A punishment that fits the crime is the cornerstone of the rechtsstaat or constitutional state. But opinions differ greatly on what constitutes a just and effective punishment. Research by Leiden University provides politicians, legislators, law enforcers and the public with new information and insights…

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This project aims to identify which aspects of exploring a novel environment produce beneficial effects on memory. The effects of novelty will be investigated across the lifespan, including children, adolescents and older adults.

This research focuses on the (Quantum) Dynamics (QD) of the reactive scattering of H2 from metal surfaces.

At Psychology Lab on Wheels, we take your privacy and the security of your personal data very seriously. We want to assure you that all the information collected during this study will be handled in accordance with the General Data Protection Regulation (GDPR).

Under what circumstances is politicization more likely to occur than others, and what impact does politicization have on government legitimacy and performance?

Ending the United Kingdom’s (UK) forty-seven year European Union (EU) membership has fundamentally transformed its relationship with the EU. After years of tumultuous negotiations, international law now once again governs the UK’s relationship with the EU. This has resulted in a sophisticated body of…

In the research project ‘Furthering public leadership’ the Leiden Leadership Centre collaborates with several public organisations in order to obtain academic insights on public leadership and to develop leadership in practice. This allows for evidence-based development of public leadership and direct…

For present purposes, it is important to distinguish between an early period of settlement, about 6800-6200 BC, and a late period, about 6200-5800 BC, at Tell Sabi Abyad.

To make digital communication more secure, we need to tighten up the legal frameworks and identify the biggest cyber threats.

This project has two main aims: I. Determine when novelty promotes fear extinction. II. Discover the neurobiological mechanisms underlying these effects.

Mashaghi lab conducts research at the interface of physics, engineering and biomedicine. We develop and use theoretical and experimental approaches to address basic and applied research problems.

Sentencing is becoming increasingly complex for the courts. Legal scholars and criminologists from Leiden document the process of sentencing in the Netherlands. They use this knowledge to advise legislators and those who implement this legislation on how to make sentencing more consistent and effect…

The relationship between States and foreign corporations are regulated by international economic law and international investment law in particular. Any disputes between States and foreign corporations must therefore also be solved by reference to this body of public international law, for example when…

Onderzoek van de onderzoeksgroep 'War, Peace and Justice'

This is an Erasmus+ International Credit Mobility project of Leiden University Medical Center with Boston Children’s Hospital in the USA.

Physics and Engineering Approaches to Biomedicine and Pharmacology

We would like to present to you a simple guidebook about living a sustainable life as a student in the cities of Leiden and The Hague. Whether you are a first-year student still trying to find your way around or already doing your masters – students wanting to explore more sustainable options and save…

Which genes are involved in woodiness and associated traits such as drought tolerance, flowering time, stem elongation, life span, and plant herbivory, and how do these gene regulatory pathways overlap?

This PhD subproject concentrates on 16th-century ichthyology and takes Gessner’s Historia piscium (1558) (further HP) as its point of departure and focus.

Leiden University will be recording a brand-new series of podcasts in 2019: Science Shots. Our top scientists will talk about their research in less than 15 minutes. Tip: something to enjoy on the train journey between Leiden and The Hague, our two University cities!

LIACS aims at being a diverse and inclusive research institute. To reach this goal, two instances are working on addressing diversity related issues.

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…

Archiving Medieval and Post-Medieval Archaeological Fieldwork Data from the Eastern Mediterranean (600-2000)

What is better for waste recycling: a plastic, paper or ceramic cup? A bio-based or fossil-based coating? Waste sorting at the source or at a recycling facility? Ask ten experts and you will get ten different opinions. We can all agree on one thing: doing nothing is not an option. Thus, Leiden University…

Leiden Asia Centres

It is not man’s ingenuity, but rather materials that are the source of innovation and progress. This is what archaeologist Maikel Kuijpers concludes based on his research into craftsmanship and material processing in the Early Bronze Age.

An overview of awards and prizes granted to our staff and students in 2022, as well as special appointments at Leiden University and other institutions.

Around the world, there is a growing movement to decolonise university curricula, with both students and educators seeking to disrupt existing epistemic hierarchies within higher education. This research project aims to unravel what decolonising means in general and what it means for the International…

To what extent are, can, and should, human trafficking and human smuggling be(ing) seen as interlinked phenomena? What are the consequences of seeing the phenomena as either distinct or interlinked for the way in which migrants crossing intra-Schengen borders are treated.

The Cryogenics Department has a liquid helium production unit and an automatic liquid nitrogen filling plant.

Prediction of human (CNS) target site concentrations in health and disease In the vision of Prof. de Lange we will only be able to predict human (central nervous system, CNS) target site concentrations and effects if we perform systematic, condition-dependent, integrative, and strictly quantitative…

Leiden University’s Master of International Civil and Commercial Law (L.L.M.) examines the interrelated layers of hard law, soft law, and relevant case law.

In early medieval England, there was an interest in the history of the Roman Empire and kings adopted such imperial titles as 'imperator' or 'basileus'. How can we explain this interest and what functions did imperial ideas and the reception of the classical world serve in early medieval England?

Students in EFL (English as a foreign language) classes may regard their non-native teachers as successful models of intercultural communication and mediators between the cultures of English-speaking countries (ES cultures) and their own cultures. Teachers who are aware of such roles may introduce and…

Review the MSc The Politics of Artificial Intelligence admission requirements at Leiden University: bachelor’s degree in Political Science or related field, 80 ECTS in relevant courses, and proficiency in Social Science research design.

We'll give you 10 reasons why you should study the specialization Peace, Justice and Development of the master Public International Law at Leiden University

To be eligible for Art History at Leiden University, you need to meet the following admission requirements.

To be eligible for Classics (research) at Leiden University, you must meet the following admission requirements.

Discover the admission requirements for the MSc in International Politics at Leiden University in The Hague: bachelor degree, 80 ECTS in political science, and English language proficiency (IELTS/TOEFL).

Graduates of International Studies are attractive candidates for international employers in a wide variety of fields including NGOs, multinationals, humanitarian or governmental agencies. Your region-specific expertise, language proficiency, and academic and practical skills prepare you for both master’s…

As a student residence permit holder, you must make sufficient study progress each year to remain entitled to your permit.

Find out how to arrange your student housing. Make sure to start early.

Leiden University enjoys an excellent worldwide reputation, built on more than four centuries of outstanding teaching and research. The university has two locations: Leiden and The Hague. Our International Studies programme is located in The Hague, a centre of international and national policy making…