Research into depression in children, Leiden alumni in the Dutch House of Representatives and an exceptional achievement by one of our students: what do this topics have in common? They are among our most read stories of 2021.

Elena Maria Rossi is fascinated by black holes. Her appointment as a professor was a long-held wish, partly because there are so few female professors in her field. ‘My appointment is also a milestone for the Leiden Observatory.’

Where does Dutch come from? Newly appointed Professor Alwin Kloekhorst looks for an answer to that question in millennia-old languages from Anatolia, the Asian part of present-day Turkey. 'A new interpretation in one of the Anatolian languages can have consequences for dozens of other languages.'

Maarten Schrama (CML) has won the Teacher of the Year Award 2021. During a lunch with fellow nominees, Schrama received a cheque worth 5,000 euros from student assessor Joost Barendse to spend on educational activities.

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’

The Faculty of Archaeology is running a funding scheme to assist small-scale projects that contribute to diversifying archaeological practice in all domains, including classrooms, laboratories, museums, and the field. We discuss the grant with two representatives from the Diversity Committee: Tuna Kalaycı…

We always need to find a new way to tell the story of 3 October, believes Ariadne Schmidt. The professor by special appointment of History of Urban Culture will be working with students to involve more people in the history of that day. ‘I’m too much of a historian to say: we can just let it be a “fun…

How wonderful would it be to use art, technology and science in Ukraine's recovery? Young Ukrainians currently residing in Poland get guidance to develop creative programmes and activities that can later be implemented. Leiden astronomers Pedro Russo and Kateryna Frantseva cooperate in the project.

We will mark the start of Christmas together in the Great Auditorium on 22 December, with the Sempre Crescendo student music company singing Christmas carols for our students and staff. Enjoy atmospheric organ music, sing-along carols and mulled wine afterwards. ‘It’ll be a gem of an event,’ says Beadle…

Museums have long focused on power, wealth and a few famous figures. But that is changing, says Valika Smeulders, head of the history department at the Rijksmuseum. What this change comprises and how it has come about is the subject of her keynote speech at the D&I Symposium on 11 January.

ICT, Security

Mirjam de Baar has been Vice-Dean of the Faculty of Humanities and portfolio holder for education of master’s and research master’s programmes since 2016. As a result of her reappointment, she will continue to fulfil this role for an additional four years. ‘Being asked by the Vice-Rector and the Dean…

Finance, Research

No less than 33 project received a Leiden Kiem grant in 2023. How did they fare? Olga Bogolyubova shares experiences from her project ‘Interdisciplinary Approaches to the Study of Safety and Danger in the Digital World’.

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

On January 1st Jasper Knoester started as our new dean. How is he finding it? What kinds of things is he doing and what does his day look like? In each newsletter, Jasper gives a peek into his life as dean.

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…

Research

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.

Today, anyone wanting a new look for their living room watches a home decorating programme or buys an interior design magazine. In the eighteenth century, people went to an upholstry specialist, who would provide you with new wall coverings, curtains and much-needed accessories. PhD candidate Aagje…

We have to do all we can to stop climate change. But: the Earth is more resilient than we thought. That is the surprising conclusion of an international team of ecologists and mathematicians, which included Leiden mathematician Arjen Doelman. The team discovered that ecosystems can still avoid tipping…

A month’s break from your studies, ten days of intensive rehearsals and then a concert tour: the Netherlands Student Orchestra is based on a simple formula. Leiden student Daphne Biron tells us about the orchestra and the concert in Leiden on 20 February.

The new Student Support Team visits university buildings where upsetting incidents have happened, offering support to students in need.

As of this month, Kim Bonger has been appointed Professor of Chemical Biology. As a first-generation academic, she’s especially grateful. ‘I wasn’t exactly a top student at school. I never could’ve imagined this.’

If there's one thing that students should get from their teachers, it’s good feedback, says assistant professor Andrei Poama. ‘But we need to do it in a more fair way.’ Together with a team of experts on educational sciences, he is working on a project that develops GenAI applications that teachers…

Complex research with a generous sprinkling of jargon: PhD defences can be difficult for non-experts to follow. In the compulsory new lay talk, PhD candidates begin by explaining their dissertation in words of one syllable. And it’s not just the PhD’s family and friends who appreciate this.

Mining for natural resources harms the environment. But we desperately need them, for both the development of countries and the transition to a sustainable energy system. Professor of Sustainable Resource Use Ester van der Voet researches how we can reduce the environmental impact of natural resources…

Why do violent incidents occur in prisons? And how do staff respond? Assistant Professor Esther van Ginneken will use a grant from the NWO Vidi Talent Programme to conduct research into these and other questions. She intends to make use of virtual reality.

Directing soil life and thereby influencing what grows above ground: that is the expertise of Leiden biologist Martijn Bezemer and his colleague Wim van der Putten (NIOO-KNAW). Their research on soil transplants has been nominated for the Huibregtsen Prize 2023. This prize goes to innovative research…

The number of insect species is plummeting, which is why the University is creating a more biodiverse environment around its buildings. Annetje Ottow, President of the Executive Board, planted the first bee-friendly plants in the front garden of Oude UB on 20 September.

It’s time to announce a major development within the teaching and education we provide at our faculty: the launch of the Atelier pilot! Atelier will be a new teaching format within the bachelor’s programme in Law. The pilot will be conducted in the 2024-2025 academic year during the third block of the…

A suitcase covered with stickers from various universities, containing a quantum light source. Since April 2024, this suitcase has been visiting scientists in Europe researching single photons: the smallest possible quantity of light. The suitcase, also called ‘Q-torch’, travels from lab to lab like…

Leiden University has a new professor. On 1 June Nadine Akkerman became Professor of Early Modern Literature and Culture, a position she feels is designed to help her help others.

It is with the greatest sadness that we have learned of the unexpected passing of Emma de Rijke. Emma was a student in the MA Asian Studies, having finished the BA China Studies just before she enrolled in the MA program in February 2024.

Climate and human rights will again become major issues on the world stage by the end of 2023. The new series of lunch seminars by the interdisciplinary research programme Global Transformations and Governance Challenges (GTGC) seamlessly tie into these events. All Leiden researchers and students are…

To get important topics such as climate and human rights higher on the agenda of listed companies, stakeholders other than shareholders and employees should officially be given more say. This is what Professor of Business Law Harold Koster said in his inaugural lecture on 18 March. He proposes introducing…

Developing a digital guest lecture for high school students. Jan Sleutels was immediately enthusiastic when he got asked to do this. The end result? Together with his colleague Maarten Lamers, he created the guest lecture 'Thinking about Artificial Intelligence'.

What is the mission of our Faculty? How do we view diversity and inclusion? And how do we think about the growth of our Faculty in the broadest sense of the word? These themes were the focus of the first brainstorming session for the new faculty strategy. Some 65 staff and students from all levels of…

‘Wadden Sea Sounds’ is the name of a new project launched by the Waddenvereniging in collaboration with researchers from Leiden University and the University of Groningen. The aim is to find out how underwater noise affects marine life in the Wadden Sea.

The Digital Lab is open! This new lab is meant for staff and students who are looking for a place to work, experiment, and find support for their digital research. There’ll be a kickoff event, with live digital demos and a roundtable on “the Humanities in a Digital World” on Friday October 29 in the…

On January 1st Jasper Knoester started as our new dean. How is he doing? What exactly does he do? And what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

The Institute of Biology Leiden (IBL) has appointed two new directors. Maribel Adame Valero will become the new Director of Operations on 1 August, and Hubertus Irth will start as the new Scientific Director on 1 September. This completes the new collegial management for IBL, following the earlier appointment…

Mini organs-on-chips allow us to study how diseases develop and how drugs work. Although the technology is not new, it is becoming increasingly advanced. PhD candidate Bart Kramer hopes it will eliminate animal testing in the future.

At the end of May, the Leiden English Language and Culture Programme, formerly known as the Department of English Language and Literature, celebrated its 75th anniversary (starting from the appointment of the first professor of English Studies). Over 220 alumni, staff present and past, and students…

Last year, investments were made in new research facilities within the Faculty of Humanities. It is now time for the next step: improving research infrastructure, funded by a COIn grant.

In the coming academic year things will hopefully gradually return to normal, so that teaching can again take place as far as possible on campus. Even so, hybrid teaching is here to stay. We talk to Niels van de Ven, former lecturer at Leiden Law School and now Education Manager at the Centre for Innovation…

The International Studies and Urban studies study programmes have moved to a new address. After five years in the Wijnhaven building they have moved to the Schouwburgstraat. ‘It is nice to have our own place in The Hague as the Faculty of Humanities.’

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…

Can the academic year be structured in such a way to give students, lecturers and researchers a bit more breathing space? To find out, Leiden University is taking part in ‘smarter academic year’ pilots.

A cover over your drink in the pub, deodorant as pepper spray or headphones to avoid hearing catcalling: many women use everyday objects to feel safer in public spaces. Student Anne van der Linden made an online exhibition about this.