarkt’.