Research groups in the Quantum Matter & Optics programme investigate electronic properties of matter and light-matter interactions with emphasis on quantum information.

This project looks at material culture to better understand the character and organization of Roman colonial society in the Republican period, with a focus on the colony of Aesernia (founded 263 BC) in Samnium (modern-day Molise, Italy). What impact did the foundation of the colony have on precolonial…

On this page, you can find video's explaining the research of LUCAS members.

The main objective of this research is to map out the cities of the Roman Near East in the imperial period, with a focus on location, city size and urban features, in order to study the form the urban system and its levels of integration.

Psycholinguistic research

Your brain responds in a predictable way when it encounters new or difficult tasks. This unique book teaches you concrete techniques rooted in cognitive science that will improve the way you learn and think about code.

The Hague Program for Cyber Norms, a research program at the Institute of Security and Global Affairs, published its second policy brief, in which Dennis Broeders, Liisi Adamson and Rogier Creemers explore aspects of the relationship between China and Russia in cyberspace.

Animal experiments are not undertaken lightly; we are working with sentient beings. As scientists, we have great responsibility to handle laboratory animals with care. Read here how we consider and justify this.

This dissertation presents the first full grammatical description of bago ts'amakkilo ('mouth of the Ts'amakko'), or simply Ts'amakko. It is a Cushitic language, spoken in Southwest Ethiopia and belongs to the Dullay cluster of Lowland East Cushitic. The number of speakers is about 10,000. The data…

Do you want to know more about the Bachelor of South and Southeast Asian Studies, and experience what it’s like to study in Leiden? Leiden University offers you a variety of introductory activities to help you with your choice of study.

If you choose to study at Leiden University, you will receive proper guidance in making the right choices. That process starts with orientation, and helps you to investigate whether the Archaeology programme is the right choice for you. We have several events and modules to help you explore all possibilities…

Did the Jochids leave their mark on the Grand Duchy, taking into account that the Lithuanian state was one of the main successor states of the Great Horde in the 16thCentury?

Do you want to know more about the Dutch Studies / Neerlandistiek Bachelor, and experience what it’s like to study in Leiden? Leiden University offers you a variety of introductory activities to help you with your choice of study:

Do you want to know more about the African Studies bachelor's programmes, and experience what it’s like to study at Leiden University? We offer a variety of introductory activities to help you with your choice of study.

If you want to know more about Leiden University’s Urban Studies bachelor’s programme and experience what it’s like to study with us, we can offer a variety of introductory activities that will help you choose.

‘I would never want to be treated by a computer,’ says Boudewijn Lelieveldt, Head of Radiology at the Laboratory for Clinical and Experimental Image Processing and Medical Delta professor in the Bioinformatics group at Delft University of Technology. No matter how intelligent a system, we have to continue…

Workshops, lectures

150 years of the Fine Mechanical and Electronics Department—a milestone our instrument makers and electronics engineers can truly be proud of. For a century and a half, they have crafted unique research instruments for the Faculty of Science, making an indispensable contribution to its experimental…

Nuclear Magnetic Resonance (NMR) Spectroscopy is a non-destructive analytical technique that is used to study the nature and characteristics of molecules with an atomic level precision. It has a wide range of applications especially in synthetic chemistry, biological and biochemical research groups…

We are pleased to announce that the ENPAIR Conference 2026 will be hosted and organized by colleagues from the University of Prešov, Slovakia. The conference will take place on 17–18 September 2026 at Galéria Umelka in Bratislava, capital city of Slovakia. The conference the will be:

Frontiers of Children's Rights Summer School

Do you want to know more about the Data Science & Artificial bachelor’s programme and experience what it’s like to study in Leiden? Leiden University offers you a variety of introductory activities to help you with your study choice.

The Faculty of Humanities has two advisory groups for Diversty & Inclusion: one for staff members and one for students.

Alumnus Nick Hortensius started volunteering at the Leiden International Film Festival (LIFF) in his student days. He has since grown with the festival to become head of programming. How does he look back on his student days? And what can we expect from the festival this year?

Laura Kamsma, Head of the International Office of our Faculty kept a travel log during her visit to the EAIE conference. You can read her report here.

You would like to book a hotel room and browse the internet for which rooms and rates are an offer. The rates provided depend on forecasted demand and come about through the use of computer algorithms. However, the rates are often manually adjusted by hotel personnel. What are the consequences and how…

Paul Wouters is not keen on people with a dual agenda. However, for the coming period, he himself will be in that very position. Besides his work as Dean of the Faculty of Social and Behavioural Sciences (FSW), he is temporarily coming to strengthen the Board of the Faculty of Science. Who is this Acting…

Leiden bachelor students analyse data EC soccer Students are now familiar with something sports journalists already knew: summer holidays can be a time of hard labour. Everybody else is lying on the beach, but for you, it is the busiest time of the year. Leiden bachelor students collected the data…

The Dutch museum landscape is among the most forward-thinking worldwide, in terms of innovations in engaging diverse audiences and stakeholders. Building on the museum studies and art history programmes at Leiden University, the Museum Lab explored conceptual and practical aspects of the museum as a…

A meeting place for singing parrots. That is one of the ambitions of Michelle Spierings’ new project. With her awarded NWO XS grant, she wants to test the parrots’ hearing ability. ‘I am curious to see how they can recognise and imitate changing melodies. And it would be amazing to test that with a…

The Leiden LIS Sectoral Income Inequality Dataset, assembled by Chen Wang, Stefan Thewissen and Olaf van Vliet (Version 1.1, March 2014), contains information on multiple indicators of earnings inequality and employment within 9 sectors and 12 subsectors, drawing upon micro data from Luxembourg Income…

Kersti Börjars studied English language and literature in Leiden. She became a professor and now she is Master of the largest college at the University of Oxford: St Catherine’s College. What impact is coronavirus having on St Catherine’s and how has she benefited from her studies in Leiden.

What is the current state of democracy and how do we understand the effects of public support on democracy? The two-day symposium Support for Democracy: Measurement, Explanation, and Effect

Medical Delta has appointed seven professors who will bridge the medical worlds of Leiden, Delft and Rotterdam.

Dr. Mark Dechesne, associate professor at the Leiden University Dual PhD Centre (FGGA) will participate asas work package leader in a large new international project on radicalization among young people in Europe.

The shock wave triggered by one of the five galaxies making up the iconic Stephan’s Quintet appears to be less disruptive than previously thought, with the shock likely being cushioned by dust particles in the surrounding gas. This is according to the analysis of the first scientific observations of…

On the 25th of February, CTC researcher Daan Weggemans participated in a hearing of the permanent commission for social affairs and employment. During the hearing the issue of radicalization was discussed in two sessions. The first session gave members of parliament the opportunity to discuss the manifestations…

The Executive Board of the Institute of Psychology has a new Director of Operational Management. It’s the perfect role for Paula van den Bergh. ‘For me, “connection” is a nice word. If you see the connections between things, you immediately see the logic behind the processes.’ Her career has taken her…

The Centre for Public Values & Ethics (CPVE) is an interdisciplinary, academic centre of expertise aiming to conduct and disseminate scientific research on normative issues in the public sector, in particular the fulfillment of public office and the planning, making and executing of public policy, both…

As of May 2015, Prof. dr. Ad Ijzerman has been appointed as Secretary of The Royal Holland Society of Sciences and Humanities.

The Leiden Jewish Studies Association is pleased to announce a call for nominations for the

Jed Wentz realized a unique concept: 19-th century melodramas for voice and piano.

Missiles that travel at approximately six thousand kilometres per hour, up to 5 or 6 times the speed of sound. Has Russia used those against Ukraine and how is that possible? In Leiden University’s Dutch video series ‘De Werkplaats’, Danny Pronk, political scientist, security expert, and researcher…

The process of forming a new coalition government in the Netherlands continued in the city of Hilversum last week. Geert Wilders has promised to withdraw three controversial own-initiative proposals in order to accommodate potential coalition partners. But is that enough to persuade Pieter Omtzigt,…

At the winter conference of the Dutch Christian student union CSFR, Mark Dechesne, Associate Professor, spoke about the decline in terrorist violence in the Netherlands.

The majority of professors of tax law in the Netherlands have links to accounting and law firms, writes Dutch newspaper De Volkskrant.

As Netherlands Institute for Advanced Study (NIAS-KNAW) fellow, Tesse Stek will explore the intricate relationship between the history of ideas about Roman imperialism and contemporary archaeological interpretation.