Hydropower plants need not be disastrous for fishermen and nature. For that, we need to place new dams more strategically, but also modify or even remove some existing ones. Valerio Barbarossa and Rafael Schmitt showed that with a computer model of the Asian Mekong basin.

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.

Afghans who came to the Netherlands in a hurry, refugees who were used as leverage by Belarus and boat refugees who tried to reach Europe in an increasingly desperate manner: the newspapers were once again filled with news about migrants. Today, on International Migrants Day, we talk to professor Marlou…

Mathematician Francesca Arici has joined the Raising Public Awareness Committee of the European Mathematical Society. She aims to coordinate and unite the European efforts of communicating and promoting mathematics. ‘We also hope to achieve more recognition for people who do science communication.’

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.

Music venue Paradiso, the Keizersgracht Church and the Artis Zoo’s aquarium: these buildings all owe their design to architects Gerlof Bartholomeus Salm and Abraham Salm. Remco van der Kuijp researched the place of father and son in architectural history. PhD defence on 25 March.

Plants that grow in patterns of stripes on the edge of deserts, plankton that live on the sea bed or oscillate in the water, and melanomas that spread throughout the body. Mathematician Lotte Sewalt discovered the common elements in these three systems. PhD defence 8 September.

Victor Gijsbers, university lecturer in Philosophy, has been chosen as a fellow of the Leiden University Teachers' Academy. Over the next five years and with €25,000 to spend, he will be looking for a new interpretation of the Philosophy of Science for Humanities course. ‘Treating a tough and abstract…

Karwan Fatah-Black of Leiden University, an expert in the area of Dutch colonial history, wrote the text for a slavery remembrance memorial that was unveiled on 1 July in Hoofddorp. The official abolition of slavery was proclaimed 155 years ago on 1 July 1863. On Sunday 1 July 2018 the national remembrance…

The world’s attention will shift to China as the Communist Party is set to hold its five-yearly congress beginning on 16 October. We talk to Senior University Lecturer Florian Schneider about how its leader Xi Jinping is expected to cement his place as the country’s most powerful leader since Mao Ze…

PhD candidate Layla van Wieringen examined how extremist beliefs are passed on within households. In her dissertation ‘Rotten Trees, Bad Apples? Understanding the Intergenerational Transmission of Extremism’, she reveals a reality that media and politics rarely address.

All microscopic objects, from enzymes to paint particles, are jittering constantly, bombarded by solvent particles: this is called Brownian motion. How does this motion change when the object is flexible instead of rigid? Ruben Verweij, Pepijn Moerman and colleagues published the first measurements…

Every year around 8 February, Leiden University, the oldest university in the Netherlands, is celebrating its birthday. Why does the King still receive a telegram on the day of the Dies Natalis? 4 questions on the origins of Leiden University and its traditions for celebrating its foundation day.

Can you talk passionately for three minutes about your science or medical research?If the answer's 'Yes', sign up for the Leiden qualifying round of the FameLab international science competition. Registration is now open.

The cloud is of increasing importance in our daily lives. It is thus crucial that they work properly and are reliable. Alex Uta, assistant professor at LIACS, received a Veni grant to investigate the reproducibility of experiments in the cloud.

In our collective journey to bridge social, economic, and cultural inequality in society, we must al play a part, says Wilco van Dijk. Unfortunately, notes Carolien Rieffe, minority groups are often not included in this 'we.' This became a focal point of discussion during the fifth Psychology Connected…

He announced this news in a tweet earlier this month: 'Delighted to announce that I've been appointed Full Professor of Global Security and Technology'. So let's get more closely acquainted with Dennis Broeders (46), who explains why the Institute of Security and Global Affairs (ISGA) is ideal for him,…

As a mathematician, Fred Rohde (1948) explored the world of numbers. As a photographer, he captured demonstrations. And now he’s reconstructing his mother’s wartime story – an extraordinary tale of her stay with an Austrian family, the inventors of asbestos cement.

With a healthy dose of logic and creativity, mathematics student Lance Bakker shows how computers can prove complex mathematics. His method proves intricate formulas without calculating every intermediate step. It earned him a nomination for the Leiden Science Young Talent Award 2025.

In the Digital Humanities Lab, students and staff can make use of various technical facilities. PhD student Caeso tells us more about his experiences with the printer in the Maker Space.

How do children learn to see the world through someone else’s perspective? Max van Duijn, assistant professor at the Leiden Institute of Advanced Computer Science (LIACS), receives 24,167 euros from the Elise Mathilde Foundation and the Leiden University Fund (LUF). With this grant he will set up a…

Imagine: you walk into a museum, see something that catches your eye and before you know it, you have an internship. This is what happened to history student Davey Verhoeven, who went on to work on the exhibition about the unique Japanese folding screen by Kawahara Keiga (approx. 1786 – approx. 1860)…

Religious studies specialist and historian Tom-Eric Krijger talks about the new pope. Will he be a mediator or someone who dares to take a stand?

Galaxies are often found in clusters, which contain many “red and dead” members that stopped forming stars in the distant past. Now, an international team of astronomers, led by Andra Stroe of Leiden Observatory and David Sobral of Leiden and the University of Lisbon, has discovered that these comatose…

They can play a role in metabolic disorders and can break down tough plant fibers: β-glycosidases are enzymes that play many roles in nature. Fredj Ben Bdira changed these enzymes in order to enhance the production of clean energy and to improve the treatment of patients with metabolic diseases.

The most famous cat in science is Schrödinger's cat, the quantum mechanical mammal, which can exist in a superposition, a state that is alive as well as dead. The moment you look at it, one of both options is chosen. Leiden University physicists simulated an experiment to catch this mysterious moment…

Historian Marjan Schwegman is the new Cleveringa Professor. Her lecture on 27 November will focus on Eduard Meijers, the Jewish professor who was dismissed by the Nazis. Schwegman's previous posts include Director of the NIOD Institute for War, Holocaust and Genocide Studies.

The LGI is pleased to annouce that seed money has been granted to Dr. Miguel John Versluys (Archaeology), Prof. Caroline van Eck (Art History) and Prof. Pieter ter Keurs (Anthropology) for their research on Globalisation, materiality and the transference of cultures.

Imagine: you are at the end of your fieldwork in Peru and ready to go home when all flights get canceled because of Covid-19. It happened to master student Visual Ethnography Mark Lindenberg. By now, four months later than scheduled, he is back in the Netherlands. How does he look back? And what was…

What happens in young people's brains when they win money for someone else? Psychologist Elisabeth Schreuders has shown that the brain responds differently according to the type of friendship and that the response is strongest with stable relationships later in adolescence. PhD defence on 6 March.

The European Research Council (ERC) announced the awarding of 494 Starting Grants to young scientists across Europe. One of these scholars is Corinna Jentzsch, Assistant Professor of International Relations at the Institute of Political Science. She received this grant for her research project ‘Countering…

Ruurd Halbertsma combines his work as a curator and professor by special appointment with writing thrillers. 'I'd rather respond to the discussion on looted art this way than by joining talk shows.'

What does the future of quantum look like? Vedran Dunjko (Assistant professor at LIACS and LION) is co-founder of the applied quantum algorithms (aQa) leiden interdepartmental initiative research that will investigate this. They are part of the Quantum Delta NL consortium that was recently awarded substantial…

From research on stellar winds to sign language: an impressive seven researchers from Leiden University will receive a prestigious Vici grant from the Dutch Research Council (NWO).

For six months, Rachel and Daan, students of Italian language and culture, are studying in Rome on an Erasmus scholarship. Below they talk about their experiences.

The Sustainable City Lab The Hague will be a hub that connects organisations in The Hague that work on sustainability with the research and teaching at Leiden University. ‘We’re going to set to work on complex sustainability challenges in our own backyard,’ says project leader Eefje Cuppen.

At the end of October the students of MA International Relations: European Union Studies once again made the journey to Brussels for three days of behind-the-scenes insights into EU politics and policy-making. From the intricacies of European defence cooperation to the future of digital trade, students…

While all European nations have condemned the Russian invasion of Ukraine, there is one country Russia can still count on: Belarus. Russia even used its territory as a stepping stone for the invasion. We spoke with Matthew Frear, Assistant Professor and expert on contemporary Belarus, to shed light…

Attention to the colonial past may be increasing, but many aspects of it are still underexposed. Dutch newspaper De Volkskrant, in collaboration with, among others, Leiden researchers Anne-Marieke van der Wal-Rémy and Alicia Schrikker, therefore created a 'Canon of the Dutch Underexposed Past', which…

Wouter Veenendaal, a political scientist at Leiden University, is an analyst for the Freedom House report. Freedom House is an American non-profit organisation dedicated to democracy, political freedom and human rights. In short, the report describes the degree of freedom and the state of democracy…

Together with students and local residents, historians Ariadne Schmidt and Alicia Schrikker researched the Leiden Transvaal neighbourhood. They will present their findings on Thursday 20 October, at a specially organised mini-festival in the neighbourhood.

Five researchers from Leiden University have been awarded an Open Competition Domain Science ENW XS grant by the Dutch Research Council for their research projects.

Assistant professor Max van Duijn is the new chair of The Young Academy. He aims to support young academics, bring research closer to society and make academia more resilient.

What if you could watch a single cell eat in real time? This could answer questions about diseases such as cancer. PhD candidate Yixuan Wang has developed a glowing chemical tool that makes this possible, revealing how living cells take in nutrients.

LERU, the League of European Research Universities, celebrated its fifteenth anniversary on 7 March in Brussels. The network of leading European universities has now grown to include 23 universities.

The antibiotic EVG7, developed in Leiden, has proven capable of fighting the dangerous gut bacterium C. difficile with only a minimal dose. What’s more, the bacterium is far less likely to return, a major issue with existing antibiotics. The research was published in Nature Communications.

The debate on migration and criminalisation concerns everyone from citizens and policymakers to academics. The Crimmigration in an Age of Authoritarian Drift conference in Leiden in July aims to offer new insights and encourage collaboration. Artists are playing a key role.

Are international courts effective? Dr Fatou Bensouda, a former Lead Prosecutor of the International Criminal Court in The Hague (ICC), will discuss this issue during her lecture at the Owada Symposium 2025. The ICC’s efficacy depends on the actions of its member states, she says.

Of course, Jan Melissen is proud of the publication of his new book. Even so, one painful memory lingers: because of American interference, he was forced to remove the chapter on citizen diplomacy, diversity and inclusion. ‘It did affect me.’

Next week, Sara Perlstein will defend her PhD on risk talk: the everyday conversations we have about risks with people close to us. From eating sushi to climbing or smoking, these informal talks shape how we deal with danger in other ways than official health advice does.