At present, the cabinet still maintains that all provinces are motivated to cooperate with the sensitive issue of the nitrogen strategy. However, there are major concerns that the political landscape will look very different once the elections for the Provincial Councils on 15 March have been held.

Op dinsdag 15 oktober 2024 nam Rogier Kegge, universitair docent Staats- en bestuursrecht, deel aan de zogenoemde technische briefing van de vaste commissie voor Infrastructuur en Waterstaat over het voorzorgsbeginsel.

Environmental organisation Greenpeace wants to see a drastic reduction in nitrogen deposition on the Netherlands’ most vulnerable nature conservation areas. This would extend beyond the nitrogen targets that the Dutch government is currently striving to meet. Rogier Kegge, Assistant Professor of Constitutional…

Through the Byvanck Fund, Classical Mediterranean archaeologist Tymon de Haas has received a grant of €6,350 for his research on the ecological impact of Roman expansion. He will use this grant to investigate the traces of one of the oldest and best-preserved Roman cadastres, situated in the former…

If European countries rely solely on technological advances, they won't be able to limit global heating to 1.5 degrees. Households will also need to change their lifestyles. This 'inconvenient truth' is the result of calculations done by industrial ecologist Stephanie Cap. ‘It's not a popular message,…

For a long time, Thijs Bosker was an average student, until he discovered how exciting learning becomes when there are no ready-made answers. To his students, he passes on one key message: hope is the driving force that keeps us moving forward. They nominated him as Lecturer of the Year.

The We Are Science Week, inspiring lectures, and enjoyable gatherings. This year, we frequently came together to inspire and connect with one another. Our biggest event took place at the start of the academic year in September: the official opening of our new Gorlaeus building.

Immerse yourself: read books, listen to podcasts and watch films about racism, discrimination and the colonial past.

The Dutch chemical industry is regularly in breach of safety legislation. These are the findings of longitudinal research by the Department of Criminology at Leiden University, in collaboration with the Department of Criminology at VU Amsterdam. Over the past ten years, the roughly 400 companies to…

Comparing terrorist attacks with falling off a step ladder is absurd, writes Jeanine de Roy van Zuijdewijn in NRC Handelsblad on 27 September 2017.

'Psychologists think I’m a linguist but linguists think I’m a psychologist,' says cognitive neuroscientist Xiaochen Zheng. With the Veni grant she will be able to bring these two fields of research closer together. Read her answers to five questions.

In terms of the breadth of their vocabulary, many Dutch rappers can easily match leading authors. This is the surprising conclusion drawn by language researcher Alex Reuneker on the basis of comparative research. Rapper Brainpower and author Ilja Leonard Pfeiffer will debate this issue on 16 September…

‘It's where disciplines intersect that the most exciting scientific questions arise.' This was the message given by John van Noort, Professor of Biophysics, in his inaugural lecture. His own research is at the interface between biology and physics. Inaugural lecture 23 April.

Manufacturers produce high-end technology mostly top-down with large machinery, but small particles are able to build structures by themselves from the bottom up. A major challenge is that these particles easily clump together. Leiden physicist Daniela Kraft has developed a method to use this phenomenon…

The CRITTERS exhibition in Naturalis Biodiversity Center lets artists and researchers look for a connection between technology and natural organisms.

Visualising cell proteins without invasive techniques is possible with the help of fluorescence. During a lecture of the Natuurwetenschappelijk Gezelschap Leiden on 18 January, winner of the Spinoza Prize 2017 and founder of the field of single molecule optics Michel Orrit explained how this works.

Advanced fluorescence microscopy techniques have revealed how steroid receptors move inside the nucleus. The results were published by a team from Leiden University and the Erasmus Medical Center in Rotterdam, led by IBL-researcher Marcel Schaaf.

From November 4 to 10, the exposition CRITTERS will be exhibited in Naturalis Biodiversity Center during Beyond Human Festival. In CRITTERS artists and researchers are looking for a connection between technology and natural organisms. When does technology become a natural being? And when we examine…

What is dark matter? How do supermassive black holes form? ‘Primordial’ black holes might hold the answer to these long-standing questions. Leiden and Chinese cosmologists have identified a new way in which these hypothetical objects could be produced just after the Big Bang. Publication in Physical…

Professor Sjef Barbiers is leaving his job as scientific director of LUCL for the position of scientific director of the Institute for the Dutch Language (INT) from 1 September.

Two research groups involving Leiden University have been awarded a major European grant, the ERC Synergy Grant. This for research on the development of membranes that can clean water and purify medical drugs and research on the biological clock in certain bacteria.

After years of hard work, Urban Studies graduates were presented with their diplomas. How do they look back on their studies? And what can we expect from them in the future?

Biologists today have to be able to work with big data. Data analysis skills should be taught from the start of the degree programme, or - even better - in secondary school. This is the message of Vera van Noort, new Professor of Computational Biology. Inaugural lecture 22 January.

Data Science & AI student Nataliia Bagan combines a passion for mathematics, language, and artificial intelligence. Her exceptional bachelor’s thesis on improving reasoning in large language models earned her a nomination for the Leiden Science Young Talent Award 2025.

Soft structures that can take on different shapes without any external drive. Leiden physicists Daniela Kraft and Julio Melio created them in their lab. They present their groundbreaking research on microscale metamaterials in Nature - a breakthrough that opens the door to smart, reconfigurable materials…

In the early modern period, it was perfectly normal to find recipes, legal documents or medical writings in a book of poems. Holly Riach studied the underlying principles of these ‘miscellanies’ during her PhD.

From treatment plants to hot showers, emissions from water use in the U.S. are equal to 50 million cars driving around for a year. In The Washington Post, staff writer Tik Root consults different experts to learn about ways to reduce our water consumption. He also speaks with Leiden environmental scientist…

Toen in 2019 honderden afvalcontainers in de Waddenzee vielen, wilde de overheid geen informatie vrijgeven over wat er in de containers zat. Vijf jaar later weten we eindelijk meer, nadat hoogleraar Esther Kentin beroep deed op de Wet Open Overheid.

On March 16 students and alumni of the Advanced LLM in European and International Human Rights Law were brought together in an online Zoom event organized by our programme coordinator, Mahshid Alizadeh, and head of the LLM, Rick Lawson.

The new Dutch government must act quickly to take rapid, far-reaching measures in three specific regions to tackle nitrogen emissions. This will create the space for a long-term strategy to deal with other urgent problems and the knot of obligations that the state will need to untangle. These are the…

Paul Behrens and his team have won the Frontiers Planet Prize of half a million euros for their research into the effects of switching to a plant-based diet.

We are delighted to announce two new exciting research projects at the Grotius Centre for International Legal Studies! Dr Misha Plagis and Dr Hilde Woker have each received a starter grant for their collaborative research projects. Dr Hilde Woker and Dr Jason Rudall have received funding for their project…

The cargo lost at sea as a result of the MSC Zoe disaster should be considered environmental pollution and information about it should be made public. This was the case made by Leiden Law School’s Leiden Advocacy Project on Plastic (LAPP). Following their investigation, the government has finally decided…

This volume, edited by Kay Boers, Becca Grose (University of St Andrews), Rebecca Usherwood (Trinity College Dublin) and Guy Walker (Trinity College Dublin), brings together eight essays by eminent scholars and early career researchers, reflecting on the phenomenon of erasure in Late Antiquity (c. 150…

The bridge between the Lipsius building and Cluster Zuid (Paterbrug) will be closed the next 18 months. Cyclists and walkers can use the bridge on the other side of the Lipsius building (Reuvensbrug).

Masses of hamburgers, steaks, cheese and a lot of eggs: Americans love their animal products. But researcher Oliver Taherzadeh discovered that only a relatively small group of high-volume consumers need to modify their diet to achieve an enormous environmental gain.

Met de voorgestelde Wet wil Defensie sneller kunnen inspelen op internationale dreigingen, door uitbreiding van kazernes en militaire oefenterreinen te realiseren. Universitair docent, Rogier Kegge, spreekt in EenVandaag over deze gereedstelling van Defensie en de rechtsbescherming voor omwonenden.

Rogier Kegge, Assistant Professor in administrative law and environmental law, is a member of the Dutch Health Council’s Committee on Livestock Farming and Health. The Committee recently published a report on links between goat farms and pneumonia.

Lecture hall A0.06 in the Schouwburgstraat in The Hague was packed with parents, friends and other loved ones on Friday, 27 September. No fewer than 61 graduates received their Urban Studies diploma there, the highest number in the four years since the programme started.