While the United States continues to carry out drone strikes, and China conducts large-scale cyber and information operations, Ukrainian and Russian soldiers live in trenches, and NATO sends tanks to the Donbas front to force a breakthrough. Has war changed dramatically in recent decades as a result…

Plants can’t run away from enemies. Still, it would like to keep life-threatening herbivores at a distance. This can be done with odours. Klaas Vrieling of the Institute of Biology Leiden found out with his team how plants change odour production to keep the munchers at a distance.

Radhika Gupta has received a Consolidator Grant from the European Research Council to study how transnational Islamic charitable networks are entangled with Western humanitarianism and neoliberal welfare frameworks.

A sense of security plays an important role in the decision to contribute to nature conservation. Stacey Mac Donald conducted four years of research on the influence of social and political changes and the (post) colonial context on nature conservation in the Dutch Caribbean. On 17 May she will defend…

How do you recount historic events if you are not allowed to talk about them? For his dissertation, Taufiq Hanafi tried to find out how a period of mass murder – despite heavy censorship – found a place in Indonesian literature. PhD defence 31 March.

On 1 September 2023, 280 students received their Bachelor Diploma of International Studies. The students were awarded their diplomas in the historic Pieterskerk in Leiden: the UNESCO world heritage site, where the university was originally founded in 1575. A large audience of about 700 people consisting…

From global warming to the decolonisation of knowledge. At the EuroScience Open Forum (ESOF) in Leiden over 500 speakers from 60 countries have come together to discuss the big themes of our times. Why have the delegates come?

‘Everyone’s talking about it, everyone thinks everyone else is doing it, but the reality is disappointing,’ says biochemist Gerard van Westen in his 3 October University lecture in the Van der Werfpark. In the full marquee, he gets a laugh with this suggestion that artificial intelligence is comparable…

Last Thursday the Dutch House of Representatives held a debate on children being put into care when the childcare benefits scandal (toeslagenaffaire) had caused problems for their families. Four Leiden University academics were asked by the House to produce a fact sheet for this debate, bringing together…

Since a few months, Executive Director Niels Laurens no longer has to divide his attention between two faculties but has been able to fully focus on FGGA. A conversation about the dynamics within our Faculty, his management style, and the steps we will all have to take together to improve issues such…

With a grant from the Digital Infrastructure Insights Fund D//F, John Boy and members of the d12n research cluster will explore new ways critical technologists try to align their work with digital technology with the political goal of defending the public interest.

How do we know what a quantum computer is good for when it hasn't been built yet? That's what PhD candidate Casper Gyurik investigated by combining two terms you often hear: quantum computing and machine learning.

Getting to know all his colleagues as fast as possible, and learning about the faculty’s strengths: these will be Jasper Knoester’s first challenges. Jasper became the new Dean of the Faculty of Science on 1 January, and he is optimistic about the corona restrictions. ‘Obviously, this isn’t the start…

It is a familiar phenomenon: you ask the assistant on your phone to call your mother, but it calls a friend instead. Tom Kouwenhoven, PhD student in the SAILS programme, investigates how humans and Artificial Intelligence (AI) can better communicate with each other, so that these kinds of situations…

According to a new study, for half of the world population the answer would be yes. For the other half: maybe? Leiden environmental researcher and head author Nicolas Navarre explains: ‘With improvements to crop yields, reductions in food waste, and changes in consumption patterns, 90% of people could…

However tempting it may be to lock yourself in your room or in favourite library nook in the days running up to an important exam, it's not a very wise choice, stresses neuroscientist Judith Schomaker.

How do molecules originate and evolve in space? And how does that ultimately determine the chemical composition of planets and their atmospheres? The Dutch Astrochemistry Network (DANIII) receives 1.6 million euros from NWO to find out. A large group of Leiden astronomers and chemists is contributing:…

Tuberculosis stands as one of the most lethal infectious diseases worldwide. A significant challenge in combatting tuberculosis lies in the emergence of antibiotic resistance triggered by genetic alterations, commonly known as mutations. These mutations can diminish the responsiveness to antibiotics,…

Work balance is an important issue within the Faculty of Humanities. Education coaches Astrid Van Weyenberg and Maarten van Leeuwen also deal with this regularly during their coaching sessions with lecturers. They have listed their most important tips.

Digital journalism is transforming the way in which information and communication technologies are used by media workers. With this change journalist practices, norms and values are also being reshaped. This is the conclusion of Tomás Dodds PhD research.

Making learning material come alive and convey it in the best possible way: that is the aim of education developer Wybrigje de Vries of the Science Teacher Support Desk. Together with university lecturer Edgar Blokhuis, she developed the online module ‘Error Assessment’ for first-year LST bachelor students.…

People need to get to know each other to see the positive side of migration, according to photographer and documentary maker Koen Suidgeest. Since the end of September, Suidgeest has been the new city photographer for the region of Leiden. His goal is to photograph as many cultural identities as possible…

Ratna Saptari is since 2007 Assistant Professor at the Institute of Cultural Anthropology and Development Sociology. She has always been involved with issues of human rights and Indonesian workers' rights. This August she retired. But she won't sit still. She continues her voluntary work and wants to…

‘We can only achieve this if we work together.’ This is what Rector Magnificus Hester Bijl emphasised as she spoke about professional research support at the opening of the second Research Support Conference at PLNT on 14 June. For the 80 research support staff present, learning and inspiration was…

Woensdag 7 september bezochten de nieuwe eerstejaarsstudenten Rechtsgeleerdheid en Criminologie de Stadsgehoorzaal voor een College Tour met als thema: Strafzaken en de media. Presentatrice Annemarie Brüning, bekend van Hart van Nederland, ging hierover in gesprek met professionals uit het vakgebied…

Amidst the lathes and welding machines of the Fine Mechanics Department, Emiel Wiegers is working concentratedly on a metal cylinder. He and his colleagues design and construct components for researchers' set-ups. ‘We are a bunch of inventors who enjoy helping the researchers in our Faculty.’

Astronomers have captured a new deep field of Pandora's Cluster (Abell 2744) with the James Webb Space Telescope. The images show never-before-seen details. The results are described in four scientific papers. Leiden astronomers Marijn Franx and Mariska Kriek collaborated on the study. 'This opens a…

Four researchers from Leiden University will receive funding from arthritis foundation ReumaNederland over the next five years. This should facilitate long-term research into arthritis.

What happens in the brains of people with psychiatric illnesses? With a €23.23 million gravity grant, scientists from different fields will search for biological causes over the next decade. ‘By joining forces, we hope to improve diagnosis and treatment for patients with these diseases.’

The number of international organisations has increased over the last decades. As has the number of cities interested in housing these organisations. International organisations bring wealth to cities and help improve their reputation. They often act as a magnet for other international corporations.…

Search engines are getting better at answering our questions. And chatbots are increasingly likely to search the internet for relevant sources. ‘Search engines and chatbots will become more closely entwined’, says Professor Suzan Verberne.

A job thanks to COVID—something not many people can claim. But PhD candidate Vera Arntzen can. Over the past four years, she has mapped two crucial characteristics of SARS-CoV-2 infections. Thanks to her research, experts can now make well-informed decisions on matters like quarantine duration, which…

During her student years, Claudia Robustella struggled with her mental health. Thanks in part to the help of her study coordinator Rosa van Straten, she still managed to obtain her bachelor's degree.

This summer, political scientist Thijs Vos received the Kaare Strøm prize for his paper ‘Power or Ideology? What structures legislative voting behaviour in Dutch municipal councils, ideology or coalition-opposition dynamics?' He was awarded the prize during the ECPR summer school on parliaments in F…

Humans are increasingly losing agency on social media. A team of legal scholars from Leiden University, computer scientists from other universities and civil society organisations, is conducting a study into the balance of power between Big Tech and users.

What started as an idea during a social gathering led to an unexpected breakthrough in research on resistant bacteria. Biologists and chemists from Leiden developed a new substance that proves to be effective against bacteria resistant to antibiotics. They published their discovery in Nature Chemist…

Terrorism expert Bart Schuurman has been appointed professor. As a researcher and lecturer at ISGA, he has witnessed the terrorist threat evolve and broaden. 'How can we explain these shifts and protect our society against them? That is what I want to focus on more,' he says.

Youth crime has plummeted in the Netherlands. Good news, you might think. Yet we need to look critically at existing sanctions, says Professor by Special Appointment André van der Laan in his inaugural lecture. ‘We should evaluate whether our response is just.’

Populist parties in national parliaments have a different style of working from their colleagues in other parties. They often vote against Cabinet proposals, but do not ask more questions about Cabinet activities. This is the finding of Leiden research in different European countries.

Governments worldwide invest huge sums in their digital services and data strategies. Efficiency and effectiveness are key. But these are not achieved for some people at least, says Professor of Public Policy Sarah Giest. This makes the intended digital inclusion far from inclusive, as she will explain…

Fear of repayment demands is causing people to forgo benefits and financial support, even when they are eligible. This was one of the finding of Olaf Simonse in his PhD research on financial stress and the non-use of social services. His proposal: 'Let the government take the initiative.'

Staff at Dutch youth care services sometimes put parents under pressure to cooperate 'voluntarily'. There are instances when children are removed from the home without the approval of the court. This may have some benefits from the perspective of the support services, but in legal circles there are…

The financial sector, supply chains and ecology. Not necessarily topics you might associate with physics, yet it’s exactly what new professor Diego Garlaschelli is dealing with. The common thread? Complex networks.

We spoke with Mathilde Witkam about her research as a dual PhD candidate at the Dual PhD Centre. Her dissertation is about the effect of open government on public trust. Mathilde: ‘Trust in government ensures that people are more honest in their tax returns; less control saves time and money.’

Academic writing: it’s something that all students have to face. And it can be really quite difficult. The writing coaches at the Humanities Writing Center will therefore support you at every stage of your studies.

The collaboration between ISGA and the NIPV (Netherlands Institute for Public Safety) has been made official. This took place under the guidance of initiators Jeroen Wolbers (ISGA) and Peter Bos (NIPV) during the conclusion of the three-part lecture series on the Dutch crisis management system. Sanneke…

Anti-litter activist Dirk Groot photographed, tagged, and collected more than 400,000 pieces of litter in the Netherlands. Now, he and his data are included in a study on urban litter by researchers from Leiden University and Andrea Ballatore from Birkbeck, University of London.

Delft, Nov. 15th, 2022 – Today, eight professors were simultaneously inaugurated as ‘Medical Delta professors’ at Leiden University, LUMC, TU Delft, Erasmus University and/or Erasmus MC. With an appointment of two or more of these five academic institutions, they combine technology and healthcare in…

In June 2024 the Faculty of Archaeology welcomed a new Assistant Professor. Dr Alejandra Roche Recinos, originally from Guatemala, will strengthen the Faculty’s expertise on the archaeology of Central America. ‘I want to explore the lesser known archaeology of Southern Guatemala.’