The ‘spreidingswet’ (dispersal law) has been passed by Dutch Senate and will take effect on 1 February. In the municipality of Westland, however, a majority in the council is unwilling to create 700 extra reception places.

Daniel Soliman defended his thesis on 15 September 2016.

The study aims (1) to track progressive changes over time in trainees, and (2) to identify influences that facilitate or impede trainee development. Systematic information will be gathered on the characteristics of trainees and training programs, focusing particularly on trainees’ experiences in clinical…

Can light-activatable ruthenium compounds be used as a more selective anticancer treatment?

Directing soil life and thereby influencing what grows above ground: that is the expertise of Leiden biologist Martijn Bezemer and his colleague Wim van der Putten (NIOO-KNAW). Their research on soil transplants has been nominated for the Huibregtsen Prize 2023. This prize goes to innovative research…

Professor Ignas Snellen has developed an online platform where exoplanet researchers can post videos about their work: exoplanet-talks.org. ‘For young researchers in particular it’s a way to bring their research to people’s attention.’

A common assumption in chemistry is that the coordination number of a catalyst's surface determines the reactivity of the reaction it catalyses. Strikingly, Leiden chemists have now proven that this is not true for nature’s most simple chemical reaction: the dissociation of hydrogen. The researchers…

Petr Steindl works on quantum dots in microcavities for his PhD research. He manipulates single-photons to create complex structures of light. Applications could include quantum communication and gates for quantum computers.

Archaeologist Jason Laffoon was awarded an NWO Vidi grant for an innovative investigation into ancient migrations in the western Caribbean. The innovative character of this research project lies in the wide-scale application of isotope analysis and isotope mapping. ‘We aim at further developing methods…

Dr Irene Groot (LIC) has been appointed professor of Surface and Interface Science with effect from 1 March. The appointment is an honour for Groot. 'It feels like recognition of your research, teaching and leadership qualities.'

On 22 June, Professor Haentjens held a lecture at the University of Milan. He was invited to speak on the topic of the applicable law to the assignment of claims.

Correctly interpreting the patterns of fire evidence in the archaeological record will illuminate the origin of human fire use.

What is the environmental impact, the human health impact and the life cycle and production costs of the lab, pilot and commercial diffusion of nanowires and nanowire-based photovoltaic technologies?

On Thursday 11 May 2017, Qiang Yu defended his doctoral thesis ‘Market Power and Competition Law in the Software Industry’. The supervisors of the research are Professor T.R. Ottervanger and Professor S.C.G. Van den Bogaert. A brief summary of his thesis is provided below.

People prefer to reward cooperative behaviour than punish egotistical behaviour, even if this egotism has a negative effect on others. This is the conclusion of organisational psychologist Welmer Molenmaker in his research on the willingness to reward or punish cooperative behaviour. PhD defence 19…

The quality of vaccines is still often tested by using laboratory animals. That has to change, according to researchers from Leiden University and the vaccinological institute Intravacc. Together they went searching for a test method that makes animal testing unnecessary. The first promising results…

Pharmacogenetics is nowadays increasingly incorporated in the clinic to better predict pharmacokinetics and optimize dosing regimens of drug treatments. While this approach has been successful and improved our prediction of drug metabolism, drug levels within patients may still commonly deviate between…

Its idyllic setting and white sandy beaches have made the Maldives a hotspot for tourists. This provides an income but is a problem for the fragile natural environment. Students from various universities worked with the local people to make the soil more fertile. How did they go about it?

Two Second Prizes, two First Prizes and even a Grand Grand First Prize. Five Leiden mathematics students and their team leader have performed exceptionally well during the International Mathematics Competition for University Students 2024 in Bulgaria in early August. This even made for a Dutch recor…

Are you eager to learn how to shape governance solutions to complex environmental challenges? Are you passionate about fostering a more inclusive, just and sustainable world? Then this master’s is the right fit for you.

Majorana particles have been getting bad publicity: a claimed discovery in ultracold nanowires had to be retracted. Now Leiden physicists open up a new door to detecting Majoranas in a different experimental system, the Fu-Kane heterostructure, they announce in Physical Review Letters.

The Geneva Conventions and customary international humanitarian law clearly prohibit any attacks on medical units and establishments during armed conflicts. Unfortunately, despite this clear prohibition, medical personnel and medical facilities continue to be the subject of attacks. Doctors now risk…

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.…

On Tuesday 23 May, Jelle van Buuren, assistant professor at the Institute of Security and Global Affairs, was a guest at the Dutch news programme Pauw. As expert on terrorism he discussed the attack in Manchester at the concert of pop star Ariane Grande.

Our Master Law in European and International Human Rights Law (LL.M.) looks at the various human rights protection mechanisms from a comparative perspective

Research at the Catalysis and Surface Chemistry group is comprised of the following research themes:

Higher temperatures are resulting in changes to vegetation and soil in mountain areas throughout the world. An international research team including Leiden ecologist Ellen Cieraad published an article on 25 January in Nature on the disruption to the ecosystem.

Much of the work of Serge Fehr, Professor of Quantum Information Theory, is abstract and theoretical and comprehensible to very few people. But his work helps make the digital world safer so that in future our internet banking will still be problem free, for instance. He will explain more in his inaugural…

During the Conference of the European International Studies Association (EISA) that takes place at 5-9 September 2023 in Potsdam, Germany, both Jan Aart Scholte and Valentina Carraro presented their research. Jan Aart presented his work on ‘Governing the Internet through South-Based Regional Private…

Identifying the gaps in the legal framework for EU activities in the maritime security domain, and specifically in the areas of combating piracy, human smuggling or trafficking and drug trafficking.

The project 'Policing the high seas: maritime law-enforcement in a multi-actor environment' aims to identify the gaps in the legal framework for EU activities in the maritime security domain, and specifically in the areas of combating piracy, human smuggling or trafficking and drug trafficking.

This research paper was requested by the European Parliament's Committee on Civil Liberties, Justice and Home Affairs. It was published by the International Centre for Counter-Terrorism (ICCT) in The Hague. Leiden University is one of the participating institutes in this publication and our researcher…

Leiden Law School is pleased to announce the launch of two new Advanced Master’s programmes: Global and European Labour Law and International Dispute Settlement and Arbitration. The NVAO on-site visit took place at the end of November 2017 and we recently received a positive decision for both progra…

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The European Research Council (ERC) has awarded chemist Dr Alexander Kros a Starting Independent Researcher Grant of 1.4 million euro. He will be using the grant to study how molecules penetrate the natural barrier of a cell membrane. If his research is successful, it will in time bring about a revolution…

Leiden University is ending the experiment with the Binding Study Advice in the second year of the bachelor's programme (BSA 2) with immediate effect. Under the terms of BSA 2, students were required to obtain 90 credits within two years, including their first-year diploma.

Nanoplastics influence the behaviour of larval zebrafish, says new research by the Institute of Biology Leiden (IBL) and the Institute of Environmental Sciences (CML). The researchers observed that a certain type of nanoparticles leads to stress reactions in the sugar balance, resulting in hyperactivity…

The need for novel drugs as well as innovations in their development and application is as urgent as ever. Below we present our vision , mission, and our key research areas.

Cities, Migration and Global Interdependence focuses on inequality in all its forms. You will approach this subject from an intersectional perspective. Since categories of power and identity are always intertwined, the courses in the programme reflect this reality. This means you will study how societies…

Leiden scientists and companies receive 1.37 million euros to develop technology for the Einstein Telescope. This underground telescope will measure gravitational waves and must therefore be extremely sensitive. To that end, the consortium conducts research on the damping of vibrations at temperatures…

These podcast episodes were written for the Green Office’s Spring Podcast competition and miniseries 'Beyond the Safe Space', on the theme: the Planetary Boundaries, which took place between the months of March-May 2023.

Here’s a selection of key publications by members of the CPP:

As a Leiden University’s master’s student in Political Science you conduct independent research and report your findings to fellow academics and, who knows, to a larger audience. Your thesis is a showcase of your academic skills and personal interest, and perhaps even passion. Easier said than done,…

From pipetting in the lab to shining in front of the camera at a global student event. With 8.000 viewers watching the livestream, Marjolein Crooijmans presented the iGEM Giant Jamboree in Paris.

As a university, we offer you the best education you can get. Professors, tutors and lecturers are ready to teach and guide you. But we do more than that. Of course, studying is your own responsibility, but we are happy to help if you need support. You decide what and when; online or on campus. These…

No two pandemics are ever the same. The current coronavirus crisis, for instance, is clearly very different from the deadly plague outbreaks in the 14th and 15th centuries. Can historians learn anything from the coronavirus crisis? And what can we learn at the moment from historians? These are questions…

On September 20 and 21, a conference on the governance of international courts and tribunals took place at Leiden Law School.

Under 18, no alcohol. In spite of this slogan, adolescents still have access to alcohol. But how harmful is that one beer for the adolescent brain? Research, including in Leiden, may provide the answer.