Access to information is a human right (United Nations, 1948). Information technology, such as search engines and recommender systems, has become the key mediator and facilitator to connect people to information (White, 2016). Conversational artificial intelligence (AI) technology is increasingly being…

In this dissertation (titled: Exploring the Synergies between Transfer in Reinforcement Learning and Procedural Content Generation) we explore how the two research fields named in the title, namely Transfer in Reinforcement Learning (TRL) and Procedural Content Generation (PCG) can synergize togethe…

In this research group, led by Dr. Joost Beltman, the aim is to employ mathematical and computational dynamical modelling approaches in order to quantitatively and mechanistically understand the dynamical behaviour and regulation of intracellular networks of genes, proteins and metabolites as well as…

The Faculty of Science is located at the Leiden Bio Science Park. It was founded more than two centuries ago and currently, more than 8000 people are working and studying at the eight institutes.

Polarisation in our society is on the rise. What makes people increasingly radical? How do we protect ourselves from extremist, terrorist or criminal threats, be they physical or in the cyber world? And what role do intelligence services play in this?

How can the law provide legal safeguards for the save introduction of quantum technology for consumers, and how can these safeguards be examined and interpreted through interdisciplinary collaboration?

The transition from fossil fuels and the practical changes that this entails make many demands on citizens. Emma ter Mors, a psychologist and lecturer at Leiden University, is researching the factors that contribute to public perception and acceptance of new energy technologies.

Optimally solving real-world expensive Black-Box Optimization (BBO) problems w.r.t. real-world constraints, such as wall-clock time and computational costs, is extremely difficult and tedious.

Immerse yourself: read books, listen to podcasts and watch films about racism, discrimination and the colonial past.

Living systems scale from unicellular microbes to complex multispecies communities that constantly change over time. Within the theme Development & Disease, we enhance our fundamental understanding of development and homeostasis of living cells and systems. We analyze the normal situation and how stresses…

In the Global Conflict in the Modern Era specialisation of International Relations you will explore the security measures that have been instituted locally, regionally and globally in the modern world.

With a MSc in Chemistry you are well prepared for a wide range of career opportunities. The chemical industry is one of the largest contributors to economic prosperity worldwide.

The goal of hit and lead optimization is to optimize suitable chemical starting points that can modulate a drug target. The methods and technologies used are similar to those in Hit Discovery, but once the compound has shown activity in an animal model, it moves from 'hit' to 'lead.'

Meet the people of the Resilience Center

Meet the scientists within the LED3 community

In this project we think about the relationship between territory and contagion. Tracing the historical, political, and conceptual linkages between territorial bordering and migration on the one hand and disease related phenomena like contagion, immunity, and inoculation on the other, we ask how the…

Building a high-quality MRI scanner at the lowest possible cost. That was the challenge Thomas O’Reilly and Karina Soemarwoto set themselves. This year, they are selling their self-built MRI scanner to their first ten customers, with many more expected to follow soon. In doing so, they hope to make…

How do parents communicate anxiety to their child via body language and words? Psychologist Cosima Nimphy studied this question for her PhD research. Experiments show that children of anxious parents are not more sensitive to their parents’ signs of anxiety.

The Royal Netherlands Academy of Arts and Sciences (KNAW) has awarded a KNAW Early Career Partnership 2023 to Philippe van Gruisen for interdisciplinary research on (labour) migration from a broad perspective on societal wellbeing.

Developmental psychologist Barbara Braams has moved to Harvard University to study social influences on adolescents’ decision making in risky and ambiguous situations. NWO awarded her a Rubicon grant for talented scientists who have recently obtained a PhD.

As part of the LIAISON Research Project, Eduard Fosch-Villaronga and Hadassah Drukarch organised a workshop at the European Robotics Forum (ERF 2021) to engage the broader community in the projects’ goal of liaising robot development and policymaking.

Lecture

Criminal law can reinforce social inequality. ‘People at the lower end of society are hit harder by criminal law in a range of different ways’, says Professor Marloes van Noorloos. ‘That has to change.’

One of the recurring points of discussion within the Criminal Justice research programme is the question of what behaviour should or should not fall within the scope of criminal law. This research theme is examined from a legal-dogmatic and social-scientific perspective.

When do we say violence was used in an incident? The answer may seem obvious at first. But interim results from a study by Jolien van Breen show that Dutch people are labelling events in increasingly broad contexts as violent.

Wat gebeurt er op het schoolplein? Sensoren op kleding openbaren pijnlijke patronen

Ellen de Bruijn and Berna Güroğlu, both of the Psychology Institute, have been proposed for professorships by the Faculty of Social and Behavioural Sciences. Güroğlu: ‘I feel honoured that the University has approved the appointment.’ De Bruijn: ‘It’s great, and really motivating, that Leiden University…

The Council of the International Civil Aviation Organization (ICAO) has reappointed Dr. Fang Liu of China by acclamation today as Secretary General of the UN Specialized Agency for a second three-year term, beginning 1 August 2018.

An international research consortium led by Bob van de Water, Professor of Toxicology at Leiden University, has been awarded a prestigious Horizon2020 grant of 30 million euros.

The Council of the International Civil Aviation Organization (ICAO) has reappointed Dr. Fang Liu of China by acclamation today as Secretary General of the UN Specialized Agency for a second three-year term, beginning 1 August 2018.

The Institute of Security and Global Affairs (ISGA) has launched its first own scientific journal. The Journal of Security and Global Affairs (SGA) will focus on a wide array of security topics and issues, providing a platform for the analysis of key issues within security and global affairs. The first…

Tarlach McGonagle has been appointed as Professor of Media Law in the Information Society as of 1 May 2019. The Chair is established by the Leiden University Fund (LUF) and is situated within the Department of Constitutional and Administrative Law.

These are turbulent times at Dutch universities. We have all seen what has been and is still happening at various campuses in the country. Protests, demonstrations, occupations. Situations and scenes that deeply affect us all.

The Municipality of Dronten is temporarily bailing out the Central Agency for the Reception of Asylum Seekers (COA) in Ter Apel by accommodating 360 asylum seekers at the Biddinghuizen event site in the province of Flevoland. This helps the COA avoid a sky-high fine. Rowie Stolk, Assistant Professor…

Second year BA Archaeology student Jeroen Huizer decided to participate in an excavation this summer, and he is giving us a peek in doing fieldwork under corona restrictions.

Immune system defends our body against pathogens and cancerous cells, but excessive immunity can in turn lead to tissue damages and diseases. For example, scratching the surface of the eye ignites an immune response that aims at preventing infection but can also lead to edema, angiogenesis and eventually…

On the 29th of August 2017 Janine Geerling and Marjo de Graauw, together with their collaborating partners at Kryt B.V., organized a national symposium on Present-day Practicals. During this first edition the focus was on the implementation and use of the digital support tool LabBuddy within practical…

Inspectors say the William Schrikker Foundation, a leading Dutch youth protection agency, is failing in its duties. Mariëlle Bruning, Professor of Child Law, told public broadcaster NOS: ‘It's deeply concerning that there's insufficient oversight of children’s safety.’

Edited by Michael Kowalski

Anyone in Leiden wanting to join a student association has plenty to choose from. But the risk of alcohol abuse is a very real one. Leiden University, Leiden University of Applied Sciences and dozens of student associations have signed a new alcohol covenant that promises they will do their best to…

Liwen Meng has been granted a CSC fellowship to initiate her PhD project, which will delve into the role of nature in buffering stress response. Her research will be carried out under the supervision of Dr. Henk van Steenbergen.

‘Equal opportunities for diverse young people’ receives a Starting Incentive of the Natonal Science Agenda of 2,5 million euros. In this project research is conducted on the processes and mechanisms in the changing environments in which young people grow up that contribute to equal - or unequal - opportunities.…

Recently more than five hundred workers at metal companies in Dutch cities Zwolle and Kampen went on strike. Their aim is better pay and the workers have now been on strike for twelve weeks. Just how effective is striking in collective bargaining?

The world is autocratising. In 2022, a record number of states across all continents, including Europe, was shifting towards autocracy. But against theoretical expectations and common sense, autocratising leaders – known for their nationalist agendas and human rights violations – do not always restrict…

Inaugural lecture

It is often thought that immigration threatens the solidarity on which redistribution relies. But looking at the post-war period, PhD candidate Emily Anne Wolff finds that this is not the case.

Study information

PhD defence

JSixty researchers have received a grant of approximately 50,000 Euros during round 3 of the NWO Open Competition SSH-XS pilot programme. Two of them are working at FGGA: Jolien van Breen and Honorata Mazepus. The sixty researchers received the grant to start working on a promising concept or an innovative…

Synchronised heart rates and skin conductance tell us that people are attracted to each other. This explains why we feel a romantic ‘click’ with some people and not with others. This is the result of research by psychologist Eliska Prochazkova from the Leiden Institute for Brain and Recognition, which…