This is an Erasmus+ International Credit Mobility project of the Faculty of Humanities with three partners in Uzbekistan.

Occupational health in the Emergency Department

In 2015 the U.S. Environmental Protection Agency revealed that German car manufacturer Volkswagen had illegally installed software to produce fake NOx-emissions results. This study aims to analyze how the German news media framed VW’s role.

Data Science

The digitisation of society is a worldwide challenge. Not only are robots increasingly taking over human tasks, they are even beating the world champion at solving the most difficult brainteasers.

How many men and women die per year at the hands of others? What are the motives behind these killings? Are there as many homicides today as years ago? How can we explain the rise and fall of homicides over time? And: What is the influence of (early) childhood and adolescence on the likelihood to commit…

The main objective of the Telders Competition is to challenge students to excel in international law, consequently testing their creativity and powers of persuasion orally and in writing in a friendly competition.

The research program of the QO group has three leading themes: Optical Physics, Quantum Optics, and Photon-Matter Interactions. We work mostly at the boundaries between these themes with entanglement as a bridging and binding agent.

Our research primarily focuses on the early universe and its origins in theories that go beyond the Standard Model of particle physics.

The integrity and reliability of academic research are of fundamental importance to the university.

Aristotle's Poetics: the oldest and most influential work of western literary theory.

The Europaeum is a network of 17 leading European universities, whose aim is to bring together talented students and teachers and to promote a 'European feeling' through cooperation and academic mobility.

European countries struggling how to deal with the issue of returning foreign fighters, women and children from the Caliphate.

This is an Erasmus+ International Credit Mobility project of the Faculty of Sciences with one partner in Ukraine.

A new research line is the development of liquid biopsy fingerprints to predict early Alzheimer’s disease (AD) stage in human in readily accessible body fluids in human (in collaboration with: Dr. Geert-Jan Groeneveld, CHDR; Prof. Elga de Vries, Free University Medical Center; and others).

What are ‘missing links’ in research on teacher professional development trajectories? We focus on the role and development of teacher facilitators in designing and implementing (collaborative) professional development trajectories.

The Business, Technology & Public Policy research group of the Department of Business Sciences at Leiden University focuses on investigating the dynamic interaction between 'new' technologies and various stakeholders, including consumers, employees, and businesses. Our research delves into perceptions,…

Leiden University is celebrating its 450th anniversary in 2025 with a feast for the eyes, ears and spirit. The anniversary year opens with an extra special Dies Natalis on 7 February. Highlights includes an alumni festival, three exhibitions and a canal concert.

The CEES Centre regularly hosts (guest) lectures, roundtables, and film screenings.

Our solar system probably evolved in the same way as most of the other planetary systems around us. This has been shown by German-Austrian-Dutch research on more than 870 planet-forming disks in the Orion cloud A. The five researchers, including three from the Leiden Observatory, published their findings…

The research of our group is centered around dynamical systems, functional analysis and their interplay.

With an MSc in Mathematics from Leiden, doors open worldwide. You’ll graduate with a solid theoretical foundation, strong problem-solving skills, and experience working in an international environment. Each track concludes with an individual research project and master’s thesis, an excellent preparation…

The KLM Urban Trail Series is a hugely popular series of running trails in the Netherlands that are a unique way to explore a city centre. This year Wijnhaven is opening its doors to the runners. Join in with the fourth edition of the KLM Urban Trail in The Hague on Sunday 7 July.

Aetiologies seem to gratify the human desire to understand the origin of a phenomenon. However, as this book demonstrates, aetiologies do not exclusively explore origins.

As a part of NVIC's film & lecture program, you can join a public film screening on Sundays at 6:30 pm, and a lecture on Thursdays at 6 pm. Seats are limited and we work on a first-come, first-serve basis. Our doors open 30 minutes in advance, and close 15 minutes after starting time or earlier in case…

Leiden University opened its doors in 1575 – the very first university in the Netherlands. The law faculty was involved from the start and so in 2025 they, too, were celebrating their 450th anniversary.

The Algebra, Geometry and Number Theory specialisation offers excellent preparation for a career in research and is a strong foundation for pursuing a PhD. At the same time, the skills you develop open doors to diverse career opportunities outside academia.

Inspiring and relaxed – these are qualities that describe the Netherlands perfectly. At the same time, there is much more to say about the country. For instance, according to the 2018 UN Human Development Index, the Netherlands is ranked tenth among the best countries to live in.

LUCL has published its Self-Assessment report based on the Strategic Evaluation Protocal (SEP). The Self-Assessment covers the years 2018 - 2023.

Each year ACPA organizes a few events such as symposia, collegiums and conferences with partner institutes such as Orpheus Institute in Ghent, the University of the Arts The Hague and the PhDArts programme. An overview of some of these projects can be found here.

The research group Organizational & Entrepreneurial Behavior investigates the behavior of individuals and groups who start, work in, or lead organizations, in order to inform organizational practice. By focusing on the behavior of (groups of) employees, entrepreneurs and leaders, the main levels of…

The major aim is to develop, evaluate, and implement disease-generic cognitive-behavioral interventions through the internet in order to optimize tailored health care for patients with chronic somatic conditions.

In our HANDS!Lab for Sign Languages and Deaf Studies, we run projects pertaining to sign language linguistics with a focus on Africa. In addition, we are running projects on sign language teaching, tactile signing, deaf people’s experiences with the legal system, and deaf history.

This research aims to investigate how different social forces interact with hydropolitics in the Eastern Nile Basin and what are the constraints of engagement.

This PhD-thesis analyses the relationship between the parties’ choices in the CPB Netherlands Bureau for Economic Policy Analysis’ assessments of the election manifestos and coalition agreements over the period 1986-2017, and tries to explain this relationship.

We are interested in understanding the mechanics of soft materials, of which biological materials are prominent examples.

Nadine Akkerman's book Invisible Agents is the very first study to analyse the role of early modern women spies. The book foregrounds the agency of early-modern women, offering a corrective to the gender bias implicit in modern historiography.