At Leiden University, researchers from all disciplines work together to find answers and design innovations in the field of artificial intelligence.

How safe do you feel walking on the street in Leiden? Do you feel safe, or are there situations that make you feel unsafe in the city? These are questions that city criminologist Marianne Franken of Leiden University wants to find answers to. In collaboration with the municipality of Leiden and the…

How do teachers’ knowledge, practices, perceptions, job satisfaction and workload in secondary education develop during a school innovation in the context of differentiated student development?

In this project we investigate how the professional development around the theme of inquiry based teaching of teachers from three international schools takes place.

The seminar series on ‘Diversity and Inclusion in Global Science’ aims to foster debate on inequalities in science across the world.

Distinguished Fellows of Leiden University College The Hague are acknowledged for their extensive and outstanding expertise in the private or public sector, and for their intellectual contributions to LUC’s academic programme and scholarly community.

Spontaneously helping one another, why do we bother? It is believed that lending a hand to others promotes social bonding, helping us to connect with each other and even build friendships. In our experiment, in which the adult researcher ‘accidentally’ dropped matches on the floor, most adolescents…

Covid-19 is een disruptieve ontwikkeling die hier en nu veel vraagt van zorgprofessionals, bestuurders en managers. Hoewel de crisis nog volop bezig is, is nu al duidelijk dat het Coronavirus een blijvende impact zal hebben op zorginstellingen en fundamentele vragen oproept over hoe we onze zorg optimaal…

LIACS prof. Grzegorz Rozenberg is one of the world leaders in research on Theoretical Computer Science and Natural Computing. He is often called the guru of Natural Computing.

On 27 January 1900 thirteen female students gathered and established the Leesgezelschap van Vrouwelijke Studenten te Leiden (reading association for female students in Leiden).

Common challenge: unique circumstances

LIACS prof. Grzegorz Rozenberg is one of the world leaders in research on Theoretical Computer Science and Natural Computing. He is often called the guru of Natural Computing.

In STAYAHEAD data-intensive approaches are being developed to ”decode the human immunome” with a focus on a global vaccine strategy. They have developed a rapid mass spectrometric test to analyse in real-time large numbers of variants of SARS-CoV-2 and the host immune response, and use these data to…

How do we decide on the long-term future of children placed in care in a valid, reliable, traceable and transparent way – together with parents and young people?

Fundamental knowledge generated through research increases our scientific and cultural knowledge and wealth, and offers an important basis for developing and innovating products and services, and for deciding how we should structure our society.

You've earned your degree and you’re ready to start your career. But where do you end up?

Over the recent period there have been a number of protests and demonstrations at universities by people who oppose the universities’ collaboration with the fossil fuel industry. Students and staff in Leiden are also expressing their concerns about this issue. We are now publishing a list giving an…

If an algorithm has to learn to understand language, simply having a lot of data doesn’t help much. Like us, a computer has to learn the language in interaction with others. Tessa Verhoef is fascinated by how this interaction works.

Researchers at Leiden Observatory study the fundamental physics that creates structure in the Universe. These processes collect matter into galaxies and gas into stars. With the use of powerful telescopes and advanced calculations and computer simulations, Leiden astronomers seek to understand the origin,…

The NestWacht project is a Citizen Science collaboration between Science Centre Delft, Naturalis, and the Citizen Science Lab of Leiden University to engage individuals, families and primary schools in Leiden and Delft in scientific research on the impact of climate change on nature in their city, and…

What is “teaching excellence” in Higher Education? Which different teaching excellence training, promotion and reward schemes exist across Europe? How can a common European teaching scheme look like? The e-NOTE project led by Leiden University seeks to answer these question in cooperation with five…

The Minor in Teaching was introduced in 2009 as a new initiative to introduce and prepare bachelor students for teaching. Student numbers are low, however, especially of mathematics and science students.

With the emergence of new methods and technologies such as improved DNA analysis and big data, archaeological research has changed radically in recent decades. The researchers from the Department of Archaeological Sciences at the Faculty of Archaeology use new scientific knowledge to answer fundamental…

This project aims to analyze and increase student motivation and achievement during the first three years of secondary school with an intervention that focuses on development of students’ talents.

Investigating Neolithic houses in Britain through microwear and residue analysis of stone tools

How can reciprocal learning of mentor and mentee about PCK (Pedagogical Content Knowledge) during the secondary school internship be established?

The aim of this research was to establish if Ebeling's semiotactic theory and method of semiotactic analysis, as described in his works Syntax and Semantics (1978), Een Inleiding tot de Syntaxis (1994) and Semiotaxis, over Theoretische en Nederlandse Syntaxis (2006), could be applied to Modern Japanese…

MRFM combines the principles of magnetic resonance and atomic force microscopy.

Subproject of

Leiden alumni find work in all kinds of interesting places. We gather the stories of our alumni and publish then regularly in our alumni newsletter and in Leidraad magazine. You can find all their stories on this page. They give a good impression of what life is like for Leiden alumni after they have…

The main purpose of this book is to give a description of the Cholón language as represented in the Arte de la lengua cholona (ALC), a colonial grammar written in 1748 by a Franciscan friar, named Pedro de la Mata. The ALC was transcribed by Fray Gerónimo Clota in 1772. This grammar is kept in the British…

YAL connects academics to society.

Joining forces for a healthier The Hague

LUMC researchers are looking for factors that point to illness at an early stage.

Regulating Relations: Controlling Sex and Marriage

The aim of this project is to develop, evaluate, and multicentre implement a blended form of cardiac rehabilitation that uses a theory-based approach to guide patients to full self-management.

A cautious response to a crisis or terrorist act avoids the creation of a culture of fear. This is another way to reduce our vulnerability to terrorism.

What distinguishes a tumour cell from a healthy cell? Researchers are trying to answer this question as precisely as possible. Certain differences could eventually lead to new therapies.

Would you like to develop further and be challenged academically in your field or beyond? The Faculty of Humanities offers a wide range of courses to boost your career, learn new skills or broaden your knowledge.

The emergence of new players on the world market such as India, Brazil, China, Turkey and the Gulf States gives Africans more choice in who they work with and under which terms. At the same time, African multinationals are choosing to work with regional partners and are thus furnishing old political…

While colloidal aggregates are often undesirable due to their random shapes, we exploit them as a starting point to synthesize patchy particles.

In their vision trajectory, the Office for the Senior Civil Service (in Dutch: Bureau Algemene Bestuursdienst) communicated its plan to renew its vision on public leadership. Over the course of 2021, the Leiden Leadership Centre contributed as a scientific partner to the substantiation of this visio…

Brenda M.S. da Silva and colleagues designed and validated the “Moral Emotions Questionnaire” (MEQ) for identifying three major moral emotions in preschoolers – allowing to separately measure guilt, shame and pride at the youngest ages.

At the Leiden Curious Minds Centre, our research focuses on the relationship of exploratory behaviour and discovery learning to curiosity and the way children regulate their behaviour and emotions. We want to improve our understanding of how children can and do become more and more the captain of their…

Top scientists of three Dutch universities are working on software and systems for quantum computers. Researchers of the Leiden Institute of Advanced Computer Science (LIACS) and the Leiden Institute of Physics (LION) are developing new algorithms to make those super computers work. The coming years,…

These were the main speakers and session leaders at The Knowledge Orchard 2025: