How can Ronald Mulder run his skates across an ice layer at 60 km/h? His skating blades get help from a lubricating layer of meltwater. In Leiden, physicists found this explanation to be incomplete. Theoretician Hans van Leeuwen and experimental physicist Tjerk Oosterkamp searched for a deeper answe…

The democratic rule of law is under pressure due to a series of scandals and integrity issues, as seen in the recent parliamentary inquiries. Professor Ronald Kroeze explains: 'Public office holders are expected to show complete dedication, but that norm is quite absolute, and what we mean by it is…

van Luijk

Can we make a better vancomycin?

Brothers and sisters within a family, with the same parents, experience their upbringing differently. As well as the impact of their own negative experiences, the way siblings experience their upbringing also plays an important role in anxiety and depression. This is the conclusion reached by Marie-Louise…

Commonplace - Photographs from the Drummond-Fyvie Collection and the Ngilima Collection. By Tamsyn Adams and Sophie Feyder.

Dementia is widely considered a progressive condition associated with changes in cognitive capacities, which promotes the idea that people with dementia need to anticipate end-of-life care preferences. There is a growing body of interventions meant to support advance care planning (ACP) for people with…

In order to reduce the great flow of asylum seekers the Netherlands – and also other European countries – is faced with, the review of the entitlement to family reunification could be tightened. Under current legislation, refugees with a residence permit are – under certain conditions – eligible for…

Suddenly everyone is at home, but this is not a holiday – far from it. Because work and school are ‘simply’ carrying on remotely. How can parents and children keep a cool head? Lenneke Alink, Professor of Forensic Family Studies, gives her advice.

Suspending family reunification of refugee status holders is illegal. That was the ruling of a Dutch court in a case brought by a Syrian woman with asylum status. The (temporary) restriction on entry for family members was one of the pillars of the cabinet’s asylum deal in August.

The world abounds with different footprints that calculate human impact on the environment. Environmental specialist Kai Fang is the first person to have developed a family of footprints that allow better measurement of environmental damage and the depletion of natural sources. PhD defence on 24 Nov…

On 5 July, Mark Klaassen provided the introduction to the webinar of the Family Reunification Network (FRUN) on Unaccompanied children in the family reunification context.

Mark Klaassen has published a blog on EULawAnalysis on the judgment of the Court of Justice of the EU in the case K. & B. of 7 November 2018.

On 12th July 2016, Wim Voermans spoke in the ZDF-heute documentary 'Glamour, Gold und die Liebe: Europas Königshäuser'

A new Graduiertenkolleg opens at the LMU.

Dr. Moritz Jesse, associate professor of European Law at the Europa Institute of the University of Leiden, spoke at the Social integration in EU law: Contents, limits and functions of an elusive notion – Seminar, which was organized as a part of the MOVES – Free Movement of Workers & Social Security…

On Friday 26 August 2022, the Dutch cabinet presented its new asylum agreement. According to Assistant Professor Mark Klaassen, the new agreement is barely legal.

On 17 November 2023, Dr Mark Klaassen participated in a seminar commemorating the 20th anniversary of the EU Family Reunification Directive. The event, initiated by Dr Karen Geertsema and Professor Tineke Strik, was hosted by the Centre for Migration Law at Radboud University in Nijmegen.

She bridges the gap between research and practice, has excellent research skills and is pleasant to work with: these words of praise were lavished on Sabine van der Asdonk (29) when she won the Gratama Science Prize 2021 in June. In this interview she explains more about her research into vulnerable…

Did your grandfather or grandmother also study in Leiden? And your parents, uncles, aunts, brother, sister...?

Did your grandfather or grandmother also study in Leiden? And your parents, uncles, aunts, brothers, sisters...?

Peter Rodrigues contributed a chapter 'Human Rights and the Best Interests of the Child in European Family Reunification Law' in the book by Bergamini E., Ragni C. (Eds.), Fundamental Rights and Best Interests of the Child in Transnational Families.

The first book ever on information-theoretically secure multiparty computation

‘Visibility and secrecy are both valuable tactics and should not be antagonized in LGBT movements, ’ says Jingshu Zhu. Zhu will defend her dissertation on Wednesday 21 February. Time for a short interview with the PhD candidate.

A delegation of the Child Law Department has attended the World congress on family law and children’s rights in Dublin, from 4-7 June. This congress organised once in every four years was hosted by prof. Ursula Kilkelly (University College Cork). Over 600 people attended the congress; professionals…

Most families were utterly overwhelmed when they found out that their son or daughter had suddenly left for Syria, that is what Daan Weggemans, Marieke van der Zwan and Marieke Liem observe in their research on family members of Dutch jihadists.

Five talks will be given during the Leiden Science Family Day: two children's lectures and three lectures for adults. Will you be there ?

During the ‘intelligent lockdown’ in the Netherlands this spring, the respondents in a Leiden study reported a mild increase in their stress levels. This extra stress could have a negative effect on families, particularly if parents already had psychological problems before the corona crisis.

The Van Vollenhoven Institute for Law, Governance and Society (VVI) and the Royal Netherlands Institute of Southeast Asian and Caribbean Studies (KITLV) organize a two-day workshop on Indonesian Family Law on 4 and 5 October.

Although domestic violence often affects multiple family members, parents and children are usually treated separately for their traumatic experiences. In collaboration with women's shelter Rosa Manus, forensic partner the Waag, the municipality of Leiden and their colleagues from LUBEC (Leiden University…

At the initiative and expense of His Royal Highness King Willem-Alexander, Leiden University will be conducting a study of the role of the House of Orange-Nassau in Dutch colonial history. The project will run from 2023 to 2026.

Proceedings of the Eighteenth Annual Theoretical Roman Archaeology Conference Amsterdam 2008

On Sunday 8 October 2023, during the Weekend van de Wetenschap, the Faculty of Science of Leiden University will open its doors to anyone curious about science from 11.00 to 16.00 hrs! Explore a world of wonder and discovery; where science is transformed into an unforgettable adventure. Intriguing…

In the coming decades, more than 2 million social housing units in the Netherlands will receive an upgrade in insulation and heating, in order to increase energy efficiency. To study the environmental, financial and social impact of this energy transition, a team of scientists from three universities…

For many a first-year, student life has well and truly begun. This also applies to students in The Hague, who were thrown in at the deep end during the HOP introduction week. We paid them a visit on a sunny afternoon at Landgoed Clingendael.

Mark Klaassen and Peter Rodrigues have published a journal article on the role of the best interests of the child in EU family reunification law in the European Journal of Migration and Law. They conclude that even though the Court of Justice of the European Union has often referred to the best interests…

The strange tropical plants belonging to the Corsiaceae family first emerged millions of years ago on the supercontinent of Gondwana. That is what Leiden University researcher Constantijn Mennes concludes in an article in the Journal of Biogeography.

What happens to children of extremist parents? Commissioned by the Scientific Research and Documentation Center (WODC) of the Ministry of Justice and Security, four ISGA researchers, Layla van Wieringen, Daan Weggemans, Katharina Krüsselmann and Marieke Liem, wrote a report on the nature and extent…