How can we promote more durable solutions to protracted refugee situations and which roles can connectivity and mobility of displaced people play to improve protection and resilience?

What are the key technical, social, regulatory, economic, and ethical considerations for scaling up ocean-based Carbon Dioxide Removal (CDR) approaches, and what integrated assessment frameworks and governance structures are needed to facilitate their implementation at scale?

From the microscope to publication, OMERO handles all your images in a secure central repository. You can view, organize, analyze and share your data from anywhere you have internet access. Work with your images from a desktop app (Windows, Mac or Linux), from the web or from 3rd party software. Over…

Born in Europe roughly 100 years ago, quantum physics brought forth a veritable technological revolution through semiconductors, lasers, fibre optics, and many other technologies that are today ubiquitous in our lives. Now, during the second quantum revolution, Europe can take the lead once more in…

Leiden is a real student city! We would love to tell you more about the student life as an Advanced Master student International Children's Rights.

The student life of Leiden is exciting! Join for example a study association to enhance your study experience in Leiden and make new connections.

The volume is one-stop shopping for crisis studies and a number of closely related fields, providing a window onto the latest thinking in the field. The articles reflect cutting edge, state of the art scholarship and pose key questions for research and practical development.

Leiden is a real student city and has everything you’ll need to turn your time as a student into the time of your life. Read more about student life and study associations.

Read more information about Leiden, the student city. The city has everything you’ll need to turn your time as a student into the time of your life!

Leiden is a real student city and has everything you’ll need to turn your time as a student into the time of your life. Read more about student life in Leiden.

In February 2026, Leiden University’s new Sport Centre opened on a prominent new site directly on the Campusplein. Its relocation brings sport visibly into the heart of campus life, with the outdoor fields seamlessly connected to the building. Substantially larger than its predecessor, the centre offers…

The programme is structured along learning lines on environmental sustainability, governance and skills.

What is our place in the Universe? How did stars, planets, and galaxies form? Could life exist beyond Earth? The minor Our Universe invites you on a journey through space, time, and society. You will explore the scientific story of modern astronomy, the origins of life, and the role of the cosmos in…

On this page, you will find the recordings of the Tuesday Talks since April 2025. Recordings of the precursor to the Tuesday Talks, This Week’s Discoveries, are also available here.

To be eligible for Bio-Pharmaceutical Sciences and Education at Leiden University, you must meet the following admission requirements.

To be eligible for Bio-Pharmaceutical Sciences at Leiden University, you must meet the following admission requirements.

Jos F. Brosschot has been appointed as a professor by special appointment on the chair ‘psychophysiological mechanisms of stress in daily life’. This chair has been created by the Foundation for Research into Psychosocial Stress.

It’s election time again on Wednesday 18 March – this time the municipal elections. Two Leiden University buildings are being used as polling stations: Oude UB in Leiden and Spui Campus in The Hague.

Governance of Sustainability is a two-year programme, worth 120 European Credit Transfer System points (ECTS).

Industrial Ecology is the science of sustainability, a discipline which is vital to solving today’s environmental problems. In this two-year MSc programme, we are committed to training students who will go on to play instrumental roles in addressing and positively impacting the world’s sustainability…

Our vision of stress is starting to change fundamentally. We can suffer stress without even being aware of it, while sleeping as wall as during the day. Professor of Psychology Jos Brosschot will discuss this phenomenon in his inaugural lecture on 2 December.

Leiden Journal of Pottery Studies 20, 2004

Which brain cell does what, when Parkinson's disease arises? It won't be long before this jigsaw is solved piece by piece. Ahmed Mahfouz, computational biologist, combines bio-knowledge from Leiden with algorithms from Delft and is getting closer to finding the key.

What is the effect of light at night on plant phenology and physiology, and how does this affect plant interactions with other species?

Interdisciplinary research program exploring Indonesia's sustainable futures through innovative methods, focusing on energy, food, water, digital society, public health, and heritage.

How to access the end-of-supply risk of spare pares using big data analytics

Our research projects address cutting-edge and forward-looking societal challenges at the intersection of law and technology.

The Old Obervatory Leiden is one of the partners of the local learning ecosystem ‘Verwonder om de Hoek’, an educational platform from Leiden that lets school children and families wonder about the world of Nature, Science, Technology and Sustainability. On this page you will find the educational programmes…

Cognitive decline (amongst other problems with attention, concentration, memory) is a common symptom in patients with a variety of brain disorders and has been related to healthy ageing as well. People suffering from cognitive deficits are often significantly hampered in their day-to-day functioning…

Prof. Elizabeth de Lange is concerned with the allocation of resources for the conduct of science towards the goal of best serving the public interest. Also, while she underscores that there is still the need for using animals in drug research, she is concerned about this use, and advocates the use…

Bij de Universiteit Leiden zet onze Onderzoeksgroep violence and violence prevention zich in voor het bevorderen van kennis en begrip op het gebied van geweld en geweldpreventie door middel van interdisciplinaire wetenschappen en innovatieve methodologieën. Onze faculteitsleden zijn toonaangevende…

In STAYAHEAD data-intensive approaches are being developed to ”decode the human immunome” with a focus on a global vaccine strategy. They have developed a rapid mass spectrometric test to analyse in real-time large numbers of variants of SARS-CoV-2 and the host immune response, and use these data to…

1) The in-use construction material stocks of the BRI projects and their temporal and spatial distribution. 2) Environmental impacts (e.g. carbon emission and biodiversity loss) of constructing BRI projects. 3) Socio-cultural impacts of the BRI projects.

Leiden University and the Municipality of Leiden worked together on the development of the Schilperoort Park. This new public space is situated in the north-eastern part of the Leiden Bio Science Park. The park ambience is extended into the adjacent residential area, where former medical laboratories…

This part of the research programme is carried out by Prof. Dr. René Cappers. It focusses on the continuities and changes in the use of plants at Late Neolithic Tell Sabi Abyad, as well as on their implications as proxy evidence for the climate change c. 6200 BC. Parallel to the design of the other…

We aim to provide new insights relating to the spectacular multi-cellular life cycle of streptomycetes and other actinobacteria.

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

Making choices is part of life. You make larger or smaller choices in everything you do, and you progress from one choice/decision to the next. All decision-making processes involve three aspects: making a choice, experiencing that choice and reflecting on it.

The Hague is a lively student city and offers everything you’ll need to turn your time as a student into the time of your life.

LACDR adheres to strict data management rules, with the aim to make our data findable, accessible, interoperable and re-usable. For this reason all LACDR PhD candidates are required to prepare a data management plan and to implement data management rules accordingly. All PhD candidates follow a data…

Read about our recent research projects below.

Leiden is a picturesque university city that’s brimming with history and boasts a student culture that’s tangible just about everywhere. The university has contributed to the city’s unique atmosphere for over 400 years, since its founding in 1575. Leiden’s historical centre is full of student associations,…

ADHD&me is a new cognitive-behavioural therapeutic intervention for young adults (16–25 years old) with ADHD, specifically aimed at improving self-esteem. In this study, we are conducting a Randomized Controlled Trial (RCT) to examine whether this intervention improves self-esteem and whether related…

Leiden University enjoys an excellent worldwide reputation, built on over four centuries of outstanding teaching and research. The university has two locations: Leiden and The Hague. Our Urban Studies programme is based in The Hague, the international city of peace and justice and an ideal environment…

Deze onderzoeksgroep richt zich op het thema ondermijning en financieel-economische criminaliteit, in het bijzonder de aanpak ervan op een aantal deelterreinen.