How many decimal places of π (pi) do you know by heart? That was the question during a special competition on pi day last week in the central hall of the Gorlaeus. The winner of the competition managed to recite 169 digits after the comma. Jonathan Love reveals his secret.

Martin van Hecke en Anne Meeussen publiceren in het tijdschrift Nature over mechanische metamaterialen. Ze hebben een nieuwe klasse multistabiele materialen ontdekt. Dit is gebaseerd op ribbeltjes plastic.

Nitrogen professor Jan Willem Erisman and Ton Brouwer have released a new report presenting scenarios to actually meet the agricultural nitrogen targets for 2030. Their message to politicians in The Hague: ‘Look at this approach — it is possible.’

For four years, Vicky Beckers examined thin slices of wood under a microscope, mapping the anatomy of two plant families. Her research helps identify different wood species, benefiting both the timber trade and archaeology.

A suitcase covered with stickers from various universities, containing a quantum light source. Since April 2024, this suitcase has been visiting scientists in Europe researching single photons: the smallest possible quantity of light. The suitcase, also called ‘Q-torch’, travels from lab to lab like…

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

The author Manon Uphoff from Utrecht will be Leiden University’s new ‘writer in residence’ from autumn 2025. As the writer in residence, Uphoff will contribute to several courses on writing offered by the BA Dutch Language and Culture programme.

Psychology teacher of the year is Anouk van der Weiden. The master thesis awards are for Irina Verhülsdonk and Christel Klootwijk. Eliška Procházková receives the PhD publication prize; Katja Cardol and Judith Tommel the PhD wild card: the Open Science Award. Conny Binnendijk earns the OBP prize and…

In 2022, Leiden will be the European City of Science. University lecturer Jaap de Jong has created special assignments for the journalism master's students to celebrate this: they will go into the city to visualise knowledge from the city.

‘Very interesting’ is what two bachelor students have to say about the stories by Liesbeth van Vliet and Niki Antypa during the Psychology Science Day. The icing on the cake were the poster presentations about the bachelor's theses, admired and commented on by scientists and fellow students. Teachers…

The Leiden municipality wants to make the city centre climate-proof and combat heat stress by greening it. But they want to do this in a way that does justice to the city’s heritage. Researcher Fenna IJtsma delves into historical greenery to offer inspiration.

Research

‘Wadden Sea Sounds’ is the name of a new project launched by the Waddenvereniging in collaboration with researchers from Leiden University and the University of Groningen. The aim is to find out how underwater noise affects marine life in the Wadden Sea.

Buying chocolates as a sign of love, getting the best deals on Black Friday and putting on a spooky costume for Halloween. In recent years, these holidays and traditions have taken off in the Netherlands, even though they originated on the other side of the ocean. Why are we so excited about American…

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…

The university campus at the Leiden Bio Science Park is flourishing. A new book tells the stories behind this remarkable metamorphosis.

On the initiative of Leiden Law School’s Art Committee, the festive opening of the photo exhibition of the Leiden Amateur Photographic Society (LAFV) took place on Friday 20 May 2022 in the C corridor of the Kamerlingh Onnes Building.

The prestigious Praemium Erasmianum Dissertation Prize is annually awarded to the five best dissertations published in the year before in the fields of Humanities, Social sciences and Law. During a festive ceremony in Utrecht Lennart Kruijer received the award from the hands of professor Bas ter Haar…

A deliberate attack on a tangible element of a culture, such as a temple, is often also an attack on intangible elements: the religion or religious customs. Equally, the intangible can be attacked without the involvement of the tangible, for example the brutal curtailment of rights. How are these reflected…

Rogier Creemers is a lecturer in Modern Chinese Studies. While he looks for challenges in his lectures, in his free time he much prefers to go back to basics and work with his hands.

Over the past few months, Urban Studies students have been helping to think about the realisation of the Humanities Campus. To test their knowledge in practice, the future urban specialists gave advice on several different aspects, including thermal energy storage and the new central campus building…

Lack of manliness, avaricious or too imaginative. These are just a few of the accusations with which British scientists discredited each other over a hundred years ago. PhD candidate Léjon Saarloos researched British scientists around the year 1900 and their idea of what makes a good - and therefore…

The Dutch Ministry of Finance commissioned the scientific institute for economic research SEO Amsterdam Economics to investigate to what extent the benefits system and the provision of services have been improved in recent years. The aim of the research project is to determine whether the legal framework,…

Twice a year, Gert Renkema, Head of Financial and Economic Affairs at FGGA, provides us with an update on the faculty’s finances. This time, he sits down with Niels Laurens, Director of Operations, over a cup of coffee and tea to share the results of the past year and the financial outlook.

Neele Boelens is a board member at DWARS, the youth organisation of political party GroenLinks. In addition, she is studying towards two degrees at Leiden University: Linguistics and Public Administration. A busy year, especially with the upcoming elections.

Technological innovations such as home dialysis could significantly improve the quality of life and health of kidney patients. Professor Joris Rotmans therefore wants to continue pushing for new medical technology, as he will explain in his inaugural lecture on 24 March.

Our dear colleague and friend Kathy MacDonald passed away unexpectedly on August 9th, 2022, a few days after her 46th birthday. Her sudden passing came as a tremendous shock to her colleagues and friends at the Faculty of Archaeology and to colleagues and former students both in The Netherlands and…

A big performance by André Rieu, food trucks in The Hague and more contact with the Royal Family: grand plans were announced in April to make the State Opening of Parliament (Prinsjesdag) a real ‘crowd puller’. For this year, however, we will just have to make do with slight differences in emphasis.…

Leiden University College The Hague received the 'Top rated Programme' seal from the Keuzegids Universiteiten 2023 (Dutch University Guide). It is the tenth consecutive time the Liberal Arts & Sciences programme focusing on Global Challenges is awarded the honorary seal.

Violent conflicts and civil wars in Chad impede most rural households' access to food security, agricultural activities and access to essential services such as health care. In her dissertation, Nakar Djindil Syntyche denounces this issue. She obtained her PhD on 24 November.

In a lecture for the University of the Netherlands, Reijer Passchier, assistant professor in constitutional and administrative law, speaks about the state of our democracy. ‘Is it not time to upgrade our democracy?’

Hoogleraar Radicalisation Studies Tahir Abbas wil mensen er bewust van maken dat radicalisering voortkomt uit hoe wij als mensen samenleven

The Faculty Council is the main consultation and advisory body within the Faculty of Archaeology. Three students and three staff members together represent the Faculty community, advising the board, as well as taking the initiative to put things on the agenda. We speak with council member, and bachelor's…

Understanding the behaviour of tiny droplets in our cells could aid the search for new treatments. A team of Leiden researchers has developed a groundbreaking method to study how these droplets transition from liquid to solid. This change plays a role in various diseases, including neurodegenerative…

Throughout the year, master's student Berber Kommerij is busy analysing medieval and early modern books and paintings. Every summer, however, she leaves for the Norwegian fjords to conduct sea kayaking tours. 'Watersports are my great love.'

Professor Edmund Amann will be the new Professor of Brazilian Studies. A short introduction.

Russian literature is awash with disputes, riots and intense political debates. In the new Dutch podcast Schandaal en Controverse in de Russische literatuur, senior lecturer Otto Boele and film maker and journalist Kay Mastenbroek discuss the most talked-about Russian books published in the past two…

Career Services of the Faculties Governance and Global Affairs, Social Sciences, and Humanities joined forces to organise the ‘Meet the Employer’ Week held from 6 – 10 December 2021!

We always need to find a new way to tell the story of 3 October, believes Ariadne Schmidt. The professor by special appointment of History of Urban Culture will be working with students to involve more people in the history of that day. ‘I’m too much of a historian to say: we can just let it be a “fun…

Gerard van Westen has received the KNCV Gold Medal, the most important Dutch award for chemists under 40. 'It's a huge honour,' says the professor of AI and medicinal chemistry. 'I am now part of the group of people I was always impressed by.'

Brian Shaev recently joined the Institute for History as a lecturer in International Studies. He introduces himself.

On August 18, 2022, Henk Bodewitz, distinguished Indologist and emeritus professor of Sanskrit at Leiden University, passed away in his hometown of Utrecht.

With the final weeks of the year in full swing, many students are experiencing stress. This is where a chat with the student psychologist can bring some relief. Martine Efting Dijkstra explains what she and her colleagues can do.

Leiden professor of molecular astrophysics and astrochemistry Ewine van Dishoeck was presented with the Niels Bohr International Gold Medal on Friday 7 October. The medal, instigated by the Danish Society of Engineers IDA, was awarded by Queen Margrethe of Denmark at a ceremony at the Carlsberg Academy…

The promising early results of an international study have shown that insulin-producing cells grown from stem cells can cure the disease. The new Cure One LUMC research centre aims to accelerate this breakthrough.

A TikTok by student Loïs de Jong from Leiden University in which Leiden sparkles as a student city won the final of the Leiden Media Contest on 13 June. According to the jury, the film was ‘the most appealing for today’s generation of current and prospective students – it includes nearly all elements…

Rich countries are getting richer because of environmentally polluting (construction) investments from the past, largely at the expense of poor countries. This was shown by long-term economic and environmental data. 'The gap between poor and rich countries is widening.' Scientists from the Leiden Institute…

A diverse team of Leiden archaeologists applied for, and was awarded, the KNAW ‘Appreciated!’ grant, meant to further their science communication endeavours. We speak with Dr Maikel Kuijpers, who is the main contact person of the application.