A dissertation covered in hot pink faux fur, antique prints of PhD ceremonies, a pot encrusted with sealing wax: the Hora est! anniversary exhibition at Oude UB takes you to the ritual yet idiosyncratic world of PhD ceremonies.

The ninth issue of the Journal of the LUCAS Graduate Conference has been published. This time the theme is ‘Reinventing Boundaries in Times of Crisis.’

Exploring the largest structures in the universe by looking at the tiniest particles? Lydia Stofanova, PhD candidate at Leiden Observatory and SRON Netherlands Institute for Space Research, dives into this intricate connection. In her PhD research, she explored how elements like oxygen influence the…

Not all sustainable business models have the impact they claim, Leiden researcher Levon Amatuni revealed. Car sharing and phone reuse, for example, have a smaller positive effect than previously thought. Amatuni advises people to ‘pay attention to actual changes in their consumption behaviour rather…

Floske Spieksma will give her inaugural lecture as Professor of Mathematics of Operations Research on 1 September. A discussion about mathematical models, Venezuela, trembling knees, being the only woman, casinos, intuition and above all loving your job.

In a new series we talk to past and present students who were the first in their family to go to university. In this first instalment: novelist and columnist Christiaan Weijts (1976). ‘I always felt as though someone would tap me on my shoulder once they’d discovered my clandestine presence.’

The state, and specifically the idea of nationality, is almost all-determining in social life in the Netherlands. It determines how people identify, how we interact with each other, and what (in)equality in society looks like. However, ultimately, the idea that we can divide people into different nationalities…

Leiden University is celebrating its 450th anniversary in 2025 with a feast for the eyes, ears and spirit. The anniversary year opens with an extra special Dies Natalis on 7 February. Highlights includes an alumni festival, three exhibitions and a canal concert.

On 21 March 2024, the ‘learners’ at Wolfert Bilingual in Rotterdam were not teenagers, but some 180 teachers and teacher educators from around the Netherlands and beyond. Those delegates were bound by a common interest in exploring and engaging with teaching and learning in linguistically and culturally…

No fewer than 55 applications were submitted for a Kiem seed grant, an initiative for developing new interdisciplinary, interfaculty research partnerships and encounters. The draw took place on Monday for the allocation of 22 seed grants. The Executive Board was so impressed with the number of applications…

European procurement policy is full of good intentions like sustainability and innovation, but in practice it often proves impractical. Researcher and procurement officer Alexander Schermerhorn shows in his dissertation 'Public Procurement Distance' why rules clash with reality.

How do you study the growth of microorganisms, the spread of epidemic diseases or the healing of wounds, without actually performing experiments? Daoyi Wang, PhD candidate at the Mathematical Institute, worked on a specific mathematical model that can describe the growth of microorganisms and many other…

Monday 6 February the Faculty of Archaeology had the honour to receive the e Ambassador of the Dominican Republic, H.E. Dr. Juan Bautista Durán. The motive of the visit was to discuss the collaboration between the university and the Dominican Government after the signing of a new Memorandum of Understanding…

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.

On 11 January 2022, the Faculty of Social and Behavioural Sciences opened the new year during a livestreamed reception. Dean Paul Wouters and Executive Director of Studies Kristiaan van der Heijden were the hosts. After several faculty prizes were awarded, our Dean expressed a new year’s resolution…

After two years in the Faculty Board, Student Assessor Zoë van Litsenburg makes room for a successor per September 1, 2022. Let’s meet the new Student Assessor Imen el Idrissi. ‘I want to focus on the communication between the Faculty and the students.’

What do people like Martin Luther King Jr. and Barack Obama have in common? They have mastered the art of public speaking. There are plenty of books on learning this skill, but one aspect of rhetoric remains underexposed in science: how do you make sure the audience remembers your message? Martijn Wackers…

We are proud to share that Hadassah Drukarch, a graduate of our Advanced LL.M. in Law and Digital Technologies (class of 2022-2023), has been honored with the prestigious 2023 Brinkhof Internet Thesis Award for her thesis research that explores the intricate interplay between data protection regulation…

Psychology teacher of the year is Laura Nawijn. The Master Thesis Awards are for Max Kalisvaart and David Hof. Lee Aldar wins the PhD Paper Prize. The PhD Wild Card Prize 'Resilient Scientist' is won by Anastasiia Myronenko, Anne Versluis, Annemarie ten Kate, Ashley Smit, Fabian Wolters, Gita Nadinda,…

The Ecuadorian Pachakutik party is one of the oldest indigenous political movements in Latin America. Despite not being very successful at the polls and hardly having organisational resources at its disposal, Pachakutik is still part of Ecuador’s political landscape. In her dissertation, Political Scientist…

As Professor of Translational Neuro-oncology, Marike Broekman researches how brain tumour treatment can be improved. She will discuss this in her inaugural lecture along with her work as a neurosurgeon and the importance of a positive workplace culture.

Nearly all documents from the 16th and 17th centuries were written by more than one person but attributed to only one author. Professor Nadine Akkerman wants to rectify this oversight in her research on scribes.

What should our education and research look like in 2027? How can we make the university more sustainable and achieve greater impact? The new Strategic Plan will set the direction for the coming years, and the Executive Board wants students and staff to provide as much input as possible. Would you…

In summer 2018 classical archaeologist Hanna Stöger passed away. At that moment she was in the midst of several cutting-edge research projects on the use of space in the Roman city of Ostia. To make sure that her groundbreaking work would not go unpublished, long-time colleagues Hans Kamermans and Bouke…

Author and political scientist Mounir Samuel has spent recent years delving into the many ways that language can exclude people and bring them together.

In February 2015 Lauren Lauret started her PhD project titled 'Meeting practices of the Dutch States General and the continuity of the early modern world of the political (1780-1848)' at the Institute for History, supervised by prof. H. te Velde.

After hard work in the lab, Chemist Tirong Guo has developed a group of materials that provide a stable and efficient foundation for artificial photosynthesis. Will this enable the large-scale production of hydrogen and other useful compounds in the most sustainable way possible? Guo will defend her…

When the tokay gecko loses its tail, a new one grows from resident stem cells at the stump. Each tissue type - muscle, bone, blood vessels and skin - develops from specific stem cells. This discovery by Luthfi Nurhidayat holds potential implications for advancing regenerative medicine in humans. Nurhidayat…

Hans Ulrich Scherer is Professor of Rheumatology, in particular Translational Rheumatology. He wants to build bridges between research and clinical practice and between departments and organisations at home and abroad. Scherer will give his inaugural lecture next Friday. ‘To make progress, we have to…

How can we best treat infectious diseases in people with obesity? Hospital pharmacist and PhD researcher Koen van Rhee studied how obesity affects blood levels of two commonly used medicines. He also developed a method for pharmaceutical companies to test new drugs on this patient group.

Leiden patriot Pieter Vreede fought for greater popular influence. Historian Dirk Alkemade reveals how this pioneer used radical means to shape Dutch democracy.

The cultural linguistic minority group of deaf people who communicate using sign language systematically experiences limited access to fundamental rights. Linguist Joni Oyserman identified this problem and has received a Meijers grant to fund her investigation.

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.

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.

After nearly two years of retirement, Wil Roebroeks looks back on a career that began in a time of freedom and ended in a field that has undergone profound academic and social change. ‘I have been fortunate to always enjoy my work,’ he says. ‘That is also my advice to younger generations: above all,…

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.

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.

Each year on the university’s birthday, children at primary schools in Leiden and The Hague have a lesson from a professor – about children’s rights and robots in surgery, for example. The children get to do activities. And ask questions: ‘How do you become a professor?’

Leiden University Libraries holds an internationally unique collection of unofficial poetry from China. Produced outside the System over the last fifty years or so, this poetry is hugely influential yet hard to find beyond the informal networks through which it travels. To address this paradox, the…

Immunologist Leender Trouw specialises in the complement system, which is part of the immune system. In some diseases drugs help activate or inhibit this system. This is best done ‘in the right place at the right time’ − the title of his inaugural lecture.

Based upon an academic partnership between the Universities of Birmingham in the UK and Leiden in the Netherlands, Universities and Society at the End of Empire and Beyond (UniSoc) uses these two global seats of learning as a starting point to examine the role of universities in the transition from…

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…

How do biological cells join forces to form a structure? In her PhD research, Daphne Nesenberend uses mathematics to show how forces and cooperation between cells create structure – and how simulations and experiments can reinforce each other.

Carlotta Rigotti and Eduard Fosch-Villaronga launch a call for workshop papers on fairness and AI in the labour market at the 16th JSAI International Symposia on AI as part of the Horizon Europe BIAS project.

Lecture

Lecture

Book Market

PhD defence

Workshop

Lecture, Astronomy on Tap