A full overview of all loans and debts between banks would help preventing a new financial collapse. But banks do not provide this information. An econophysics model by Diego Garlaschelli and collaborators reconstructs the most probable situation and finishes first place in two independent tests.

For ten months, PhD student Sanne Rotmeijer worked on the editorial boards of various news media on Curaçao and Sint Maarten. She also tracked how news goes around on the streets and circulates on social media. The aim? To find out how stories became 'the news'.

Leiden PhD candidate Jo-Anne Verschoor discovered that nearly twenty percent of the bacterial strains she studied could degrade plastic, though they needed some encouragement to do so. ‘Bacteria are just like people,’ says Verschoor. Her research was published in the journal Communications Biology,…

From a Tuscany escape room to scientific illustrations of flowers, and from Chinese movie subtitles to innovative education methods for children, every subject imaginable was covered at the first ever Honours College Conference. ‘You get the chance to break away from the standard study path.’

Scientists of the faculty of Governance and Global Affairs research completely different subject, among which terrorism, cybercrime and migration. In the upcoming weeks we will give the floor to several of our very best researchers. In this episode: Constant Hijzen researches secret services.

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…

As of 1 September , Karel Berkhoff has been appointed professor by special appointment in Ukrainian History. In this position, made possible in part by the KNAW, he will focus primarily on dark moments in recent Ukrainian history: the persecutions that have taken place in the first half of the twentieth…

Explaining your PhD research to others can be quite difficult, especially without talking! PhD student Annebelle Kok of the Institute of Biology Leiden was one of the finalists of the 'Dance Your PhD' competition of scientific journal Science. ‘You have to understand your own research well if you are…

For the students of our Dutch institutions, the Netherlands Embassy supported an ‘academic retreat’ at hotel Stella de Mare in Ayn Sukhna. During this two-day retreat, our students discussed with students of al-Azhar University in Cairo on various topics. It was an open exchange of ideas and feedback…

For nine years, Mirjam de Baar was vice-dean at the Faculty of Humanities. On Monday 17 March, she took her leave in the Academy Building. ‘You have worn out two deans, two vice-deans, four business managers and six assessors.’

Emilie Stumphius and Lennard Kosterman competed in the 10th Business Mediation Competition in Paris. The two Leiden Leadership Programme students were the first team from Leiden University to participate, after winning a wildcard at the Dutch Mediation Competition.

Migraine is a brain disease. If it were simple, we would have solved it already'. That is the title of the inaugural lecture delivered by Professor of Neurology Gisela Terwindt on Friday 3 June. In her speech she emphasises the importance of research into the differences between women and men with m…

Academic research on terrorism is getting better all the time. This is the conclusion of university lecturer Bart Schuurman after studying 3,442 articles. He published his study in Terrorism and Political Violence.

Nanoparticles that transport medicines to a specific part of the human body are usually broken down in the liver prematurely. Jeroen Bussmann from Leiden University has discovered a new method to prevent this from happening. Publication in ACS Nano.

Almost 100 billion tons of CO₂ could be pulled out of the atmosphere by the end of the century. That is, if high-income countries switch to a plant-based diet. The double carbon profit of returning farmland to its natural state would equal about 14 years’ worth of agricultural emissions, researchers…

In a new study published in PLOS One, Leiden archaeologist Anastasia Nikulina, together with an international team from France, Denmark, the United Kingdom and the Netherlands, challenges the long-held belief that early humans had minimal impact on their environment before the rise of farming.

On 5 November 2021, Professor Michiel van de Sande of the Department of Orthopedics in the Leiden University Medical Centre (LUMC) delivered his inaugural lecture ‘The Art of Doing and Doing Nothing’. Van de Sande used the opportunity to explore both physical and philosophical aspects of co-decision…

From 12 to 16 April the joint Career Services of the faculties present on Campus The Hague organised the Online Campus The Hague Career Event. Around 600 students signed up! Every day of the week, they could join presentations, webinars and workshops presented by alumni, professionals and Career advisors,…

Paul Behrens and his team have won the Frontiers Planet Prize of half a million euros for their research into the effects of switching to a plant-based diet.

There is much wrong with the taxonomy of the plant genus Phyllanthus. Roderick Bouman of the Hortus botanicus Leiden has developed a new phylogeny for Phyllanthus and exposes the evolution of the plant genus. Publication in TAXON.

Sumerian is a dead language that is not related to any other language. Howeverr, Bram Jagersma managed to compile a grammar of the language, based on inscriptions and clay tablets. Traces of the Sumerian number system can still be seen in our sixty-minute hour. Jagersma received his PhD on 4 Novembe…

The worldwide race to the quantum computer is in full swing. This computer can bring about a breakthrough in discovering medicines and new materials. Leiden researchers, together with the TU Delft, are taking part in the race. There is now a dossier online about their work.

PhD students Alex Brandsen and Wouter Verschoof-van der Vaart are both doing a project within the university’s Data Science research programme. The are introducing terms like ‘text mining’ and ‘advanced machine learning’ into archaeology. ‘These techniques will make archaeology more efficient and ch…

On 9 April 2019 the graduation ceremony of the master Crisis and Security Management (MSc) took place. Three graduates were asked how they felt now, what they are going to miss, whether they would have wanted to do something different looking back and what their future plans are.

On Thursday, December 12, 2024, historian and terrorism expert Beatrice de Graaf will deliver the 53rd Huizinga Lecture at the Stadsgehoorzaal in Leiden. Under the title

It appears to be a paradox: ultra-thin material that absorbs all the incident light. Nonetheless, it does exist. Two Leiden researchers report on their research in ‘Applied Physics Letters’. The article is among the Top 20 of the most downloaded articles of this reputable journal in May.

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…

In the new board game Epoch – Early Inventors you explore the prehistoric landscape. You gather food and raw material to develop tools and skills, and you try to appease the gods. Dr Maikel Kuijpers was involved in its development from the start and he is very happy with the result. “There is a lot…

Nearly all students have faced many challenges this academic year. Students Nasreen Javanjoo (Religious Studies) and Marcos Cordova (Literary Studies) talk about their experiences of studying in the time of coronavirus.

Arnold van der Valk on Food Council MRA.

Is polder rice a feasible circular alternative for cows on peatland? A pilot experiment started this week. On May 22nd, researchers from Leiden University and Wageningen University & Research (WUR) planted roughly 3,000 rice plants on the Polderlab near Leiden. The researchers want to test rice as a…

Eveline Crone surmises that adolescence also has a positive effect on social development. She believes, for example, that it is in adolescence that young people learn the skills of cooperation, sharing and helpfulness. She will be researching this hypothesis in the coming period with an ERC Consolidator…

Rector Magnificus Hester Bijl can see dilemmas but above all opportunities in the search to increase the societal value of research in Leiden.

Marco Romagna is a PhD candidate who is currently researching hacktivism and hacktivists, online activists with hacking skills, a relatively new field of study. Romagna teaches at The Hague University of Applied Sciences working within the Centre of Expertise Cyber Security and is also connected to…

We already know a lot about genetics and the risk of breast cancer. But much still needs to be done in breast cancer genetics to improve the prognosis and make sure women at high risk aren’t missed. This is what Professor by Special Appointment Marjanka Schmidt will say in her inaugural lecture on 4…

The Institute for Philosophy has a new Academic Director: on 1 February, James McAllister was succeeded by Douglas Berger. We asked him about his plans.

It is with great sadness that we announce the passing of our esteemed colleague Laura van Hoof on Wednesday 1 October, after an illness of more than a year. An alumnus of Leiden University, she worked in the Student Affairs department of the Faculty of Humanities, as the education coordinator for the…

Women are more often diagnosed with depression, whereas ADHD is much more frequently detected in men. And there are other more striking differences. What role does the brain play in mental health and what is the influence of the environment? For answers to these questions, listen to the ‘(Un)gendered…

Some thirty Leiden students balanced on SUP boards for the Supping for Sustainability Lustrum activity. Together with alumnus Merijn Tinga, better known as the Plastic Soup Surfer, they paddled their boards through the Leiden canals and waterways, fishing plastic waste out of the water.

Antibiotic resistance is an economic problem. Pharmaceutical companies cannot earn much from antibiotic research, so they do not invest in it. This makes it important that universities do so, says Ned Buijs.

A therapeutic vaccine against HPV-16 (type 16 human papillomavirus) improves the survival rate in cervical cancer patients. A new study by ISA Pharmaceuticals B.V. (a Leiden-based biotechnology company) and the Leiden University Medical Center (LUMC) shows that this vaccine produces a more robust response…

Astronomers led by Leiden astronomer Sebastiaan Haffert have directly imaged two planets that are gravitationally carving out a wide gap within a planet-forming disk surrounding a young star. While over a dozen exoplanets have been directly imaged, this is only the second multi-planet system to be p…

More than twenty students were awarded an ALGANT diploma, the prestigious two-year master's in Algebraic Geometry and Number Theory from the Mathematical Institute of eight collaborative Universities on July 18th. At the graduation ceremony in Padua, Italy, five students who had spent their second year…

The proportion of children who are overweight has increased enormously over the past 20 years. The number has currently stabilised but even so there are still too many overweight and obese children. Could there be some connection with the way they are brought up? Roxanna Camfferman's PhD research shows…

The Honours Academy has recently started working with the new visual technology Virtual Reality (VR). 'It is important to look beyond your own borders and to keep on experimenting. It may not work out, but at least you tried.'

Online teaching has made it much easier for international students to join in our courses. The Leiden minor in Global Health, for instance. Students from Tanzania, Rwanda, Uganda and Malawi logged on and made a valuable contribution with their knowledge, about tropical diseases, for instance.

A circular economy in which all resources are reused is a prerequisite for a sustainable world. As EU president, the Netherlands can give a firm impetus to this economic shift. This is the message of Leiden Professor of Industrial Ecology, Arnold Tukker, in his inaugural lecture on 26 February.

‘We can see further than the end of our noses.’ This is what the presidents of the three Zuid-Holland universities in the LDE Alliance say in ScienceGuide. Leiden University, Delft University of Technology and Erasmus University Rotterdam have been working together within the LDE Alliance for seven…

Amid rising polarisation and discrimination, lawyer and human rights activist Lilian Gonçalves-Ho Kang You wants to show in her Cleveringa Lecture on 26 November how dangerous exclusion is.

Biodiversity in the Netherlands is having a tough time. Professor of Natural Capital Koos Biesmeijer combines research with practical advice: from the greening of industrial parks to solutions inspired by hi-tech nature. Inaugural lecture 9 March.