Secrecy can be detrimental to a relationship, but in the intelligence world, it is actually a basis for trust. What do relationships and trust really mean in this 'hard and seemingly shadowy' world? PhD candidate Pepijn Tuinier investigated it. The finding: social relations play a much more important…

Fancy seeing how your job is done at a university abroad? Project Managers Christina Schlüpen and Jeannette de Wolf from the Leiden Institute of Chemistry did just that. They both spent a week shadowing a European colleague: one in Bologna and the other in Berlin. This was through the Una Europe alliance,…

Leiden University has recently received various petitions from students and staff concerning our ties with Israeli universities. We have also held extensive discussions with the University Council in response to questions raised on the subject. We think it important that our partners and research projects…

Walter Gam Nkwi is lecturer at the Institute for History, University of Leiden since 1 September 2019. He also lectures at the Den Haag campus. Walter introduces himself below.

Online services are stored on servers in data centres. Remko Fermin researched methods to make the memory in data centres more energy efficient.

We are pleased to announce a call for papers for a conference focused on ethical practices in medical research and treatment in the colonial and postcolonial context.

The child benefits scandal caused significant harm to families. The independent Hamer Commission specifically investigated the link between the scandal and the removal of children from their homes. Public Administration student Benito Walker was a member of this commission and shares his experiences…

An atomic vandal has finally been caught! Scientists from Leiden University and the Department of Energy’s SLAC National Laboratory have uncovered the mysterious cause behind the rapid corrosion of platinum electrodes. This breakthrough paves the way for more affordable green hydrogen production and…

Sjoerd Keulen holds the new special chair in Public Audit, Policy Evaluation and Accountability.

It doesn't happen every day that the research project of a first-year bachelor’s student results in a scientific publication. And not only that, but as first author and on the cover of a leading physics journal. ‘We have given our lab education a thorough overhaul and it is paying off.’

From Wednesday 13 July 2022, for four days, Leiden is at the epicentre of European science, as it hosts Europe's largest interdisciplinary conference, the EuroScience Open Forum (ESOF). We interviewed Marja Spierenburg, Professor in the Anthropology of Sustainability and Livelihood. In addition to being…

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.

Human cells are protecting their proteins from unfolding and aggregating. That's what biophysicist Alireza Mashaghi and his team discovered after seven years of in-depth research into the folding mechanisms of proteins. With an unprecedented approach, the team was able to study the folding of a single…

Archaeological finds off the coast of Java, Indonesia provide insight into the world of Homo erectus, 140,000 years ago. Skull fragments and other fossil remains provide a unique picture of how and where these early humans lived, says Leiden archaeologist Harold Berghuis.

In July 2022 our alumnus Samatar Botan received the news that he had received the NWO Mosaic 2.0 grant. This grant enables him to start a PhD research at our Faculty on the ancient Aksumite Empire, a topic that is close to his heart. We speak with him about his ambitions and drive. ‘I want to know more…

Last week Annemarie Montulet and several of our colleagues attended an online fair in China to talk to Chinese PhD candidates. ‘I had some very good discussions with potential candidates. It gives me a lot of energy to do my utmost to find a suitable research position for them in Leiden.’ We have a…

Hunter-gatherers acquire their food through complex gender-specific foraging techniques for a relatively stable and diverse supply of energy. New research indicates that this specialisation by boys and girls starts at a very young age. Most likely, this enabled the human species to evolve much larger…

Adolescents with good friendships experience fewer anxiety and depression symptoms, PhD student Iris Koele discovered in her research on high school students' social relationships. 'As a psychologist, I include friends in the treatment plan: who do you call when things are not going well?'

On the university’s birthday, professors teach a class of 10 and 11-year-olds during Meet the Professor. The professors were bombarded with questions.

University lecturer Lucien van Beek has been awarded a LUF Praesidium Libertatis Grant. He will use the sum of 75,000 euros to research the thinking of people in ancient and prehistoric times. To do that, he will look for unusual or striking metaphors in the earliest Indo-European languages.

For a successful return to society, incarcerated individuals must work on their reentry during their sentence. Not all such individuals receive good reentry support. This is according to a report by Leiden criminologists.

The sustainable production of hydrogen could potentially be made more efficient by adding a cleverly chosen salt to the process. Researchers at the Leiden Institute of Chemistry (LIC), in collaboration with physicists at the University of Twente, have discovered that the type of salt present in the…

That was the question physics and mathematics bachelor’s student Daan de Bos set out to explore during his thesis research. Applying machine learning theories to materials presented several challenges, but his efforts led to a working theory that can now be tested on real materials in laboratories.

Dialysis patients experience a range of physical and mental symptoms that interact and influence each otherIn her doctoral research, psychologist Judith Tommel wanted to find the optimum approach to help these dialysis patients improve their quality of life. ‘We need to make sure we avoid excluding…

How do you really measure how a country is doing? Researcher Annegeke Jansen is looking for alternatives to gross domestic product (GDP) to assess the state of society. As an economist, she focuses on well-being, inclusivity, and a healthier environment. ‘The economy should be a tool to achieve those…

In brain diseases such as Parkinson's and Alzheimer's, proteins clump together to form fibres. ‘Chaperone proteins’ unravel those fibres, but in the test tube biochemist Anne Wentink saw that this can also cause new problems. She is going to find out what happens inside cells to determine what a drug…

On 28 September the famous chemists Carolyn Bertozzi visited Leiden University to speak at the LED3 seminar. Just one week later, she was announced winner the 2022 Nobel Prize in Chemistry. Leiden chemists Sebastian Pomplun and Hermen Overkleeft are fan: ‘We are extremely honoured to have hosted this…

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.

A flu virus could cause a pandemic. And then we would be poorly armed because flu viruses are starting to become resistant to flu medications like Tamiflu. Chemist Merijn Vriends successfully worked on an improved version of such medications. He will be awarded his doctorate on September 12th.

In the upcoming months, PhD candidates Neske Baerwaldt (FdR / VVI) and Wiebe Ruijtenberg (FSW / CAOS) will produce the ethnographic podcast series ‘Grensverhalen’. The series will be published online in September, and will be used as teaching material in various courses.

Sharing scientific data, transferring money, or sending other sensitive information online: with cryptography, applications make sure your data does not fall into the wrong hands. Mathematician Thomas Attema (CWI/TNO/Leiden University) helps with this. For his PhD research, he developed a new technique…

Until Friday 21 May 2021 (16:00), you can cast your online vote for up to seven candidates for the Faculty Council. Curious who our candidates are and what they stand for?

The state, and specifically the idea of nationality, is almost all-determining in social life in the Netherlands. It determines how people identify, how we interact with each other, and what (in)equality in society looks like. However, ultimately, the idea that we can divide people into different nationalities…

On Thursday 15 April, Sabine Mengelberg, associate professor at the Faculty of Military Sciences of the Netherlands Defence Academy (NLDA), will defend her thesis on changes in European security architecture. Permanent Change? The Paths of Change of the European Security Organizations is the title of…

Kees Waaldijk has worked for many years to map the rights, or lack thereof, of the gay and lesbian community across the world. As he bids farewell to the faculty, those rights are under renewed pressure. How does he reflect on his career?

In her dissertation, political scientist Alessia Aspide explores how public attitudes toward fiscal policy are formed. Her key finding: fiscal preferences are not shaped in a vacuum, but are deeply embedded in institutional, political, and societal contexts.

What’s really happening in the space between the cells in your body? With the Collagen Canvas project, students from Leiden University invite you to explore this question by blending science with art. This interactive artwork immerses you in the dynamics of the extracellular matrix—the invisible structure…

For long, the government showed little empathy for military veterans with physical or psychological scars. This is what PhD research by Theo van den Doel has revealed. The Ministry of Defence looked at each case through a legal lens. Veteran support has improved enormously since, but the policy does…

Not everything that comes close to a black hole is swallowed by it. Black holes can also hurl material away, and that chance turns out to be considerably bigger than previously thought. Martijn Oei's accidental discovery and his subsequent research on it earned him a cum laude promotion on 12 Decemb…

2021, again, sees a rich harvest of bachelor theses in Political Science. Students have been tackling fascinating subjects—ranging from European solidarity in the COVID-19 crisis to the representation of women in democratically elected parliaments—and crowning their research projects with interesting,…

Roberto Arciero is part of RESPIRE project (Research Educational and Storytelling Project in Italian Remote Ecosystem), an international and interdisciplinary research team led by Martina Capriotti (University of Camerino) that received the National Geographic Meridian grant. Among the different topics,…

Nathaniel Martin, Professor of Biological chemistry, wondered what would happen if you take an antibiotic that has been known for 70 years and try to improve it with the latest tools of modern chemistry. Turns out it can become up to a hundred times more potent and prevent the growth of some drug-resistant…

The environmental risks of new pesticides containing nanoparticles are inadequately researched, according to four Leiden scientists in the scientific journal Environmental Science & Technology. They call for an examination of the long-term and environmental effects of pesticides containing nanoparti…

Tahir Abbas was named full professor of radicalization studies by the Executive Board. This chair, according to Abbas, is an excellent opportunity for ISGA to broaden its current focus on terrorism and political violence. Abbas was interviewed about his ambitions, writing as a form of relaxation, and…

The 10th edition of the World Congress of African Linguists (WOCAL), hosted by Leiden University, will be held online from 7 – 12 June. Leiden University Centre for Linguistics (LUCL) researchers give us an insight into how important and special this event actually is.

Master’s students in the Honours Class ‘Leiden, City of Refugees?’ were asked to contemplate the concept of ‘the other’ from both an academic and an artistic perspective. The result was the exhibition ‘The Invitation’ which was presented at Stadsbauhaus on 4 June.

‘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…

To what extent does exoplanet Proxima b resemble our Earth? And is there some form of life present? Astronomers hope to find answers to these questions with the new European Extremely Large Telescope (ELT). An NWO research grant of €18 million will allow a Dutch consortium to continue building instruments…

Lack of money impacts how a person takes financial decisions: now or preferably later. Procrastination and avoidance behaviours in turn have an effect on lack of money, which can result in a sense of loss of control. These are the findings of psychologist Leon Hilbert in his PhD research, although the…

Using an innovative method, psychologist Loes Janssen and colleagues measure how long and how often parent and child are close in daily life, and how they experience that togetherness. The researchers combine ‘Bluetooth low energy beacons’ with the smartphone app Ethica to track participants' physical…