Masses of hamburgers, steaks, cheese and a lot of eggs: Americans love their animal products. But researcher Oliver Taherzadeh discovered that only a relatively small group of high-volume consumers need to modify their diet to achieve an enormous environmental gain.

The ELS lab @Leiden is looking for colleagues to join the newly introduced topic group on Goed Werkgeverschap (‘good employment practices’).

Glycoconjugate vaccines are composed of microbial poly- or oligosaccharides covalently linked to a carrier protein.

Professor of Financial Law Matthias Haentjens is recently appointed member of the European Commission’s Expert Group on Conflict of Law regarding Securities and Claims. The Group’s tasks shall be to assist the Commission with its work on conflict of laws on third-party effects of transactions in securities…

The Event Horizon Telescope (EHT) collaboration receives the 2021 Royal Astronomical Society Group Achievement Award. In April 2019, the EHT team presented the first-ever photograph of the shadow of a black hole. Leiden professor Huib-Jan van de Langevelde has been director of EHT since last year. Three…

To easily take part in group decision-making research, Jörg Gross, Assistent Professor Social and Organisational Psychology, launched a platform that allows students at the social interaction lab. Sign up to receive invitations if you are interested in taking part in on-going scientific studies in the…

On this page the programme and sessions can be found.

On this page you will find an overview of awards and prizes granted to our staff and students in 2025, as well as special appointments at Leiden University and other institutions.

The interdisciplinary, English-taught minor ‘Violence Studies’ looks at violence from very diverse scientific perspectives. What are the benefits from this approach? Students and lecturers evaluate: ‘This minor’s a goldmine’.

On 8 May, the memoirs of Jang Jin-sung are appearing worldwide under the title Dear Leader. Jan Jin-sung was a member of the personal circle of the former North Korean leader, Kim Jong Il. Dear Leader provides a radically different perspective on the workings of the regime, as it reveals the moving…

If you know a crime is about to occur, should you be able to prevent it before it has even happened? This was one of the questions that was posed in light of predictive policing as a form of mass surveillance during the debate in the elective Governance of Crime and Social Disorder class of the Crisis…

In the world of Ancient Greece the interpretation of supernatural signs was a versatile tool to facilitate decision-making. This is the central hypothesis of the PhD dissertation of historian Kim Beerden. Defence on 14 February.

On Thursday 28 January 2016, Prof. Carsten Stahn contributed to the OPCW Sub-Working Group on Non-State Actors, together with Professors Andrew Clapham (Geneva) and Dapo Akande (Oxford), in the presence of the Ahmet Üzümcü, Director-General of the OPCW.

On Wednesday, 5 September 2018, the second group of employees of the Ministry of Infrastructure and Water Management (IenW) started the managerial track of the Data Science course given by Leiden University (LCDS).

Between 5 and 8 September, PhD Candidate Esteban Szmulewicz attended the 45th annual Conference of the European Group for Public Administration (EGPA), which was organised in close cooperation with The Faculty of Law of the University of Zagreb and other key partners.

The annual Computer Applications and Quantitative Methods in Archaeology (CAA) conference is the most important scientific event in the field of digital archaeology.

Promotores: B. Erez, P. Stevenhagen, Co-Promotor: B. de Smit

Mariëlle Bruning, Professor of Child Law, is elected Member of the Expert Group on Responses to violence against children (CAHENF-VAC), which is established to assist the Ad hoc Committee for the Rights of the Child (CAHENF) of the Council of Europe.

On Friday January 13 between 13.00 - 15.00 (room C 1.04 of the Old Observatory) there will be another Leiden Socio-Legal Lecture, entitled 'Constitutional Ethnography, Counter-Constitutions, and the Study of Form, Sediment and Trajectory'.

In October, Sophie Starrenburg was elected as a member of the Coordinating Committee of the ESIL Interest Group on the International Law of Culture. She will work alongside Giovanni Carlo Bruno (Italian National Research Council), Andrzej Jakubowski (Polish Academy of Studies), and Lucas Lixinski (University…

How interest groups, differences in policy issues and institutional differences between countries affect whether public opinion is translated into policy?

Promotor: H.W. Lenstra

Freya Baetens is currently a Visiting Professor at the National University Singapore (NUS). NUS started out as a medical school in 1905, founded by a determined group of businessmen led by Tan Jiak Kim, to serve the needs of the local community. Today, it is Singapore’s flagship university consistently…

Seven prominent North Korean exiles will shed new light on the dictatorial state in a conference hosted by Leiden University on 17 and 18 September. All of the speakers once held high-ranking positions in the regime and now reveal its inner workings.

Dr Kim Duistermaat (NVIC) en Niels Groot (TU Delft)

Elk jaar organiseert het LIBC in samenwerking met de gemeente Leiden een Publieksdag over hersenonderzoek.

SAILS likes to occasionally organise workshops about topics that relate to our programme. On this page you can find more information about previous workshops.

Here you'll find selected publications and media attention from our group.

The better teaching is for pupils and students, the more solid the basis will be that we give them for their future careers. This type of teaching requires strong instructors and insight into the best ways in which pupils can be supported, and research at Leiden University is making a contribution in…

Meet the scientists within the LED3 community

The people behind The Hague Journal of Diplomacy and its online platform.

People already diagnosed with a mental disorder before the COVID-19 pandemic did not show a disproportionate increase in symptoms afterwards. This is one result from the first systematic review of longitudinal studies following their study population from before to during the first eighteen months of…

Why do vulnerable groups fail to make use of benefits that they are entitled to? This is what Max ten Velde researched in his Master’s in Management of the Public Sector thesis, which has been nominated for the Netherlands Court of Audit’s thesis prize.

Many head teachers will have to try and fill staffing gaps this summer. Assistant Professor Kim Stroet, who is researching pupil motivation, is worried about the teacher shortage in the Netherlands, but can see a development that may help solve it.

Promotores: S.J. Edixhoven, F. Andreatta

In this thesis integral points on affine del Pezzo surfaces are studied.