The aims of the project are to: further clarify 'inhibition by safety'; explore and describe all possible sagety factors, with a special focus on the primary human safety source: social connectedness; reviewing prolonged stress responses without stressors.

There are times when an insolvency practitioner has to weigh his role in administering bankrupt estates. This was the message of Professor Reinout Vriesendorp's inaugural lecture that took place on 24 June 2016. According to Statistics Netherlands, 5,271 companies were declared bankrupt in 2015.…

There are times when an administrator has too weighty a role in settling bankruptcies. This is the message of Professor Reinout Vriesendorp's inaugural lecture on 24 June.

When galaxies collide, do the black holes at their centre form a supersized black hole? This is what we think happens, but it's not as simple as that, according to Simon Portegies Zwart. Zwart, computer scientist and astronomer, has been awarded a VICI grant to research this phenomenon.

In the Netherlands it is now possible to visit non-essential shops if you make an appointment beforehand. But when you book an appointment you have to provide a lot of personal data. Are shops allowed to ask you for all this data and what happens to it?

May 12 is Mother's Day in many countries. Becoming a mother is no mean feat: brain scientist Elseline Hoekzema has shown that a woman's brain changes drastically during pregnancy. She explained how in TV show De Kennis van Nu.

In a new Leiden-Delft-Erasmus Universities white paper, researchers and practitioners start the conversation that society desperately needs to have. ‘We’ve outsourced the visionary thinking to tech companies.’

As a result of the refugee crisis and the terrorist attacks in Paris and Brussels, the Royal Netherlands Marechaussee (RNM) is stepping up immigration controls in the Dutch borderlands. These measures are part of the so-called Mobile Security Monitor (in Dutch: Mobiel Toezicht Veiligheid), “Schengen…

As a result of the refugee crisis and the terrorist attacks in Paris and Brussels, the Royal Netherlands Marechaussee (RNM) is stepping up immigration controls in the Dutch borderlands. These measures are part of the so-called Mobile Security Monitor (in Dutch: Mobiel Toezicht Veiligheid), “Schengen…

Every week, Uwe Hensch walks past the Old Observatory in Leiden. In corona times, he decided to make a LEGO design of the historic building. His design is now finished and might go into production. You can help to make it happen.

Alumnus Maarten Asscher (60) is mentor of the month. He studied Law in Leiden and has worked as a literary publisher, senior official at the Ministry of Education and director of Athenaeum Booksellers. Will he be your mentor?

IAt the Criminal Justice Public Lecture on 20 April, Professor of Law and Society Maartje van der Woude spoke about her research into decisions and practice in relation to intra-Schengen border areas and the free movement of persons. The thinking behind the Schengen area is that where the external borders…

Anyone who has taken a walk through the centre of Leiden before might have come across him, an attentive group of tourists gathered around. After studying history, Koen van Toen, or Koen Marijt, started his own business. He now organises historical walks, among other things.

Wat gebeurt er op het schoolplein? Sensoren op kleding openbaren pijnlijke patronen

On 18 January 2020 Christa Tobler took part in a fireside talk on the above-mentioned topic, together with European Parliamentarian Andreas Schwab, Swiss Parliamentarian Eric Nussbaumer and German Ambassador to Switzerland Riedel.

In August 2022 we welcome our new colleague Dr Letty ten Harkel as Assistant Professor in Roman and Post-Roman Archaeology. For the past ten years she has built up an impressive track record in the School of Archaeology at the University of Oxford. Read the interview about her background and research…

Lecture, Museum Talks

Lecture, Applied African Linguistics

Lecture, Applied African Linguistics

What does an unequal society lead to if it's not responded to by politicians? What happens when people are no longer waiting for something good to happen to them? An international perspective can give us possible answers.

The formation of stars and planets happens over multiple scales, which can interact. In particular, planet formation happens in the dense, complex environment of star forming regions.

This project asks how individuals and society dealt with personal memories of the Dutch Revolt: narrating, writing, explaining, understanding, and coming to terms with what happened by first and following generations.

Although our anniversary of 450 years of Leiden University officially begins on the Dies Natalis on 7 February 2025, several special events have already taken place.

The coronacrisis makes painfully clear that a transboundary crisis requires a transboundary response. The European Union could play a key role, but that has not happened so far. Political scientist Amy Verdun (Leiden University) explains why.

How can we extend the drug residence time to combat diseases more effectively?

Relevant safety issues are associated with hazardous materials transportation, especially when transport routes cross populated areas. This article for the Journal of Loss Prevention in the Process of Industries analyses a 2015 accident with a freight train in Tilburg, comparing it to the Viareggio…

The basic concern that informs every part of the research is in wonder of what happens when sound happens as an aesthetic force. The emphasis of each query lies on the active occasion, the radical empiricism, the moment of encounter, how the sonic event comes to pass as aesthetic force.

How can we help children and adults to acquire better reading comprehension? Paul van den Broek and his colleagues at the Brain and Education Lab are searching for an answer to this question by investigating reading and the related brain activity.

From now on, you can listen to the intriguing stories of our staff any time you wish! On this page you can find out more about the new podcast series of the faculty of Humanities.

Address and contact information.

Fake news is becoming more and more prominent now that social media allow for an endless stream of unfiltered content to reach us. But what happens if we can no longer distinguish the truth from the lie?

When people migrate, they leave an old environment behind and move to a new one. What exactly happens? How do the migrants feel? How does the host society respond to them?

LIAS faculty teach and carry out thesis supervision in many programs.

What is the origin of solar systems?

Alumni can sign up for Leiden University’s alumni newsletter to keep up to date with what’s happening in the University.

To make digital communication more secure, we need to tighten up the legal frameworks and identify the biggest cyber threats.

What is the mechanism of action preceding a physiological effects induced by metallic nanoparticles?

Are terrorist suspects willing to reintegrate back into society? Can they reintegrate?

The Van Vollenhoven Institute for Law, Governance, and Development and the Grotius Centre for International Legal Studies organised the Van Vollenhoven Lecture 2013.

What is the most effective way to eliminate tumour cells? The DNA repair mechanism could play an important role in increasing the effectiveness of chemotherapy in the fight against cancerous cells. If we are to influence this mechanism, we need fundamental knowledge about how the mechanism works.

Vitelli

Promotor: W.Th.F. den Hollander, Co-promotor: F.R. Nardi

The research of the Algebra, Geometry and Number Theory programme ranges from fundamental mathematical theory to algorithms and applications.

The Women of Ramesside Deir al-Medina

The research connected to this topic is related to Work and health.

Turkey's Belle Epoque and the Transition to a Modern Nation State

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

What does the excavated material tell us about the continuation and/or change of urban life during the transitional phrases from Antiquity to the Middle Ages on Crete and in the eastern Mediterranean more generally?

Because we cannot directly ask babies about what they know or what they are thinking about, we must find smart and baby-friendly ways to figure it out! Below you can read about the different methods that we typically use in our studies.

Knowing how to resolve global problems is one thing, but how do you make sure that it actually happens? That’s the real challenge, because there are powerful movements everywhere that want to reconstruct the walls of nation states. In an attempt to resolve this issue, Leiden researchers are experimenting…