The Faculty of Science

Leiden has a long history in the treatment of blood cell cancer. Research to find better therapies never stands still. One of the potential treatments currently being worked on is a ‘living medicine’.

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…

Many metalloenzymes that are key to bioenergetics are membrane enzymes, with canonical examples the complexes I, II, III and IV in the mitochondrial inner membrane. To study these enzymes in a native-like lipid membrane environment, we aim to develop novel bioelectrochemical techniques.

Common challenge: unique circumstances

Learn about PhD research at Leiden University’s Institute for Philosophy: information for current and prospective candidates, supervision, and academic development within the Faculty of Humanities.

Starting this academic year (2016-2017) Maartje van der Woude, Professor of Sociology of Law at the Van Vollenhoven Institute will organize the Leiden Socio-Legal Series (LSLS).

Chemical biology research at the Leiden Institute of Chemistry is aimed at understanding biological processes at the molecular level to strengthen the knowledge base of human health and disease. The approach to achieve this goal is a fundamental chemical one; with the aid of chemical probes biological…

In case of serious illness, treatment in the Intensive Care Unit (IC) may be necessary. Intensive care treatments has improved over the years and more and more seriously ill patients are surviving admission to the ICU. This favorable development however has a downside since long-term consequences of…

The various bodies involved in the administration of LIAS are listed below.

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…

Psycholinguistic research

The majority of scientists, from archaeologists through to zoologists, collect huge volumes of data. Their massive databases contain large amounts of information which is difficult for humans to filter. With a solid grounding in statistics, we can develop algorithms for analysing and identifying patterns…

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.

Through this research, we aim to gain a clear understanding of perceptions of safety in Leiden. The results will provide us with information about current perceptions. As Leiden’s City Criminologist Marianne Franken explains: ‘This research really focuses on Leiden’s residents. That’s why want to ask…

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

Sophia aims to create equal opportunities and promote a better working climate for female academic staff at Leiden University.

The 'living lab' Vrouwe Vennepolder is situated just north of Leiden, The Netherlands, and aims to find ways to improve the agriculture of the future.

The Forensic Family and Youth Care Studies research group conducts innovative high-quality research aiming to gain knowledge about deviant developmental trajectories of vulnerable children, adolescents, and families, about how to prevent problematic development and how to intervene when necessary.

The Leiden Science Young Talent Award is awarded yearly to a student who completed their bachelor’s degree with an excellent thesis.

Learning about circadian rhythms can help students to improve their sleep and overall well-being

In the Research in Bio-Pharmaceutical Sciences specialisation you will perform research on various topics in the area of Drug Discovery and Development. The programme offers a high level of flexibility and can be tailored to your scientific interests. The major research project is hosted by the Leiden…

There are several committees within the IBL that are crucial for organizing and coordinating research, education and finances. Among the lesser-known of these committees is the IBL Institute Council (IC or Instituutsraad, IR). The purpose of the IC is to serve as a link between IBL members and management…

Watch and talk along with today’s science of the past during weekly Let’s Plays of popular games and vodcasts on the livestream platform Twitch.

Education and Organisation Development

It researches (the possibilities for) the development of a set of principles and best practices for insolvency office holders by comparing multilateral treaties and soft law recommendations and national legislation within Europe.

Security is key to survival for any living organism: life is full of perils and threats, both physically, environmentally, and societally. Security challenges such as terrorism, natural disasters, and cybercrime rank among the most pressing issues of our time, affecting the security and safety of millions…

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How do pathogenic mycobacteria alter lipid metabolism in human cells and patients, and which disrupted pathways could be targeted for new antibiotics?

A research into how people eat and drink during their daily routines, and the circumstances under which these activities take place.

Urban, Food, Water, Biodiversity, Resources and Energy: these are the main research topics of the Institute of Environmental Sciences. We always strive to be a global leader in our field. And make a real impact with both our research programmes.

Chemical biology research at the Leiden Institute of Chemistry is aimed at understanding biological processes at the molecular level to strengthen the knowledge base of human health and disease. The approach to achieve this goal is a fundamental chemical one; with the aid of chemical probes biological…

Conducting research on reliability of journalism and the trust in media.

The Educational Sciences programme group of the Institute of Education and Child Studies at Leiden University provides courses in the field of student education and the learning and development of children in the school context.

This research paper was requested by the European Parliament's Committee on Civil Liberties, Justice and Home Affairs. It was published by the International Centre for Counter-Terrorism (ICCT) in The Hague. Leiden University is one of the participating institutes in this publication and our researcher…

The master's specialisation Clinical Psychology consists of three main parts: the mandatory and elective courses, a thesis and an internship.

The research master's specialisation Cognitive Neuroscience consists of five main parts: the general courses, the track-specific courses, the elective courses, a research internship and a thesis.

All students with a Master of Science degree in Biomedical Sciences are admissible to a PhD programme. Graduates of the master Biomedical Sciences have good career perspectives: over 90% of our graduates finds employment within 6 months of graduation (source: WO monitor 2023). You can fulfil different…

The specialisation Global Conflict in the Modern Era of the master’s in International Relations at Leiden University engages you with the scholarly debates about global conflict today and in the recent past.

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Doctors and pharmacists should take greater account of obesity when dosing medicines. The distribution in the body and the breakdown of a medicine can vary considerably in obese patients. This is stated by clinical pharmacologist Catherijne Knibbe in the Annual Review of Pharmacology and Toxicology.

On 5 February, Dr Kosta and Dr Ceran spoke at the high-level conference entitled ‘Perspectives on academic freedom in Europe and beyond’, organised in Brussels by the European Parliament’s Panel for the Future of Science and Technology (STOA).

The European Cooperation in Science and Technology (COST) has awarded a network grant for the project GoodBrother. On behalf of Leiden University, Bart Custers, professor of Law & Data Science and director of eLaw, the Center for Law and Digital Technologies, contributed to writing this proposal.

In haar boek ‘Diensten met geheimen’ vertelt Willemijn Aerdts hoe de AIVD en MIVD te werk gaan. En ontkracht ze ook een paar mythes.

Explosions at people’s homes, gangland killings and online threats: if you follow the news, it may seem as though threat levels in the Netherlands are rising. But is that really true? Researchers from Leiden University investigated this and have presented their results in the Dreigingsmonitor (Threat…

How to strengthen mutual trust between agencies in the criminal justice system and youth with a migration background or weaker socio-economic position. The Netherlands Science Agenda has awarded 1.5 million euros to a consortium to find out.

The proportion of female professors at Dutch universities is increasing, but at a modest rate. At 34.2%, Leiden University is in the top three. These are the results of the Women Professors Monitor for 2025.

Andreas Bender, Assistant Professor for Medicinal Chemistry in the Medicinal Chemistry Division of the Leiden / Amsterdam Center for Drug Research, received the

The tree-year bachelor's programme in Archaeology is a many-sided programme in which you study societies, cultures, and human behaviour from the past, aiming to reconstruct and revive them. Dive into the development of human societies all over the world, from the Netherlands to the Mediterranean, and…