CERQ is a questionnaire measuring cognitive coping strategies developed by Dr. Nadia Garnefski and Dr. Vivian Kraaij.

Een minuscuul cirkelvormig stukje DNA zorgt ervoor dat de darmbacterie Clostridioides difficile resistent raakt tegen een veelgebruikt antibioticum. Dat ontdekten wetenschappers van het Leids Universitair Medisch Centrum (LUMC) nadat artsen hen attendeerden op een patiënt met een moeilijk behandelbare…

Op donderdag 17 april 2025 neemt prof. dr. Marco Mostert, Hoogleraar Middeleeuwse Geschiedenis aan de Universiteit Utrecht afscheid.

The EU and Switzerland have negotiated a broad package of agreements that awaits formal signature by the parties.

Tussen 14 en 30 september 2022 wordt Het Land van Belofte gespeeld door Theatergroep De Kale. Het Land van Belofte neemt u mee naar de groteske verhaalwereld van middeleeuwse pelgrims naar het Heilig Land. Het Land van Belofte is gebaseerd op het zestiende-eeuwse tafelspel Schipper, Pelgrim en Post.…

Researchers from Leiden University have investigated the living conditions of Dutch fighters in Syria. Their report is central to a panel discussion on Tuesday, 24 May.

Vacature (vrijwillig/stage)! 💬 Jij gaat het klimaat centraal zetten tijdens de verkiezingen van maart 2021. 📈

How did Leiden University score in terms of sustainability this year?

Dutch households, especially those on middle and high incomes, pay billions of euros more in tax than promised in election manifestos. Companies, on the other hand, generally pay less tax than initially announced. These are the conclusions reached by Wilmar Bolhuis, PhD student at Leiden University.…

Anthropologist Marieke Slootman received the NSV Dissertation Prize 2015 for her dissertation on ethnic identification among Moroccan and Turkish Dutch.

Tachtig academische papers, 270 deelnemers en vier rondetafelgesprekken over het aanpakken van mondiale problemen. De tweede conferentie van het interdisciplinaire onderzoeksprogramma Global Transformations and Governance Challenges werd groots opgezet. Wat vonden de deelnemers ervan? Bekijk het in…

Op 11 februari werd tijdens een symposium bij De Brauw Blackstone Westbroek het eerste exemplaar van het boek ‘Corporate Structuring’ gepresenteerd aan uitgever Gert-Jan Schinkel.

‘Violence as a Population Health Problem’ is one of 33 interdisciplinary projects that have been launched thanks to a Kiem grant. The project team will analyse a large patient database to identify links between violence and other health problems. ‘Violence can also be an expression of other factors,’…

Leiden University celebrated the Relief of Leiden with the 3 October University. This year the University also took part in the festive parade, to promote 444.

It is time for the international community to put a stop to war crimes – especially against medical personnel, argued international chair of Doctors Without Borders Joanne Liu in her Cleveringa lecture.

Researchers from Leiden University are working with Ouwehands Zoo to improve our understanding of emotions and intelligence in orangutans. Visitors to the zoo can now watch orangutans as they play with computer touch screens.

Recently, some changes have been made to the catalog of Leiden University Library, making more than 1000 digitized codices more accessible than before. The 'Inventory of Western Medieval Manuscripts Held by Leiden University Libraries,' created by manuscript curator André Bouwman, is also now available:…

Dubbel asiel aanvragen mag niet. Toch draagt Nederland slechts één op de vijf asielzoekers over aan andere landen tijdens een lopende asielprocedure. Dat blijkt uit cijfers van de Immigratie- en Naturalisatiedienst (IND). Universitair docent Mark Klaassen sprak hierover met EenVandaag.

Op donderdagmiddag 15 mei 2025 organiseert Universitaire Bibliotheken Leiden het symposium ‘De Middeleeuwen als inspiratiebron’. Aanleiding voor dit symposium is de publicatie van het rijk geïllustreerde publieksboek 'Schatten op schrift, 50 manuscripten uit middeleeuws Europa'.

Wil je onderzoeksideeën en nieuwe publicaties in informele setting met vakgenoten bespreken? Meld je dan aan voor deze nieuwe seminar-reeks! Elke laatste woensdag van de maand komen we samen, afwisselend op locatie en online. De eerste bijeenkomst zal plaatsvinden op woensdag 26 oktober van 16:00 tot…

Monday June 18th the department of European Prehistory of the Faculty of Archaeology started a five-year research (2018-2022) of two newly discovered barrow groups: Baarlo-De Bong and Venlo-Zaarderheiken (northern Limburg).

Wim van Saarloos will become Vice-President of KNAW with effect from 1 September 2016. He will also take up the post of Professor of Theoretical Physics at the Faculty of Science at Leiden University with effect from 1 January 2017. He will then relinquish his position on the Board of Governors.

South Africa is suing Israel on charges of genocide in Gaza. The case is being heard at the International Court of Justice in The Hague this week. Professor Larissa van den Herik, an expert in Public International Law specialising in the law on genocide, explains the situation to NOS.

On Tuesday 22 November 2016 at 4.15 PM Clarence Charles will publicly defend his dissertation entitled Calypso Music, Identity and Social Influence:The Trinidadian Experience at the Academiegebouw in Leiden!

On 19 May we received the sad news of the sudden and unexpected death of Willem van Beelen, at the age of 64. He had been the University's beadle for 27 years before retiring on 29 February this year.

Campus The Hague welcomed a group of young professionals in honor of the celebration of 444 years of Leiden University.

The Netherlands will comply with the arrest warrant issued by the International Criminal Court (ICC) against Netanyahu and proceed to arrest him as soon as he enters Dutch territory. Jens Iverson,Assistant Professor of Public International Law, discusses the issue in Dutch daily newspaper ‘Trouw’.

De maatschappelijk onvrede over het Israël-standpunt van het Schoof-kabinet neemt in de samenleving toe. Ook op lokaal niveau vinden de discussies in de raadszalen inmiddels plaats. Boogaard spreekt in de NRC van een ‘ventielfunctie. De gemeente destilleert dingen die in de samenleving spelen en beweegt…

The current ban on setting off fireworks in the Netherlands is inadequate. An offender can only be arrested after setting off fireworks in front of enforcers, who can’t respond to loud bangs in the distance. Mayors from municipalities in the province of Gelderland therefore want to impose a ban on the…

Astronomers want to understand the Universe, from the Big Bang to the present day, and what the future will hold. In Leiden they focus on two key questions: ‘How did stars and planets originate’ and ‘How were galaxies and black holes formed in the young Universe?’ A new generation of telescopes – just…

Leiden University is a centre of migration research, bringing together historians, economists, lawyers, political scientists and anthropologists. They conduct research on who migrates and why, and the impact on societies. They analyse government policy, the role of media and how societies respond to…

In 2023, many of our students and staff won great prizes and secured important research grants.

Join-in courses zijn MA-cursussen over middeleeuwse onderwerpen gegeven binnen vastgestelde MA-programma's van de zes deelnemende universiteiten van de Onderzoekschool. Op aanvraag zijn deze vakken toegankelijk voor studenten van andere (Nederlandse) universiteiten. De cursusbelasting en het aantal…

We would all like to live in a world in which individuals feel safe, conflicts are resolved peacefully and the interests of future generations are taken into consideration. At Leiden University legal scholars investigate to what extent public international law meets the needs of a globalised society.…

Improved molecular knowledge of the mechanisms of processes in the cell can lead to better medicines and new or advanced methods for combating diseases. Our MSc students in Life Science and Technology (LST) specifically learn to understand the molecular and structural chemical and biological aspects…

The programme is structured to guide you from a broad introduction in the first year to thematic specialisation and independent research in your final year. In the second year you will learn more about the four themes: the sustainable city, the safe city, the multicultural city and the healthy city.…

In de uitzending van Café Kockelmann op18 april werd aandacht besteed aan twee belangrijke politieke thema’s: het vertrek van Pieter Omtzigt na 21 jaar uit politiek Den Haag en de roerige totstandkoming van de voorjaarsnota. Wim Voermans, hoogleraar Staatsrecht, was te gast in de uitzending.

The Dutch scientists Quirine Eijkman and Jan-Peter Loof have been appointed vice-presidents in the Netherlands Institute for Human Rights.

The Dutch labour market is struggling with serious shortages in all sectors. Major causes are the ageing population, work pressure, mismatched and unused labour potential, and flex workers. In a joint article in the 'Tijdschrift voor Recht en Arbeid' (TRA), researchers from the Department of Labour…

In the period 1977–2020, the purchasing power of the Dutch population increased by 58 percent. The sharpest rise occurred from 1999–2009 (22 percent). This is the outcome of research conducted by Leiden University and Statistics Netherlands (CBS).

Rector Carel Stolker officially presented the University's Programme for Cooperation with China to stakeholders from the Chinese Embassy, the Dutch government, the private sector, and societal organizations during a China dinner at Leiden University on 11 October.

In a few weeks’ time Carel Stolker will be retiring as Rector Magnificus. In a double episode of the Science Shots podcast, we take stock: what were the key lessons, how has the coronavirus crisis been and of course, what will he do to avoid the post-retirement void? Stolker shares his experiences in…

Assistant Professor Briitta van Staalduinen has received the Best Dissertation Award from the American Political Science Association, Section on Class and Inequality. Her dissertation, Ethnic Inequality in the Welfare State, aims to reconcile the persistence of ethnic inequalities in expansive welfare…

A complex discussion is currently taking place in the Municipality of The Hague. An alderman has shared secret information about a future shelter with a group of select residents, asking them not to share this information with others. Geerten Boogaard, Professor Local Government, talks about the issue…

Following an investigation into plagiarism, Erasmus University Rotterdam has declared the master’s thesis of Dutch State Secretary for Long-term and Social Care, Vicky Maeijer, invalid. Wim Voermans, Professor of Constitutional Law, spoke to Dutch newspaper ‘Trouw’ about the matter.

Het hof heeft geoordeeld dat Malta per direct moet stoppen met het verkopen van zogenoemde ‘gouden paspoorten’. Armin Cuyvers, hoogleraar Europees recht, noemt dit verbod in het NRC ‘een belangrijke en omstreden stap in een tijd, waarin migratie en burgerschap politiek gevoelig liggen.’

Recently, the University of Amsterdam was the scene of pro-Palestinian demonstrations that got out of hand. The demonstrators included rioters who wished to remain anonymous by wearing face coverings. Several experts, including Wim Voermans, Professor of Constitutional and Administrative Law, spoke…

Het Hof van Justitie van de EU maakt duidelijk dat de doorlooptijd bij asielaanvragen in Nederland te traag verloopt. Mark Klaassen, universitair docent migratierecht, zegt in Dagblad Trouw dat personeelstekorten en/of achterstallig onderhoud bij de IND geen reden kunnen zijn voor het verlengen van…

Like last year, Leiden University is the third Dutch university in the 2016 Shanghai ranking. Leiden is ranked 93rd among the world's 500 best universities.

The prosecution of violent fathers is regularly abandoned, supposedly ‘in the best interests of the child’. Assistant professor Mojan Samadi responds in an interview with RTL and Investico: ‘It’s problematic if you accept this argument as a matter of course.’