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.

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.

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…

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?

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.

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?

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.

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…

Dialogue

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.

Address and contact information.

What is the origin of solar systems?

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.

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?

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?

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

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.

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

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.

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

Vitelli

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

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

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

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

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

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.

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?

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…

This article traces the evolution of interpretations of international law and international cyber norms on responsible state behaviour in cyberspace by reassessing five major – and allegedly state-led – cyber operations: Stuxnet 2010; Belgacom 2013-2014, the Ukrainian power grid 2015, the US presidential…

The world is full of wars, and no war is without its dead. What happens to the bodies of fatal casualties of armed conflict? The winner of the faculty Jongbloed Thesis Prize 2015 is Welmoet Wels (Public International Law). Her thesis Dead body management in armed conflict: paradoxes in trying to do…

La Grande Roche is one of the rare archaeological sites that preserved a long sequence of deposits formed at the time of contact between late Neandertals and early Homo sapiens.

A cautious response to a crisis or terrorist act avoids the creation of a culture of fear. This is another way to reduce our vulnerability to terrorism.

Memory, Imagination, and Mimetics in Contemporary Composition and Historical Performance

This special issue of the International Forestry Review talks about how logging really affects society.

In Humanity’s End As A New Beginning, Emeritus Professor Mineke Schipper reflects on myths about ‘the end’.