Theoretical physicists Kevin Grosvenor and Sam Young have won Marie Curie grants for research projects at LION/Lorentz Institute.

KM3NeT is a giant undersea neutrino detector, being deployed in the Mediterreanean Sea. Recently, it hit a six-fold milestone, celebrated with a fitting, double musical production.

When general laws and regulations no longer fit individual situations, can customisation offer a solution? In the special issue ‘Maatwerk' (customisation) of Boom Bestuurskunde, researchers have tackled the questions that customisation brings to public organisations. The symposium ‘Maatwerk onder maatschappelijke…

If you look closely, you may recognise the metal beams from the skeleton of the Circular Pavilion near Leiden Central Station: they come from the demolished Gorlaeus Highrise. The same beams have also been used for the circular construction of BioPartner 5 at the Leiden Bio Science Park, which will…

Climate change and energy transition were an important theme of the Dutch provincial elections: how should we invest in new sources of energy? Leiden University conducts multidisciplinary research into renewable energy solutions. Read more about this in the ‘Renewable Energy’ research dossier.

Ten Leiden museums and heritage institutions have curated the online exhibition ‘Carel’s Universe’. They selected objects from their collections that symbolise retiring Rector Magnificus Carel Stolker and the research in Leiden. With direct references, playful associations and the odd nod and wink.

A thousand-year-old tooth has provided genetic evidence that the so-called

How do you measure over-protective parenting? Why are girls more likely to develop anxiety disorders? And do the social skills of therapists really make a difference in treatment outcomes?

Jasmina Mačkić, assistant professor at the Europa Institute, presented her research during ‘The Dissident’, a live talk show which is organised regularly by World-Talks, on 24th May 2018. The event revolved around the Nigerian human rights defender Justus Ijeoma, the founder of the International Human…

On November 17, 2017, Professor Simone van der Hof gave a duo lecture with her colleague Professor Eva Lievens from Ghent University during the 'Children and Digital Rights' conference at the Information Law and Policy Centre, which is part of the Institute of Advanced Legal Studies (University of L…

‘Take science communication more seriously.’ This is the message that Ivo van Vulpen, professor by special appointment in Science Communication in Physics, wants to convey during his inaugural lecture. At the moment, a lot of researchers look down their noses at this while it is extremely important…

In his VIDI project “Turning Over a New Leaf: Manuscript Innovation in the Twelfth-Century Renaissance” (2010-2015) Erik Kwakkel and his team studied how books and reading developed under influence of the Twelfth-Century Renaissance, a period in which Europe went through a variety of cultural and intellectual…

During the congress of the Royal Dutch Association for the Advancement of Pharmacy (Koninklijke Nederlandse Maatschappij ter bevordering der Pharmacie, KNMP) Jacqueline Gerritsen, former student Bio-Pharmaceutical Sciences at Leiden University, was awarded the KNMP student prize.

Jordy Bouwman and future Sterrewachter Reinout van Weeren have been awarded a Vidi subsidy to set up or expand their own line of research.

The Leiden University Labour Law Department started a new cooperation with the Law School of the China University of Labor Relations in Beijing. The agreement was signed by Dean prof. Jiang Ying during the visit of her delegation on 19 September 2019 in Leiden. Also Vice-Dean prof. Li Wenpei and Lecturer…

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 the research project, Leiden University, Utrecht University and Radboud University will together analyse the issues facing the judicial system in the Netherlands during the coronavirus crisis, the measures taken and their impact.

From Thursday 14 to Sunday 17 June the Hugo Sinzheimer Moot Court Competition took place in Cassino, Italy. During this moot court, in the field of European employment and labour law, thirteen teams acted as lawyers in front of a special court composed of professors, judges and lawyers.

Natalia Ortiz, a current PhD student in our department, was awarded the KNMP Student Prize during the last autumn Congress 2014 of the Royal Dutch Pharmacists Association (Koninklijke Nederlandse Maatschappij ter bevordering der Pharmacie, KNMP), held in Utrecht at the beginning of October.

On 23 March 2023 Weidong Zhang defended his thesis in Leiden on achieving decent work in China. This research analyses to what extent China is achieving decent work based on a case study of decent working time. The word ‘achieving’ underlines that China is still in the process of securing this aim.…

The Hague has announced that 70,000 refugees are expected to come to the Netherlands this year. How can situations like at the Ter Apel asylum centre - where asylum seekers had to sleep outside due to a lack of space - be prevented.

Erkens and Boot were participants at the 21st Conference of the European Association of Labour Court Judges that took place from 8 to 10 June 2017 in Prague.

Overview of the CML reports

Kiem project: How can metaphors be used to enhance societal engagement with quantum science and technology, and what factors influence their acceptance or resistance among experts and laypeople?

In 2021 many of our students and staff won fantastic prizes and were awarded important research grants. This is our traditional review of these successes as the end of one year marks the beginning of another.

Other COI publications can be found on Leiden Law Blog, the Leiden Law Methods Portal, and in the drop-down tabs below.

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…

For many years, he was active in various management positions at the LION and even after his retirement he is still very involved. Professor Jan Aarts leads the Leiden hub of the Quantum Delta NL growth fund and is now temporarily responsible for national educational activities. In this way, he is helping…

Vedran Dunjko appointed to full professor of quantum computing at Leiden University, the Netherlands.

The symposium “Human-Wildlife conflicst in Africa” was held on the 27th October in the Academie gebouw of Leiden University in honor of the retirement of Prof.dr.ir. Hans H. de Iongh

The practice of the application of pre-trial detention in the Netherlands raises questions in light of the jurisprudence of the European Court of Human Rights and must be adjusted.

Carlo Beenakker has been appointed a Fellow of the American Association for the Advancement of Science (AAAS), the organisation behind the journal Science. Among the Fellows, he is the third Dutch person and first Leiden researcher.

On 26 April Professor of Experimental Physics Jan van Ruitenbeek was made a Knight in the Order of the Lion of the Netherlands. He received the decoration from mayor Emile Jaensch in Oegstgeest, where he lives. Van Ruitenbeek received the honour for his services to physics.

Theoretical physicist and cosmologist Alexey Boiarskyi has been appointed full professor per 1 October.

Hans de Iongh, associate professor at the Institute of Environmental Sciences (CML), was named 'Officier in de Orde van Oranje Nassau' on Thursday 27 October. His work on the prevention of lion extinction in Africa was one of the reasons for this award.

The 2020 Physica Award has been awarded to physicist Martin van Hecke, a researcher at the Leiden Institute of Physics (LION) and the Amsterdam AMOLF. Van Hecke is one of the Netherlands most innovative researchers into the surprisingly complex behavior of systems that look simple at first sight.

On April 20, sixty participants will take part in LION’s triannual meeting for high school physics teachers, to deepen their knowledge of physics and astronomy and to explore new teaching methods. This edition marks a special occasion, as it is the last meeting organized by Bert van der Hoorn, who will…

Royal honour for Prof. Barend Mons. He was made a Knight in the Order of the Dutch Lion. He received this award from the mayor of the municipality of Waddinxveen, Evert Jan Nieuwenhuis.

Last week Hanneke Bennaars and Yvonne Erkens visited the World Congress of the International Society for Labour and Social Security Law (ISLSSL) which was held from 4 to 7 September 2018 in Turin, Italy. The theme of the congress was “Transformations of Work: Challenges for the National Systems…

On Sunday, November 9 2025, Prof. dr. Sarah Cramsey presented a film at the “Eastern Neighbors” Film Festival in The Hague.

The EFT lecture scheduled on Tuesday 31 October from 09:00-10:00 hrs is cancelled.

PhD candidate Ola Gracjasz writes about fermentation practices in Gdańsk, Poland.

From October 1-3, 2017, the 24th Annual International Law and Religion Symposium was held at Brigham Young University in Provo, Utah, USA. The Symposium was attended by 100 participants, from 50 different countries, while interpretation at the venue was available in 11 languages (Arabic, French, Italian,…

Workshop & exhibition

Children who lost their fathers in early modern England ran the risk of being sold to the highest bidder. Although Shakespeare wrote about it in his plays, the practice disappeared from collective memory for a long time. University lecturer Lotte Fikkers is bringing it back to light in a new Vidi research…

Bringing together chemists and physicists to thoroughly investigate how electrochemical processes work on the smallest scale. That is the goal of the new Advanced Nano-electrochemistry Institute of the Netherlands, or ANION for short. The consortium receives a Gravitation funding of 23.6 million euros…

After seven years, Eric Eliel resigns as scientific director of the Leiden Institute of Physics (LION). On April 18th, LION hosts a farewell party and a week later Eliel will officially hand over his tasks to Jan Aarts. We spoke with him about his term as director, in which among others a new science…

Please note that the course Molecular Biology for Physics will start on Monday 5 February. Please check the schedules for the time and location!