We are saddened by the news of the unexpected passing of prof.dr. Pieter Sjoerd van Koningsveld on 28 July 2021.

Indira Huliselan recently joined the Institute for History as a PhD candidate within the research project 'Roman Fake News? Documentary Fictions in the Roman Empire'. Below, she introduces herself.

On 12 May, Joachim Koops, Professor of Security Studies and Scientific Director of the Institute of Security and Global Affairs (ISGA), was invited to brief the United Nations Department of Peace Operations in New York on the situation in Ukraine, options for the protection of civilians and lessons…

Making migration a key campaign issue in the recent Dutch general elections is one thing, but turning it into actual policy is another. ‘95% of Dutch immigration legislation is governed by European law’, says Emeritus Professor Peter Rodrigues in Dutch daily newspaper 'Trouw'. In short: political parties…

How feasible is the new migration deal and is it really the breakthrough politicians like Mark Rutte claim it to be? Dutch television programme Nieuwsuur asked various experts, including Mark Klaassen, for an answer to that question.

For every period, it is a challenge to unearth the details of political trafficking; yet the effort needs to include all relevant persons, groups, and institutions – not only those wielding formal responsibilities. We hope to reinvigorate this effort by inviting specialists to present their research…

Different groups of hominins probably learned from one another much earlier than was previously thought, and that knowledge was also distributed much further. A study by archaeologists at Leiden University on the use of fire shows that 400,000 years ago knowledge and skills must already have been exchanged…

Hanan Hammad and Eftychia Mylona give a master class focusing on conceptual and methodological challenges in writing histories of marginalized social groups.

Cancer immunotherapy represents a significant breakthrough in cancer treatment. However, tumors have numerous mechanisms by which they evade destruction by the immune system. It is therefore necessary to decipher and reverse these mechanisms in order to improve immunotherapies.

On Monday we welcomed our students to the faculty with hearts, chocolate, and asking them to take the National Student Survey (NSE). A combination of Valentine’s Day and the start of the NSE campaign week – encouraging students to take the online survey.

From 23 to 24 February 2023, the Conference ‘The Future of the European Security Architecture: The CJEU’s decision on Passenger Name Records and beyond’ took place at the KNAW in Amsterdam.

Many traces of the city's slavery history can be found in Leiden but the public isn't always aware of them. The initiators of 'Mapping Slavery in Leiden' want to change this with guided tours and street markers. Representatives of the University and other Leiden institutions will be giving the first…

In Indonesia, some Muslim preachers are TV stars with massive followings. Syahril Siddik studied how they operate and how their viewers react. On 9 November, he successfully defended his dissertation in Islamic Studies.

While investigating 16 years of images of young stars from a retired astronomical camera, Leiden master's student Sam de Regt discovered that two of those stars were still enveloped in birth clouds. Never before has anyone captured these two stars in so much detail. He publishes his data-cleaning method…

The Dutch conservative VVD party plans to make the right to family reunification more difficult for people with temporary residence permits. In Germany, this restriction led to several lawsuits which were won by status holders. Mark Klaassen, Assistant Professor in Migration Law, believes this is a…

With support of several publishers and private foundations, Leiden University Libraries (UBL) and the Scaliger Institute welcome around 15 to 20 Fellows and guests per year to consult and research materials from our Special Collections. The Scaliger Institute received many applications this year from…

Research

In the University elections in April, the eight student seats on the University Council have gone to six parties, and newcomers the Liberal Student Party and the Party for Biomedical Students have each won one seat.

What is life like as an academic? Twelve PhD candidates will report on their daily work in videos and blogs on the Faces of Science website (in Dutch). They include three researchers from Leiden who are researching topics such as North Korean support for African liberation movements, how differently…

Despite considerable progress in the design of multifunctionalized nanoparticles (NPs) that selectively target specific cell types, their systemic application often results in unwanted liver accumulation. The exact mechanisms for this general observation are still unclear.

What developments preceded modern Standard Dutch? PhD candidate Iris Van de Voorde conducted research on ‘pluricentricity’, or the idea that language norms arise in different places and spread outwards from there. PhD defence on 19 April.

Op welke manieren kan inclusieve communicatie ervoor zorgen dat mensen zich welkom voelen? Hierover ging het D&I-symposium van Universiteit Leiden.

Several of the most important manuscript collections in the Leiden University Libraries (UBL) Special Collections, comprising 443 extremely rare and often unique volumes, have been made available in Open Access via Digital Collections. The available manuscript collections include the private collections…

When internist Christian Blank made his very first discovery, his field of immunotherapy was the underdog of cancer research. Now, over 20 years later, Blank has been appointed Professor By Special Appointment of Internal Medicine for his clinical research into immunotherapy and will give his inaugural…

Conference

LUC historian Jacqueline Hylkema unmasks forgeries from the early modern Dutch Republic in the research project "Mapping the Fake Republic".

Conference, First Annual Symposium of the Leiden Jewish Studies Association

Lecture, LUCIS What's New?! Series

In a lecture for the University of the Netherlands, Reijer Passchier, assistant professor in constitutional and administrative law, speaks about the state of our democracy. ‘Is it not time to upgrade our democracy?’

Buying chocolates as a sign of love, getting the best deals on Black Friday and putting on a spooky costume for Halloween. In recent years, these holidays and traditions have taken off in the Netherlands, even though they originated on the other side of the ocean. Why are we so excited about American…

According to Russian propaganda Ukrainians are Nazis and people from the West are Satanists. Egbert Fortuin thinks we should take this propaganda seriously.

A bloody civil war has raged for years in the Central African Republic. PhD candidate Crépin Mouguia points out a tragic pattern: young people have been recruited as fighters or soldiers for generations and thus fuel the conflicts.

The book ‘The Best of Times, The Worst of Times: Futures from the Frontiers of Climate Science’ by Paul Behrens has been launched in the US, a year after its original release in Europe. In his book, Behrens describes both hopeful and pessimistic scenarios for our planet.

The EU Return Directive gives migrants residing unlawfully in the European Union the option to leave voluntarily. This is to avoid detention and forced expulsion. But the directive is too vague and can lead to unfair procedures and even human rights violations, PhD candidate Christian Mommers conclu…

A patent for what may be a potent, new antibiotic. And: a clear overview of promising approaches to overcome a crucial resistance tactic employed by bacteria. In the span of one week, two researchers from Leiden are receiving their PhDs, each of them on an important step in the battle against bacteria…

Sex and power are closely linked, and this was certainly true in the former Dutch colonies. PhD student Sophie Rose investigated how sexual and love relationships influenced eighteenth-century power structures there. 'You can see that there was constant fighting over who stood where in the social hi…

Research & Politics (RAP) is a peer-reviewed open access journal which focusses on research in political science and related fields through open access publication of the very best cutting-edge research and policy analysis. The journal achieved a high score for the impact factor, which puts it in 49th…

Lecture, LUCIS What's New?! Series

Seminar

Inaugural lecture

Debate

Lecture

Lecture

Debate

Lecture, LUCIS What's New?! Series

Professor Caroline Vout, Cambridge University, was awarded the Leiden University Byvanck Chair in 2020. In a pre-Covid-19 world, the Byvanck Chair would stay in Leiden for seminars, lectures, and research activities. Instead, the pandemic disrupted this schedule. Last month, Vout taught her masterclass…

Maurits Berger's new English-language podcast, Matters of Humanities: History of Islam in Europe covers no fewer than thirteen centuries of history. In eight episodes, professor of Islam and the West Maurits Berger argues that the Islam and Muslims are an important part of European history: ‘That was…

Most people talk about truck drivers rather than to them. That’s an error of judgement, says PhD candidate Anke van der Hoeven, who explains why we should be making their lives easier. ‘People just don’t realise it, but they’re an invisible group that keeps the European economy running.’