The opening of the new academic year highlighted students' and lecturers' personal motivators. Incoming students were encouraged to be bold, forge their own paths and grow by trial and error.

Should we ban snack bars from neighbourhoods where residents are overweight or have diabetes? At the Common Sense about Health knowledge festival, scientists, civil servants and other professionals discussed how South Holland can become healthier. The Healthy Society Map makes it clear where there are…

At least six people are off to a good start of the summer, because they are the recipients of a Meijers grant. For the next few years, these researchers will be able to devote themselves to their PhD research. Let’s meet these new PhD candidates!

Lecture, Com(parative) Syn(tax) Series

Doing your taxes, Netflixing or driving a car: more and more daily activities are supported by computer applications. It is challenging and expensive to test software thoroughly, leading to errors in most applications. PhD candidate Benjamin Lion made a mathematical framework to deal with this problem.…

Ben Kuipers is benoemd tot hoogleraar Publiek Leiderschap bij FGGA. De leerstoel Publiek Leiderschap (0,2 fte voor een periode van vier jaar) wordt extern gefinancierd vanuit het samenwerkingsverband VPL (Verder met Publiek Leiderschap) en is ingebed in het Leiden Leadership Centre (LLC)

A clean street, public transportation, or taxes: these are all public goods that keep society running. But how do people decide which public good to invest in, if at all? These are the kind of questions PhD student Laura Hoenig explores.

Money, cultural anthropologist Coco Kanters concludes in her dissertation, is not an intangible or acultural phenomenon. It is a ‘product’ that arises from specific values and can be used for certain goals.

Professor of International Relations Daniel Thomas is clear: anyone taking peace in Europe for granted is shutting their eyes to reality.

Care robots, medical treatments, deepfakes and self-driving cars all with the aid of artificial intelligence (AI). The BrAInpower exhibition at Rijksmuseum Boerhaave shows spectacular applications of AI and explains how it can make such huge leaps. Bas Haring, Professor of Public Understanding of Science,…

The nominees for the IRO thesis prize 2023 and the Prof. Dr. J.Th.J. van den Berg-prijs 2023. Who wrote the best bachelor theses in Political Science?

After the death of the Prophet Muhammad, the Islamic Empire expanded at a tremendous pace. Within a hundred years, it stretched from the Atlantic Ocean to the Indian subcontinent. How did such a rapidly conquered territory become one empire? Professor Petra Sijpesteijn has been awarded a Vici grant…

The celebration of the university’s 450th anniversary is not confined to the walls of the university. For the 7th time, professors stood in front of the class of grade 7, in both Leiden and The Hague. Four FGGA professors visited primary schools, introducing the children to research questions such as…

Besides the launch of our new degree programmes in The Hague, at the start of this academic year we are also fully committed to the renewed curricula of our existing bachelor’s programmes. Here, you can read about the most important developments within the programmes.

Studying in the small hours, jotting down info on cards, revising together; everyone has their own methods for studying. And no sure guarantee exists for study success. Still, it can't hurt to occasionally ask fellow students if they have any tips. For example from Sabine Pennings – bachelor’s student…

Nu de NAVO inzet op 5% defensiebudget, zoekt Nederland naar financiering. Politicoloog Van der Zwan ziet kansen bij pensioenfondsen—mits defensie duurzaam heet.

Amsterdam-based bicycle company VanMoof was declared bankrupt in court this week. The company had been struggling with financial problems for some time and recently closed its doors, causing great concern among customers. Several affected customers whose newly bought or repaired bikes were still being…

The university was a gift from William of Orange to the people of Leiden for their courageous resistance to the Spanish. We’ve all heard the story of the university’s foundation. But its foundation was also a success story for two friends.

There are lots of important items on the education and teaching agenda for 2024. Reaccreditation for the Law programmes including Notarial Law and Tax Law degree programmes, preparations for the implementation of the Kernvisie Bachelor, a new online teaching platform and a Teaching Fair, to name just…

On 1 January Irma Mosquera Valderrama succeeded Jean-Pierre van der Rest as PhD Dean, completing the changes to the team of PhD deans at Leiden Law School.

Have you considered including the Leiden University Fund in your will?

The University urgently needs IT talent. The ISSC has therefore started a pilot refer-a-friend scheme: if you recommend someone you know for a hard-to-fill IT job and they are hired, you will receive a 1,500-euro (gross) bonus. ‘So hit us with your golden tips,’ says ISSC director Joop van der Born.

At Leiden Law School’s first Faculty Research Day, scholars were invited to consider the ongoing war in Ukraine from their own perspectives and expertise. Various aspects surrounding this topic were addressed during lectures, discussions, and workshops.

Tamsin Prideaux recently joined the Institute for History as postdoc. Below she introduces herself.

Twaalf rechtenstudenten krijgen tot maart 2025 de kans om achter de schermen te kijken bij rechtbank Den Haag via het Honours College Law-vak ‘Masterclass rechtbank Den Haag’. Studenten Quinten Heerma en Eva Verdellen delen hun ervaringen met deze Masterclass.

The free AI and Ethics course (in Dutch) is available online to anyone who wants to find out more about the ethical implications of artificial intelligence. One of the eight experts featured in the course is Professor Reijer Passchier. ‘Artificial Intelligence is spreading so fast and has such an impact…

Life returned to something resembling normal after Covid but other crises soon took its place. These great challenges are also being felt at the University and our researchers are working on solutions. The nitrogen crisis, problems with young people’s services and an increasingly urgent climate crisis:…

Foreign investments in the Dutch East Indies during the colonial period could have been of more benefit to the Indonesian economy. Foreign investments in the Dutch East Indies during the colonial period could have been of more benefit to the Indonesian economy. But the complicated relationship between…

On 10 May 1940, the Netherlands was taken completely by surprise by the attack of the German army. Wasn’t it? In his dissertation, Wouter Linmans debunks the idea that the Second World War took the Netherlands by surprise. ‘From 1935 onwards, all major political parties wanted to invest in the military.’…

Over the past year, historian Fenna IJtsma delved into 'four centuries of historical greenery'. As part of the Heritage Deal, with input from biologists at Naturalis and others, she looked for inspiration and examples from the past to contribute to a future climate-proof city centre.

Nanoplastics can accumulate in developing hearts, according to a study by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health.

"Climate citizenship” explores how adapting environments to climate change can change the way people interact with each other and with government. It focuses on nature-based or 'green' climate infrastructure projects that make use of natural entities or dynamics. With an ERC grant, anthropologist Andrew…

On Monday 27 October, Jasper goes on safari in the Van Steenis building. And will he manage to stay dry more often than he gets soaked cycling between meetings? You’ll find out – along with the rest of Jasper’s day – in this column.

A group of biology students are working on a solution to the world’s plastics problem by getting bacteria to make biodegradable plastic.

More severe droughts that will also last longer: this will primarily be a problem for irrigated croplands, as discovered by environmental scientist Qi Chen. Mixed forests with a variety of plant species will be the least vulnerable. Chen compared the effects of drought on different ecosystems across…

De Faculteit Archeologie bestaat dit jaar 25 jaar. Ter ere van dit jubileum opende de faculteit op 1 maart zijn deuren voor het brede publiek.

Is it a prehistoric mammoth tooth or just an ordinary pebble? It was National Finds Day at the Dutch National Museum of Antiquities on Saturday 17 June, and Leiden University was one of the collaborating partners.

Back in 2020, Dr Maikel Kuijpers started to write for The Correspondent. His articles offered readers a unique long-term insight into the materials that shape our world, from concrete to glass and plastics. His innovative approach piqued the interest of a literary agent, and he was invited to write…

National Meat Free Week (Nationale Week Zonder Vlees, 7–13 March) is an initiative to reduce meat consumption. Assistant professor Paul Behrens is studying what impact a change in our food consumption would have on the world. What, according to him, are the main reasons to switch to a (mainly) plant-based…

The Municipality of Oss is a household name in the world of Dutch archaeology. For fifty years, Leiden archaeologists, in collaboration with residents of Oss, have been uncovering the history of the municipality. 2024 is the archaeological year of Oss! In a series of interviews we look back on fifty…

They were eagerly awaited: four letters from five ministers that should provide clarity on how to get us out of the nitrogen crisis. Nitrogen expert Jan Willem Erisman explains the plans. And says whether they will get us out of the nitrogen crisis.

How is interdisciplinary collaboration faring at Leiden University? And has disciplinarity been completely abandoned? I’d like to reflect on some concerns among colleagues and on our plans for the future.

Many traces of the city's slavery history can be found in Leiden but the public isn't always aware of them. The initiators of 'Mapping Slavery in Leiden' want to change this with guided tours and street markers. Representatives of the University and other Leiden institutions will be giving the first…

Cutting down global emissions of greenhouse gases to combat global warming won’t do the trick alone: we also need negative-emissions technology that can capture carbon dioxide directly out of the air. In the prestigious journal Global Environmental Change, PhD candidate Oscar Rueda and colleagues shed…

Does a communal garden provide cool air and warm neighbourly relations? Does an additional row of trees increase biodiversity? These kinds of questions are key in the COMBINED project, on which Leiden scientists and residents of The Hague, among others, can work for six years with 4 million euros from…

There has been a lot of media attention for the report recently completed by the Institute of Environmental Sciences (CML) from Leiden University. However, it has long been known that Dutch surface water contains too many toxic pesticides. ‘We will have to improve our ways of life together with many…

Rapid developments in DNA techniques allow researchers to find out more and more about human genetics. An international group of scientists has drawn up five ethical guidelines to ensure that this DNA research is better regulated. Leiden archaeologist Marie Soressi – one of the signatories - explains…

Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.

Give organisms like plants and animals the freedom to move, interact and meet their own needs, and they will thrive on their own, says Professor Geert de Snoo. Our interference often ends up doing more harm than good.