Since reintegration officer Bart Reedijk started work in Dordrecht three years ago, ex-convicts in that municipality have reoffended a lot less often. There is much interest in Reedijk's method throughout the Netherlands, but experts have reservations.

Together with physiotherapist and lifestyle therapist Jaap Wonders of SMC Rijnland, Helen Pluut conducted research during the first COVID-19 wave on the experiences of working people. The reason for the research was the compulsory situation of working from home many people found themselves in. One of…

Research

Organisation

The Lorentz Center is 25 years old. A good reason for them to contribute to a series of TEDx lectures for Leiden City of Science. Arjen Doelman, director of the Lorentz Center, was the first to enter the virtual stage.

Sabine Bos

The Neumark-Nord 2 site in central Germany, dates back to 125,000 years ago. During an interglacial period with temperatures similar to those today, Neanderthals where doing something we previously thought happened only tens of thousands of years later.

Social media are playing a key role in calling for resistance to the corona measures. Online, agreements are made about where and when people will gather to protest. The authorities are not always fully aware of what is happening and cannot just infiltrate, whereas civilians can often easily participate…

Satellites belonging to American space company SpaceX recently came very close to a Chinese space station. Experts are calling for traffic management rules in space.

On 25 November, Professor Ineke Sluiter received the Medal of Honour for Arts and Sciences in the Order of Orange-Nassau. She was presented with the medal by King Willem-Alexander.

Instant messaging app Telegram is not faring well in the news – the reason being the illicit activities occurring on the platform. Professor Bart Custers helped Dutch current affairs programme ‘EenVandaag’ respond to questions about the platform.

In its ruling this week, The Hague Court of Appeal made short work of how the Dutch Border Police allow the colour of a person’s skin to be taken into account when selecting people to check. According to Maartje van der Woude, this ruling reaches far beyond the border police. ‘This is a problem for…

Many deepfake porn videos are going around appearing to feature popular Dutch presenters, actors and politicians. These videos are banned, and yet they’re still being circulated. Dirk Visser, Professor of Intellectual Property Law, explains why: ‘There are enough rules telling us that deepfakes aren’t…

Professor of Contemporary History Wim van den Doel has won the 2024 Boerhaave Biography Prize. Van den Doel receives the prize for his book 'Snouck: Het volkomen geleerdenleven van Christiaan Snouck Hurgronje'.

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

Finance

Facility

What are you supposed to do if something goes or has gone wrong? Whether it be a break-in, an accident or an unsafe situation of any other kind, or a data breach or a cyber-attack; please read how to report each type of incident below.

What are you supposed to do if something goes or has gone wrong? Whether it be a break-in, an accident or an unsafe situation of any other kind, or data breach or cyber-attack; please read how to report each type of incident below.

The maths level of Dutch primary school children? Nothing to write home about—at least, that’s the common perception. But according to researchers Marian Hickendorff and Emilie Prast from the Institute of Education and Child Studies, that idea is simply not correct.

In the ‘Leiden Declaration’, an international group of researchers warns that AI is putting fundamental values of the discipline under threat. The rise of AI is forcing mathematics to rethink what makes their field reliable and valuable. This is their proposed way forward.

The government, the people and the country were in desperate straits. This about sums up the state of affairs in the Disaster Year of 1672. It was 350 years ago, and to mark the occasion PhD candidate Roosje Peeters collaborated on a series of letters to and from a key political figure Johan de Witt,…

Last year, 15.8% of all employees of Leiden University experienced undesirable behaviour. This is one of the findings of the 2021 Personnel Monitor. ‘That number is far too high. We have to get rid of the taboo on raising this issue and addressing offenders,‘ says Martijn Ridderbos, in an open and…

Theo van den Doel received his PhD in January for his research on veteran support. This showed that for long the government learned little from past missions. He has since presented his dissertation to the Lower House of Representatives, and the Minister for Defence, Kajsa Ollongren, has responded to…

The fall of the Schoof cabinet comes as no surprise to Arco Timmermans, an expert in public affairs. Over a year ago, he advised informateur Kim Putters and already pointed out that a workable cabinet would only be possible if the parties took responsibility.

Stack two layers of graphene, twisted at slightly different angles to each other, and the material spontaneously becomes a superconductor. Science still can't explain how something so magical can happen, but physicists use special equipment to reveal what is taking place under the surface.

Jantien Hadders (50), head of Education and Research Policy at FGGA, lost the love of her life and, to her great sadness, did not become a mother. It was precisely by being able to share her loss in the workplace that she slowly regained trust in herself.

This is a difficult time. Above all, for all those directly involved in this horrible case – unacceptable behaviour by a professor and his removal from the University – the case we went public about on 18 October and that has been reported in the media. This is painful and tough for the complainants…

As staff, we can help every day to create a culture of dignity and respect, says HR specialist Bregje Speet. ‘It boils down to the question of how to treat each other normally. And what we consider normal to be.’

Judith Pollmann, Professor of Early Modern Dutch History, has been awarded the Spinoza Prize. ‘An unbelievable honour.’

The University Council meeting on 2 June was largely dominated by the demonstration, occupation and policing in The Hague last month.

Yesterday, eight professors were simultaneously inaugurated as ‘Medical Delta professor’, at Leiden University, LUMC, TU Delft, Erasmus University and Erasmus MC. Ariane Briegel, researcher of the Institute of Biology Leiden of Leiden University, also received the double appointment.

The touring exhibition 'Presenting with the city' has touched down in the Lipsius Building. In the presentation, students and researchers show how their research has contributed to the city.

Physicists from Leiden University wrote the script and ensured that every experiment in the performance was scientifically accurate. The kickoff of the major educational project of the Amsterdam Light Festival was a huge success — and there’s much more to come.

From deepfakes and disinformation to killer robots, surgical robots and AI lawmaking: AI (Artificial Intelligence) is changing our world. That raises the question whether this requires some form of regulation. At eLaw, the Center for Law and Digital Technologies at Leiden University, prof. Bart Custers…

How should universities respond to a cybercrisis such as a DDoS attack or data breach? Leiden University participated in a national crisis exercise with partners from the LDE alliance.

Are AI models such as Midjourney violating artists' copyright? Dirk Visser, Professor of Intellectual Property Law, spoke about this topic on Dutch current affairs news programme 'NOS Radio 1 Journaal' .

Education, ICT

It was the Night of Discoveries on Saturday 16 September: a summer encounter between art and science. Leiden researchers from various disciplines inspired the public with their quest to understand our world.

On behalf of the interdisciplinary programme Social Resilience & Security, we would like to remind you of the call for proposals for seed funding (up to €4.000) to boost interdisciplinary research.

The Humanities Faculty Teaching Award has been won by Olja Karmanova. The Russian lecturer was presented with the award during the opening of the faculty year.

Archaeology is the only science that allows us to study the material traces left by most of human evolution. But what happens when we bring philosophy into the picture? A new series of papers demonstrates how philosophical reflection can enrich archaeological research - especially when grappling with…

ISGA researchers have received €1 million for research aimed at enhancing the Netherlands' digital resilience. The funding comes primarily from NWO, but private parties are also contributing financially. In total, €10.5 million is being allocated to launch six projects.

During a working visit to a company that cleans up space debris, the British Prince Charles suggested that a climate agreement specifically for space might be a good idea. Experts, including Leiden Law School’s Tanja Masson-Zwaan, say the idea is wishful thinking.

We have all been deeply affected by the events that took place in Rotterdam on Thursday evening. Our colleagues at Erasmus Medical Center and Erasmus University have lost a valued colleague and have been involved in a very serious incident, which will undoubtedly leave deep scars. The witnesses to this…

On Tuesday, Nov. 4, 2025, Mr. Seán Ivory (VU) presented part of his prize-winning research in a lunch talk entitled Let Sleeping Dogs Lie: The Politics of Emotion in the Pamphlets of the De Hondt Affair During the Small Brabant Revolution (1787).

How did a fifteen year old paper receive an award? It happened to LIACS professor Todor Stefanov and his colleagues. Their paper was awarded with the Test of Time Award, an international award for papers that had the highest impact over time. This paper in particular is about Daedalus, a framework used…

The proposal made by the Dutch Benefits Agency (part of the Ministry of Finance) to issue one-off compensation payments of €5,000 in the wake of the Dutch childcare benefits scandal is causing a stir among the affected parents, lawyers and academics. Ymre Schuurmans, Professor of Administrative Law,…

Over the next few years, the Pieter de la Court building will be refurbished. This summer, the first to be tackled is the basement. What will happen?