On this page you will find all the house rules and conditions that apply to visiting the Old Observatory.

On 24 January 2024, Vethaak defended the thesis 'Empirical Analysis of Social Insurance, Work Incentives and Employment Outcomes'. The doctoral research was supervised by Koen Caminada and Pierre Koning.

In this article, Adriana Cerdeira and Dovile Rimkute explore how certain dynamics shape banks' behaviour.

This thesis investigates the contribution of quantum computers to machine learning, a field called Quantum Machine Learning. Quantum Machine Learning promises innovative perspectives and methods for solving complex problems in machine learning, leveraging the unique capabilities of quantum computers…

Josien de Klerk and Tennessee Miller examined the interplay between students’ illness and recovery experiences and academic work culture in this context.

Can behaviour in an online economic game be understood as a representation of radicalisation propensity?

Ironies of Solidarity is an ethnographic study of how financial products and services affect inequalities and conflicts in South Africa.

In 'The Spirit of Matter', Peter Pels explores the significance of emotionally evocative objects, challenging the denial of their existence in modern 'mind over matter' ideology.

This article presents a five-step framework for building behavioural cybersecurity strategy to reduce human-related risks affecting organisational security

The research group Cyber Security Governance will provide cutting-edge academic research in the domain of cyber, where modern technology interacts with traditional concepts such as governance, sovereignty, law-enforcement, international relations and conflict.

The Netherlands Organisation for Scientific Research (NWO) has awarded Veni funding to seventeen researchers who recently obtained their PhD. This award offers promising young scientists the opportunity to develop their own ideas over a period of three years.

The Faculty of Science has presented an infographic with tips and tricks for work stress. The reason for this was the Personnel Monitor 2018, which showed that work pressure is a problem for many employees at the Faculty. ‘It is important to start the discussion about work pressure, and to break the…

Stress, conflicts, and dilemmas: the life of a manager is not always a bed of roses. An Honours Class at Leiden University helps student board members make sense of things: ‘It’s not about being liked.’

The interdisciplinary AI & Society minor of Leiden University brings together students and lecturers from a wide range of disciplines. Together they look at the impact of AI on society. Students are enthusiastic about this merging of worlds.

Research master's student in history Jesse Dijkshoorn collaborated on a transcription system for medieval texts. ‘It’s nice to make the Middle Ages accessible to people.’

After a turbulent Covid year, the well-being of our students and staff has the highest priority. How can we prevent physical and mental health problems? This was the key question at the Opening of the Academic Year in Pieterskerk in Leiden on 6 September.

Leiden University has taken 18th place in the SustainaBul, the sustainability ranking of universities and universities of applied sciences in the Netherlands. A total of 32 institutions took part in this the tenth edition of SustainaBul. Although Leiden University is two places higher than last year,…

On February 1st 2016 the first Rabat semester at the Netherlands Institute in Morocco (NIMAR) has started. During the semester, organised for students of Arabic (Middle-Eastern Studies), participants will study Modern Standard Arabic, Moroccan Arabic, Moroccan culture and society, Berber languages and…

An interdisciplinary photo exhibition about crafts and craftsmanship in different cultures will open at Oude UB on 6 October. At the opening Fridus Steijlen will give an introduction to the Tau Tau puppets that are made in Sulawesi, Indonesia.

Citizens underestimate their role, but they really can make a difference, says legal specialist Corinne Dettmeijer-Vermeulen. Combatting injustice is still the mission of this former National Rapporteur on Human Trafficking and Sexual Violence against Children. She will deliver the Cleveringa lecture…

On International Women's Day (8 March) we take time to consider female emancipation and participation. What does this day mean for Leiden University, and how does it tie in with our aim of becoming more diverse and inclusive? We talked about these issues with Annetje Ottow, who recently became the…

On May 28th, Leiden physicist Wim van Saarloos takes office as President of the Royal Netherlands Academy of Arts and Sciences (KNAW). He has been vice-president since 2016. ‘The base of our universities is eroding.’

PhD defence

Psychologist Aukje Nauta studies what makes people feel better in an organisation. For many, this ‘organisation’ is now the family; for those who live alone, this organisation has disappeared completely. What are the implications and how can a single person deal with possible problems?

Zsuzsika Sjoerds seems to be busy with her research, her teaching, and open science advocacy. She will also take over the Twitter account for Dutch scientists. Folllow our cognitive neuroscientist at @NL_Wetenschap from 30 September till 6 October 2019.

Seven large reproductions of works by Rembrandt on seven Leiden University buildings reveal the relationship between the painter and the University. Rembrandt van Rijn enrolled in the University in 1620 and painted the portraits of various alumni of the University. In addition, the University Library…

Every autumn EUS students take the train down to our southern neighbours to learn the secrets of European Union institutions. They get to hear tips about landing a job in Brussels, learn things about EU institutions that cannot be found in the textbooks, meet important contacts, and get inspiration…

Though tuberculosis can be cured today, new resistant strains of the bacteria are becoming a growing problem in the medical world. Biologist Annemarie Meijer and her colleagues are studying resistance to this disease. Their research is already yielding several interesting clues that could help the development…

Five innovative and excellent teachers have joined the Leiden University Teachers' Academy (LTA). Members of the Academy exchange experiences and share their knowledge and expertise within Leiden University. Frank Takes, assistant professor at the Leiden Institute of Advanced Computer Science (LIACS)…

Leiden University social scientists have shown that customised intervention pays off. A new fundamental research-based approach in children who are in danger of going off the rails has delivered spectacular results.

Leiden University neuropsychologists have shown that customised intervention pays off. A new fundamental research-based approach in children who are in danger of going off the rails has delivered spectacular results.

Leiden is easy to reach by public transport. The bus station is right in front of Leiden Central Station and there are many routes serving the city and the region. The Faculty of Humanities is a 10-minute walk from the train station. Alternatively you could take bus 1 or 3 from the train station and…

A master's degree in Psychology at Leiden University combines theoretical knowledge with academic and professional skills, making you an attractive candidate for many employers.

The central aim is to systematically study differences in crime patterns and social control between migrants and non-migrants in early modern Frankfurt am Main.

PURPOSE: To monitor the biodistribution of IgG1 aggregates upon subcutaneous (SC) and intravenous (IV) administration in mice and measure their propensity to stimulate an early immune response.

Promotor: H.J.M. de Groot, Co-Promotor: A. Alia

A management strategy has been developed for field margins to reduce pesticide drift to non-target areas and to promote biodiversity on arable land. To this end, 3 and 6 m wide strips along the edges of winter wheat, sugar beet and potato crops have been left unsprayed with herbicides and insecticides…

Getting started with active learning & teaching can be as simple as assessing on what is already accomplished. Here are some practical courses of action to begin experimenting with active learning, whether you are a teacher or responsible for the spaces.

Research on this theme concerns the legitimacy and effectiveness of Europe’s institutional order in the face of public alienation and normative contestation.

Don Scott De Amicis will give the sixth Hazelhoff Guest Lecture on international development finance: challenges and opportunities.

Multi-objective optimization is an effective technique for finding optimal solutions that balance several conflicting objectives. It has been applied in many fields of our world, because practical problems usually have more than one desired goal. For example, developing a new vehicle component might…

GRIPonMASH will address the unmet public health need of reducing disease burden and comorbidities associated with Metabolic dysfunction-Associated Steatotic Liver Disease (MASLD).

All children deserve a promising start. Most children are doing fine. But some need extra support, because of problems during pregnancy or because they grow up in disadvantaged circumstances, e.g. due to poverty, parental addictions or psychological problems.

The project investigates the implementation of policies and practices related to reconciliation and the strengthening of government capacity in the Odesa and Kharkiv regions of Ukraine.

Do general practitioners recognize children with or at risk of problematic anxiety and is there a pattern that might help differentiate those with and without anxiety disorders in general practice?

A sustainable resource management is an essential aspect to satisfy the current human needs without compromising the needs of future generations.

On 1 July 2020, Niek Strohmaier defended his thesis 'Making Sense of Business Failure'. The doctoral research was supervised by Prof. J.A.A. Adriaanse en dr. H. Pluut.

On 20 februari 2019, Chris van Oostrum defended his thesis 'Regres bij concernfinanciering'. The doctoral research was supervised by Prof. mr. S.M. Bartman.