The University believes it is important that you are happy in your work. This is why we gauge your opinion with the personnel monitor. We use the results to make improvements that enhance job satisfaction.

From a queer art exhibition to a podcast about people with disabilities, the JEDI Fund this year again honored several projects that contribute to diversity and inclusion.

From time to time, manuscripts that have remained hidden for centuries turn up in library collections and archives. In the archives of the 17th-century Bibliotheca Thysiana at the Rapenburg in Leiden, kept in the Leiden University Library, Rotterdam researcher Erik-Jan Bos discovered a hitherto unknown…

Isabelle Duyvesteyn, Professor of International Studies and Global History at the Institute of History and member of the advisory board of Leiden University’s Centre for International Relations (LUCIR) is widely regarded as an expert on civil wars and conflicts. Her new book, Rebels and Conflict Escalation,…

Photographing fluorescent flowers, searching for frogs and shooting tropical cucumbers out of trees: this is only a small part of the course Tropical Biodiversity and Field Methods. For this class, master’s students biology traveled to Malaysian Borneo for two weeks to gain experience in fieldwork.…

The LUCAS Dissertation Prize has been awarded to Dr. Renske Janssen for her PhD thesis Religio Illicita? Roman Legal Interactions with Early Christianity in Context.

Lecture, Tuesday Talks: Science Insights

The fastest chemical reaction in the universe takes place inside our eyes.

Our annual strategic conference was held this year on 15 and 16 June in Soesterberg, and has now become a tradition at our university.

The moving boxes are unpacked, the floors are gleaming, and the workshop rooms look fresh and inviting. On Monday 16 June, the renovated Lorentz Center will be officially reopened by dean Jasper Knoester and rector Hester Bijl. Director Roeland Merks: ‘There’s a new energy running through our centre…

A European team of astronomers has discovered the largest stellar black hole in the Milky Way. It is more than thirty times as massive as our sun and is located in the constellation of Aquila, about two thousand light-years from Earth. The astronomers stumbled upon the black hole by chance while preparing…

Inviting members of the public to help monitor wildlife, photograph plants or conduct samplings. These are some of the many examples of Citizen Science. It is increasingly recognized as effective and impactful for collecting data, but also for engaging the public in scientific research. In Nature reviews…

It’s starting to become a real Dies Natalis tradition: on 8 February professors from Leiden University teach a class at primary schools in the region. This introduces children to academia and teaches them more about conducting research. ‘Had you expected me to be a woman?’

Bacteria whirl around in the mouths of most people, forming dental plaques and sometimes causing nasty gum infections. Treponema denticola might be a dangerous pathogen, but not much is known about this bacterium. It was up to Ariane Briegel and her research group to change that.

Dutch artist and visionary David Humbert de Superville (1770-1849) was the founder and first director of the Print Room at Leiden University. An exhibition and symposium are now being organised in his honour. What makes him so remarkable?

On the brand-new Leiden Teachers Blog, Leiden teachers share their experiences with educational innovation. They show colleagues, students, and everyone else who is interested the different facets of creating university education.

In a new article, four PhD candidates call for methodology to be explicitly stated in tax studies and practice. ‘Our hope is that explicit methodology will become more prevalent and even standard in the future.’

It is with great sadness that we learned that our colleague Leo Waaijers, guest employee at our institute, passed away on August 1 after a short illness.

With the holidays just around the corner in this dark month of December, when we light candles as a symbol of warmth and hope, we would like to take a moment to reflect on this past year. We have accomplished a great deal together but the year has been difficult at times.

Yes, the new Humanities Campus is going to be smaller in size. But no, that doesn’t mean there’ll be any shortage of space. The available area and a creative design will give us all the room we need. So what will such a design look like? Take a look for yourself in the Arsenaal, the Pieter de la Court…

Fewer CO2 emissions, less airborne viral transmission, and a more sustainable form of food production: seven consortia of researchers and societal partners will put a budget of 32 million euros towards developing technological innovations. Important Leiden research on circular electronics by Prof. Dr.…

As eLaw Postdoc researcher exploring the multiple intersections between law, gender, and technology, Carlotta Rigotti has recently participated in a groundbreaking international workshop focused on combatting image-based sexual abuse (IBSA) at the CAIS premises in Bochum, Germany.

First inaugurated in 2018, the CADS PhD Conference aims to provide young anthropologists in Leiden University and beyond an opportunity to meet each other, present their work, and engage in meaningful discussion. This year, the CADS PhD Conference will be a platform for sharing ideas and insights about…

What is the impact of religion and its discourse on the lives of queer people in countries where LGBTQIA+ individuals are not accepted? University Lecturer Eduardo Alves Vieira wants to know just that. With an NWO-grant, he will take a closer look at the inclusive religion movement in Brazil.

Much of the work of Serge Fehr, Professor of Quantum Information Theory, is abstract and theoretical and comprehensible to very few people. But his work helps make the digital world safer so that in future our internet banking will still be problem free, for instance. He will explain more in his inaugural…

As part of the final project for the Islam in South and Southeast Asia course (taught by Dr Verena Meyer), students were tasked with creating podcasts that delve into significant cultural and historical topics related to the region. Two students, Roma Bhiekhemsing and Shaneeva Bean, have chosen to share…

Ominous witches, gruesome monsters, and hideous freaks: from Saturday 15 June, Kunsthal Rotterdam will be putting the spotlight on the shady depths of human imagination in the exhibition Hello darkness, my old friend. Seventy works on paper from the collection of the Leiden University Libraries confront…

Professor Peter Bisschop has been awarded an ERC Advanced Grant. He will invest the 2.5 million euros in his research into puranas: ancient texts, commonly written in Sanskrit, that are up to fifteen hundred years old.

Organisation

Shiru Lim has been working at the Institute of History as an assistant professor since August 1, 2023. Below she introduces herself.

Before researchers can develop targeted drugs, they need to know exactly how a disease works. Biochemist Bert Beerkens created molecules that allow them to find out. He used caffeine as the basis for new molecules that enable research into certain receptor proteins on cells.

Four Leiden researchers have been awarded Proof of Concept grants by the ERC. These grants, each worth 150,000 euros, help researchers translate the findings of previous ERC projects into innovative practical applications.

The Greek alphabet dates back to the eighth century BC. At least, that is what science assumed for a long time. Associate Professor Willemijn Waal is going to use a Vici grant to investigate whether the Greek alphabet may be centuries older, and was initially written only on perishable materials.

With an off-the-charts number of downloads, outstanding media coverage, and more than 300 tweets, a small team behind the Scientific Reports article led by a Leiden PhD Igor Djakovic is living every researcher’s dream.

The discovery of a planet far too large for its sun defies models about the formation of solar systems and planets. In a paper in Science, researchers, including Yamila Miguel of Leiden Observatory, report the discovery of a planet more than 13 times heavier than Earth orbiting the ultracool dwarf star…

An international team of astronomers, including astronomers from Leiden University, has found the missing link in the path taken by water through star-forming clouds and young stars to comets and planets. They did so with the help of the ALMA observatory in Chile. The researchers published their findings…

It is late June, and on a windy meadow north of Leiden known as the Vrouw Vennepolder a group of archaeology students just hit the last ice age. Considering this involves manually pushing a ground core to a depth of 10 meters, this is no small feat. Even so, the taking of ground samples in this, at…

We are pleased to announce a groundbreaking research study delving into crucial aspects of safety and responsibility in the domain of personal care robots, explicitly focusing on robotic lower-limb exoskeletons.

AI is playing an increasingly important role in our lives, but that is not without danger. Eduard Fosch-Villaronga at eLaw warns that AI does not pay enough attention to the LGBTQ community.

What to do when more than forty boxes, filled to the brink with archival materials from the study of religion ranging all the way from the 1960’s up until contemporary times, ‘surfaces’? This may not be a typical question that you ask yourself on an average weekday. However, it is a question that must…

For her internship at the Textile Museum, master's student Evi van Stiphout researched the Surinamese cloths of the Leiden Cotton Company. Leiden and Suriname have a closer relationship than many people think. ‘Not much is written about Suriname’.

He makes music, goes to the athletics track twice a week and, according to his supervisor, has done his research so well that it would not be out of place in a PhD research. Physics and astronomy student Hidde Stoffels' undergraduate research on the properties of dark matter is of such high quality…

To truly help citizens, professionals sometimes need to dare to deviate from the rules. That was the main message during the meeting on ‘rebellious professionals’ in healthcare and well-being, held on 15 October in The Hague.

The Pieter de la Court building will be given a new name. This was decided by the university's Executive Board in the summer of 2025, at the request of the FSW Faculty Board. The name will no longer be used for our faculty's main building or the student medal.

To measure the level of user satisfaction of the renovated Arsenaal building, a survey has been conducted amongst staff members. The results are presented below.

Botanisch filosoof Norbert Peeters vertelt over hoe mensen omgaan met planten in het algemeen, en met onkruid in het bijzonder.

Na een grote verbouwing is het souterrain van het Pieter de la Courtgebouw bijna onherkenbaar veranderd. Donkere, verouderde ruimtes maakten plaats voor frisse, lichte onderwijszalen en ruime, moderne labruimtes met state-of-the-art faciliteiten. Donderdag 12 juni was de officiële opening.

Smart drug carriers, uneven cosmic expansion, and solar energy storage in molecules. These are the topics of three newly awarded NWO-XS grants to researchers at the Faculty of Science.

An online ceremony, no party and then no signature in the Sweat Room: during the pandemic, many graduation traditions could not take place. Now anyone who graduated in corona time may still come and sign their name.

Sunshine, ice cream, coffee, and plenty of good vibes. Once again, students and staff made the most of the We are Science Week. Relive some of the highlights with our photo report!