To what extent and how do identity processes influence health behavior?

If you want to maintain a valid penal system, you have to continue to ask the big questions on punishment. Why do we punish people? What is permissible for the government and what is not? Philosopher of Law Jeroen ten Voorde examines these kinds of questions and keeps his academic colleagues and the…

In the Netherlands judges are not the only ones to impose sentences. The Public Prosecution Service and the authorities can also pass sentences. Experts from Leiden research how these sentencing processes work and how they can be improved in order to protect the legal status of the public.

If researchers make their data FAIR, computers can link large quantities of data and identify patterns, thus greatly accelerating the process of arriving at new insights. In Leiden, the birthplace of ‘FAIR data’, Professor Barend Mons explains the meaning of this term.

The Netherlands is not particularly rich in ‘wild nature’. Comparatively, what we have is a lot of intensively used agricultural land. This means that from nature’s perspective there much to be gained by combining the ‘nature’ and ‘agriculture’ functions. Not an easy task in such a densely populated…

Corruption, integrity (or a lack thereof…) and public values are near omnipresent elements in public administration and politics of all times. Cases of corrupt public officials and politicians continuously emerge. Strangely enough, however, it often remains unknown what actually occurred, how something…

Local settlement system and social structure in the roman period at Oss (the Netherlands).

Understanding what motivates foreign fighters to go and fight in war zones and analysing their social environment offers a basis for preventing them from going.

We offer a unique master’s programme because it places equal importance on environmental sustainability and governance perspectives. All core courses are co-developed and co-taught by staff from two different faculties. Combined with the extensive skillset and the explicit focus on inter- and transdisciplinarity,…

The chain that supplies patients with new medicines consists of various complex links: from fundamental research to clinical tests and production. This entire chain is represented in Leiden. Leiden University, the Leiden University Medical Center (LUMC), and the companies on the Leiden Bio Science Park…

This research investigates the changing landscape and land use in two case studies of the coastal villages of St. Kitts and the Kalinago Territory of Dominica. By integrating human and ecological aspects of agrarian landscapes, this research analyzes how land degradation or land change impacts cultural…

Machine learning - on classical computers- has made great progress in the past five years. Computer translation of speech and text is just one example. In Leiden, some researchers expect that machine learning, empowered by quantum systems, even if they only contain a few dozen qubits, can lead to a…

The effects of many treatments are determined, to a significant degree, by factors other than the medicine or treatment itself. For example, placebo effects can be equal to the effect size of for example antidepressants or painkillers. Contributing factors are the trust placed in the doctor, the expectation…

Simulations of galaxies help researchers understand astronomical observations better. The EAGLE simulation, a large project in which Leiden astronomers play a leading role, shows the evolution of the Universe, from just after the Big Bang to the present day.

Taking the changing landscape of international cyber security and cyber conflict as a point of departure, The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic changes and challenges…

With each discovery that is made, the universe reveals a fraction of its secrets: the most distant galaxies and quasars, the atmosphere of exoplanets, evidence of dark matter, complex molecules in space. This is what fills the days and nights of the researchers from the Leiden Observatory and their…

Han De Jong gave an overview of (the run-up to) the current economic crisis and discussed which steps could be taken to resolve this crisis.

How do inclusion and exclusion affect people?

The research programme Formal Theoretical and Experimental Linguistics brings together LUCL researchers who focus mainly on formal theoretical and experimental linguistics.

Smart algorithms and powerful processors are just as essential for astronomy as big telescopes. Astronomers at Leiden University therefore constantly operate at the interface between astronomy and data science.

Some people are predisposed to develop cancer. Mutations in genetic material that increase a person’s chances of developing cancer can already be present at birth. Researchers are closely examining these mutations to learn more about how cancer begins to develop.

‘Islam and Muslims are not something that happened to Europe; they are part of Europe. In fact, Islam is one the biggest constants in European history,’ argues Professor Maurits Berger in the new eight-part Matters of Humanities: History of Islam in Europe podcast series of the Leiden University Faculty…

Regenerative medicine is a new way of treatment that helps impaired cells, tissues, and organs work well again. We do this by repairing, replacing, or restoring cells, tissues, and organs after damage from illness or injury. This includes treating long-term diseases such as diabetes, kidney diseases,…

Hidden behind the Academy Building on the Rapenburg lies the oldest botanical garden of the Netherlands and one of the oldest gardens in the world. Founded in 1590 and expanded in the following centuries, the Hortus is the green heart of Leiden.

With many kilometres of beaches, hundreds of sights, excellent restaurants and lively cafés, the Hague really is a cool city to live in. However, arranging accommodation can demand a lot of time and effort for Dutch and international students. For this reason, finding a place to stay is one of the first…

The specialisation in European Union Studies offers students an opportunity to study the processes of European integration from a multi-disciplinary perspective and combines academic excellence with practical insights into the processes of policymaking in Europe.

Port City Futures is an initiative of the Leiden-Delft-Erasmus Universities collaboration. The program investigates the evolving socio-spatial conditions, use and design of port city regions, in particular exploring areas where port and city activities occur simultaneously and sometimes conflict.

The Political Science degree programme at the University of Leiden has a strong academic reputation. You will be taught in an international classroom by experts in their field.

Our Advanced Master Air and Space Law (LL.M.) combines public air law, private air law and space law from a European and an international perspective.

The progression of EU law: Accommodating change and upholding values Coordinator: Dr. Moritz Jesse

Diversity and inclusion are core values of Leiden University. Leiden University is committed to being an inclusive community which enables all students and staff to feel valued and respected and to develop their full potential. Here we state the vision of the Mathematical Institute on diversity, equity…

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…

Persistent somatic symptoms are long term symptoms that lack a clear medical explanation. These symptoms have a high prevalence where most people know someone who experiences such symptoms or they experience such symptoms themselves. Symptoms can vary greatly in and between people. While one person…

At Leiden University, researchers from all disciplines work together to find answers and design innovations in the field of artificial intelligence.

Leiden University archaeologists are reconstructing houses from the Stone Age, using only resources available during that period. This method offers surprising insights into the ingenuity of our distant ancestors, and challenges existing archaeological views.

Studies on the Disappearance of the Amphora Phenomenon

Rent Subsidy is a tax refund provided by the Dutch Government, to people who rent a room or a house but don’t have a sufficient income. The rooms in the Anna van Buerenplein qualify for rent subsidy. The amount of money that students receive depends on their apartment size, the rent amount, and the…

BSc Security Studies is a bachelor’s programme with a compulsory matching module.

Political Science: National and International Politics is a broad study with a lot of depth. You will study political issues at the local, national and international levels, from a variety of perspectives. You will be taught by renowned, committed professors. In Leiden you will find a real student city…

In a recent TEDx Flanders event “Statistical Errors in Court”, Statistical Scientist Richard Gill speaks about the case of Lucia de Berk, a nurse found guilty of several murders based largely on statistics.

Announcement for employees of Campus The Hague:

Antwoord op veelgestelde vragen over onderzoek met proefdieren bij de Universiteit Leiden. FAQ

What happens to the different waste streams?

Knowledge and culture subproject 2:

Misinformation spreads easily and fast. It gets presented as news, whereas actual news gets dismissed as fake. Conflicting streams of information allows all sides to cherry-pick whatever is most comfortable, boosting degrees of confidence and confusing the deliberation of both politicians and voters.…

As a graduate of the Faculty of Humanities, there are unlimited possibilities. Do you want to know more about the sectors and jobs Humanities' graduates end up? Click on the name of the alumna/alumnus to read their story!

Since the demonstration over a year ago on the Wijnhaven campus, Leiden University has developed plans and initiatives to create the safest possible work and study environment for our university community. The Executive Board would like to explain what has happened since and what else we can expect…