Microscopic swimmers such as bacteria do not always swim alone. There are advantages to exchanging information and cooperating. Stefania Ketzetzi and colleagues now show in Nature Communications that human-made microswimmers, too, can cooperate.

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.'

When we think of unethical medical experiments, we tend to think first of Nazi Germany. What is less well known is that experiments were also carried out in colonised areas without the explicit consent of the test subject. University lecturer Fenneke Sysling has received a European grant to research…

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.

Cancelled trains, massive queues at Schiphol Airport, nursery closures and long waiting times for health care. These are all the results of labour shortages. Economist Lars van Doorn can see some possible solutions but has some less optimistic news too.

Brain scans, heart attacks and credit scores: many science applications revolve around data. But how do you mine applicable insights from a mountain of data? In a Bachelor Honours Class, students discover how data science can contribute to their discipline.

Het asielbeleid blijft een hoofdpijndossier voor het kabinet. Een akkoord zou bereikt zijn waarin iedere partij een kleine concessie zou doen. De VVD gaat uiteindelijk toch niet akkoord met deze nieuwe asielwet die gemeentes kan dwingen om asielzoekers op te vangen. De VVD fractie heeft moeite met ‘dwang’…

Hwæt! You've heard of the adventures of the mighty Beowulf. You've heard of the brave folk standing beside him, and the awe-inspiring foes standing against him. But where their legend still lives, their tale ended long ago... Let us begin a new saga, let us find new heroes, weave a new story - by the…

During the Late Pleistocene, Europe was a cold and unforgiving place to live. Even so, groups of early modern humans roamed around, just like their Neanderthal counterparts. It is unclear what kind of dwellings these people inhabited to shelter them against the elements, especially in regions without…

The people who lived in Saqqara, City of the Dead in Egypt, died thousands of years ago, but they are not all that different from us. This is what a study by the National Museum of Antiquities in Leiden, The Netherlands concludes. If you wanted to prove that you had good taste in ancient Egypt then…

Research

On 8 December, in honour of Human Rights Week, Roeland Böcker gave a public lecture about his experiences as ambassador to the Council of Europe. Between 2017 and 2021, Roeland Böcker was the representative of the Netherlands in the Council of Europe.

On Tuesday, Nov. 4, 2025, Mr. Seán Ivory (VU) presented part of his prize-winning research in a lunch talk entitled Let Sleeping Dogs Lie: The Politics of Emotion in the Pamphlets of the De Hondt Affair During the Small Brabant Revolution (1787).

The interdisciplinary, English-taught minor ‘Violence Studies’ looks at violence from very diverse scientific perspectives. What are the benefits from this approach? Students and lecturers evaluate: ‘This minor’s a goldmine’.

During her work for the European Union, Sophie Vériter witnessed how young people in countries like Ukraine and Moldova were exposed to Russian propaganda. After mapping out the EU’s disinformation policy, the PhD candidate now advocates for a revised approach.

This week, the cooperation between the Zwerfinator and Leiden University was in the news because of loose labels on deposit bottles. NOS news reported that the Zwerfinator submitted an enforcement request to the Inspectorate. The Leiden Advocacy Project on Plastic (LAPP) is supporting litter waste…

Joana Cook talks about the Islamist parties increasingly taking power in the last four decades on ABC News.

They dreamed of Brussels, worked hard and finally succeeded: working for Europe. The list of Leiden University alumni in Brussels is long. A few days before the European elections, Julia Gencheva and Vincent Miča talk about how they ended up in Brussels and what their jobs entail.

Professor Judi Mesman interviewed 40 people of colour in leadership positions. What can we learn from them?

Research

Education

Thijs Bosker, Associate Professor of Environmental Sciences at Leiden University College (LUC) and the Institute of Environmental Sciences (CML), has received funding as part of a large consortium to study the impacts of microplastics on agricultural soils. The project will receive 7 million euro of…

The starting point of human-induced landscape changes has been under permanent debate. It is widely accepted that the emergence of agriculture strongly increased human impact on their environments. However, foragers can and do actively transform land cover and ecosystems. Ethnographic observations,…

Teaching people to recognize subtle, real-world expressions will help them understand and trust others better. The aim of Mariska Kret is to develop an interactive virtual-reality training tool (E-VIRT) for a broad group of users, including patients. Kret provides a brief description of her idea for…

After the summer, the SPSS statistics programme will be replaced by the new ‘R’ software for first year students. Hemmo Smit and Sjoerd Huisman, both lecturers in Methodology and Statistics, initiated this major change in the curriculum. That did not happen overnight.

The Leiden University College (LUC) education team behind The Learning Mindset (TLM) has received 800,000 euro’s during the Dutch Higher Education Award Ceremony 2022. The LUC team was second behind Universteit Twente. The prize was awarded during the annual Comenius Festival of the Comenius Network.…

Lecture

Professor Bussemaker and Professor Koenders draw lessons from the handling of the current corona crisis. In a blended guest lecture with some 60 students in Wijnhaven and some 250 online participants, they entered into a discussion led by Willemijn Aerdts. The guest lecture took place on May 25.

Anthropologist Sander Hölsgens explores how skateboarding philosophy can revolutionise education by embracing failure, fostering creativity, and building supportive learning communities. Read his research on The Conversation.

When a challenge or question presents itself, our first reaction is often: ‘Let’s organise training’. But is that always the best solution? The working day often offers plenty of informal learning and development opportunities

Students face increasing pressure during their studies. How can we embed student well-being in our teaching? What role do prevention, knowledge and expertise play? And should we see student well-being as an aspect of innovation in teaching and learning? This is what policymakers and teaching staff from…

Guiding high school students as a mentor at Pre-University College: what is that like? And what does it all entail? As part of the 20th anniversary of PRE-College Leiden, we asked two experienced PRE-mentors about their job - and what makes their work so meaningful. ‘You really see them grow.’

The goal of alumnus International Studies Dennis Jansen (24) is to make the voice of young people heard in the climate debate. In November he is going to el-Sheikh in Egypt, where the Climate Change Conference is being held.

Students of the Biology minor course Molecular Design have successfully boosted their skills in collaboration, research and writing with the recently developed E-learning Skills Platform. The biology students and their teachers greatly value the initiative. ‘Sometimes I couldn’t believe what progress…

If you have a class where you want students to collaborate, you can consider booking an Active Learning Classroom. These flexible educational spaces in Leiden and The Hague are designed to make lectures more interactive.

How can humans and computers learn from data? To research this, scientists often use so-called Bayesian methods. Although these methods are widely used, they also have limitations and are not always easy to interpret. In her dissertation Rianne de Heide describes some of these problems and introduces…