A pandemic of lianas is sweeping through tropical forests, reducing their ability to store carbon and limiting their role in mitigating climate change. Two recent studies from Leiden University highlight the issue. ‘We now understand why lianas are visible in satellite imagery.’

That Tessa Schiethart finished her bachelor's degree in International Studies with a thesis on Indonesian women's reasons for veiling was a coincidence. Or so she thought. Six years later, her book Seeing and Being Seen, in which she writes about her life with a wine stain and vision loss, is in the…

After a detour via the ANWB in Munich, alumna Manon Schouten works as a history teacher at two schools. ‘It's so rewarding to see the material resonate with students.’

Last week, third-year students of the Bachelor Security Studies concluded a seven-week intensive programme with a two-day conference. They presented their findings in front of a full lecture hall and in the presence of the client for whom they worked on a complex security issue. Tutor Saskia Postema:…

An international team of astronomers, including Leiden PhD student Elia Pizzati, has observed several ancient quasars that, surprisingly, appear to be floating alone in the early universe (less than a billion years after the Big Bang). Until now, astronomers, based on models, assumed that quasars are…

December 2020 saw the crowning publication of the Landscapes of Survival project by Professor Peter Akkermans. Its main topic is human habitation in marginal environments like the deserts of the Arabian Peninsula. ‘The people living here built their own society, and they would not have viewed it as…

What do you do when you’re suddenly given access to a whole lot of data but don’t know how to organise and analyse it? Maritime historians in the Faculty of Humanities joined forces with vocational college (MBO) students to build a database. ‘We’re so compatible with each other.’

Anthropologist Anouk de Koning about the tottering welfare state and the dilemmas of a government operating as a nearby, friendly partner.

More severe droughts that will also last longer: this will primarily be a problem for irrigated croplands, as discovered by environmental scientist Qi Chen. Mixed forests with a variety of plant species will be the least vulnerable. Chen compared the effects of drought on different ecosystems across…

In the Netherlands, people probably grew up with De Fabeltjeskrant (a children’s show, ed.), but in France an introduction to fables plays a much more important role in a child's upbringing. PhD candidate Céline Zaepffel studied the role of fables in French education and teaching methods. It turns out…

Marlou Schrover played an important role in the study of migration history for many years. Now she is bidding farewell.

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.

For the Bachelor Honours Class 'Mass Extinction', students produced podcasts about the past, the present and the future of mass extinctions. What exactly is lost when a species goes extinct? What are the practical consequences? But also: does humanity have the moral duty to protect other species?

The US-Israeli strikes on Iran have been welcomed by critics of the regime but have also prompted intense concern. They’ve triggered a dangerous domino effect across the region and beyond. Leiden experts share their insights on the potential consequences.

Stephan Raaijmakers has been Professor of Communicative AI since 1 May. Prior to this, he had held this position for five years as professor by special appointment. How has his approach to AI changed in that time?

Welcome to Leiden University

Social

You might be wondering what the reconstruction of the former V&D store at Spui in The Hague looks like now. If so, you can come and find out for yourself. On Saturday 8 June 2024, from 10.00 – 13.00 hrs., the building site of the new Campus The Hague Leiden University Building will be open to the pu…

Male scientists owe their position to their brilliance, women to their hard work. Or do they? The Equalista app helps staff and students at the Faculty of Humanities to become aware of gender equality.

How can we slow the progression of atherosclerosis? Researcher Amanda Foks believes the answer may be switching off ageing immune cells. This could lead to an entirely new treatment for heart attacks and strokes. She has been awarded an Established Investigator Dekker Grant by the Dutch Heart Founda…

Emeritus professor Willem Otterspeer received a royal honour from mayor Henri Lenferink on Tuesday 20 September. The university historian was appointed Knight of the Order of Orange-Nassau.

Education, Research

Leiden University College The Hague received the 'Top rated Programme' seal from the Keuzegids Universiteiten 2022 (Dutch University Guide). It is the ninth consecutive time the Liberal Arts & Sciences programme focusing on Global Challenges is awarded the honorary seal.

Two years ago, Russian tanks crossed the border into Ukraine. The war seems to be getting closer and closer. Is it time to dust off and reintroduce military service? Our students have their say.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

In the online panel discussion of ESOF 2022 ‘The effect of the online world on adolescents’, together with Amy Orben, Professor Eveline Crone, Sterre van Riel, Professor Anne-Laura van Harmelen and Professor Jan Sleutels, Professor Ton Liefaard shared his research on adolescents and the online world…

Many humanities graduates find work in digital heritage, but a good pedagogical model to match education is lacking. University lecturers Karin de Wild and Peter Verhaar want to change this with a Comenius grant.

What lessons can public leaders draw from crisis management? In the second Leiden Leadership Lunch in our series on ‘Leadership opportunities in times of crisis’ Dr. Jaap van Lakerveld and Dr. Jeroen Wolbers – experts in the field of crisis management – shared their insights from the recently published…

On 21 April 2022, Cleveringa Professor Jan Grabowski visited Leiden. The theme of his visit was the role of law and historiography in shaping collective memories.

It is not always easy for students to apply their academic knowledge in practice and get acquainted with the work environment of professional public organisations. Public organisations may struggle in turn to successfully address leadership challenges in their current way of working.

Large pairs of planets thought to orbit each other without a star, do not exist after all. That conclude Leiden researchers, after extensive computer modelling and simulations. What the double dots seen by the James Webb Space Telescope are, remains a mystery.

The Public Prosecutor's Office (OM) and the Netherlands Forensic Institute (NFI) want to use private DNA databases for genealogical research in criminal investigations. The method could be used in serious criminal cases that have stalled and it is already being used in investigations abroad. Whether…

LUMC and Leiden University will start the new two-year online master's program in Transfusion Medicine and Cellular and Tissue Therapies from October 2023.

It is almost two and a half years since Russia invaded Ukraine, but the conflict between the two countries has been going on for much longer. Central to it is the question of what it means to be Ukrainian. Guest researcher Viktoriia Ryhovanova teaches a course on the subject. Last academic year, the…

On 14 September the construction of the Spui university building officially began.

Words originally intended to indicate space, such as ‘out’, are also regularly used to indicate cause and effect. Why does this happen? And how does it work in other languages? PhD candidate Camil Staps decided to find out.

How do you write a report, how do you use an agenda during a meeting and how do you pitch your research proposal to an expert panel? As a student you have to write, collaborate and present. But how do you do that? The e-learning skills platform is there to help with the skills you need during your s…

With the passing of Stephen Haigh on 9 September 2022, Leiden University's Institute of Political Science has lost a dedicated and inspiring instructor.

Faculteitsbestuur begonnen

Forget Python, Java and Scratch: there is now an accessible programming language for children. This is Hedy, invented by Dr. Felienne Hermans of LIACS. Thanks to a collaboration between Jetlearn, an online programming school based in Amsterdam, and Leiden University, Hedy now has translations in Hindi…

The many thousands of small celestial bodies beyond Neptune’s orbit may have ended up there due to a star that passed close to the solar system billions of years ago. This is shown by Leiden simulation expert Simon Portegies Zwart, along with his German and Dutch colleagues. ‘We are answering several…

Frederique Visser, winner of the Foundation’s 2020 Mr. Hugo Weiland Thesis, has been awarded a NWO grant to support her PhD-project “Rhythms and Rupture: Everyday Life in Three Towns in Habsburg Central Europe, 1890-1930”. She will be a PhD-candidate at the University of Leiden, under supervision of…

The bachelor programmes German Language and Culture, Classics, Dutch Language and Culture, Ancient Near Eastern Studies, Religious studies and Linguistics have received the predicate top rated programme from the Keuzegids.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

EuroScience Open Forum – ESOF - is Europe’s biggest multidisciplinary and prestigious scientific conference. ESOF2022 will take place from 13-16 July 2022 and is hosted by Leiden as the European City of Science (in the Netherlands). The Kamerlingh Onnes Building is one of the locations of the ESOF and…

The European Commission has appointed Dr. Joris Larik, Assistant Professor of Comparative, EU and International Law at Leiden University College The Hague, to a new pool of individuals ‘suitable for appointment as arbitrator’ in the framework of the European Union’s bilateral trade agreements.

At the end of the 7th century something curious occurs in Northwestern Europe. Suddenly, people start burying the dead next to their dwellings instead of in communal cemeteries. Professor Frans Theuws recently published a book on this phenomenon. ‘We wanted to know if the study of these farmyard burials…

In a new article in the journal Scientific Reports, Leiden archaeologist Wei Chu and colleagues report on recent excavations in Western Romania at the site of Româneşti, one of the most important sites in southeastern Europe associated with the earliest Homo sapiens. The site gives an important glimpse…

The Duurzame Jonge 100 (Sustainable Young 100) is an annual election for young entrepreneurs, young professionals and students who show that a sustainable future is possible. The 100 most inspiring people in the field of sustainability are chosen from all participants and appear on the list. This year,…

Since 1 November 2025, Prof. Dr. Luc Sels has been the new president of Leiden University's Executive Board. In a message to our university he introduces himself and shares his first impressions.