Do you want to request a change to the academic requirements set by your bachelor's or master's programme? Perhaps you want to be exempted from a particular course, because you think you have already acquired the knowledge elsewhere. Or do you want academic credits earned at another institution to be…

By 2050, we can obtain 40 per cent of our demand for scarce earth metals from old smartphones, batteries, and wind turbines. This is crucial because otherwise, we may not have enough to accomplish the energy transition. An international team of researchers from China, the UK, and Leiden's Tomer Fishman…

The war between Ukraine and Russia is playing out not just on the battlefield but also on the geopolitical playing field of gas. Conflicts at the start of this century about this energy source were, says PhD candidate Ilia Barboutev, a precursor to today’s war.

Exchange: What and why?

It has already been a huge success in The Hague, and now the Lipsius building has one, too: an Acts of Kindness pillar. The official opening took place on Tuesday 20 September.

Master’s students in Industrial Ecology and Governance of Sustainability have helped answer organisations’ questions about sustainability

Astronomers have discovered an enormous supply of cold molecular gas in a galaxy shortly after the Big Bang. The finding offers a rare glimpse of the raw material from which the first large galaxies were built. Measurements suggest that around 95 per cent of the normal matter in the galaxy studied,…

During your studies you will probably stay in rented accommodation. But how can you find suitable accommodation? And what should you do if you have housing problems or issues with your landlord? Find out where you can turn for advice. And learn about the assistance available in DUWO international student…

A new administrative culture. Renewed vigour. More transparency. Will it become reality with the new government? And how do you go about achieving it? By all of us striving to change together: not just politicians, but also stakeholders, civil servants, media, and civilians. That was the conclusion…

When we think of ADHD, we often think of highly creative, hyperactive boys. But does this mean that girls don’t have ADHD at all?

The construction of 285 student studios on land owned by Leiden University is a step closer. On Thursday, student housing organisation DUWO and the Real Estate department of the University signed the leasehold agreement for the parcel of land in the Oegstgeest part of the Leiden Bio Science Park.

Is it acceptable for an algorithm to make mistakes? Quinten Meertens investigated this at Leiden University and the UvA and has been nominated with his research for the prestigious Christiaan Huygens Science Prize. The winner will be announced on 11 October. In April, Meertens received his doctorate…

Sport brings people together. This became clear on 9 April during the official opening of the new University Sports Centre. In a varied programme with live sports acts and even a basketball session with an Olympic champion, sport, history and human connection came together in a building designed for…

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…

How can we supply the growing world population with sustainable energy? At Laurens College in Rotterdam, Prof. Marc Koper speaks with the students about the crucial role of chemistry in the energy transition. Guest classes like this are a good way for school students to learn about the academic world,…

Moderne oorlogsvoering kent geen grenzen. Dreigingen zijn steeds vaker digitaal. Promovendus Annelies van Vark stelt dat Scandinavië beter voorbereid is op gevaar. Zij pleit voor een sterkere rol van de krijgsmacht, herinvoering van de dienstplicht en paraatheid – óók bij burgers.

Magnets for electric cars and wind turbines contain only a small amount of the rare earth metal dysprosium. Yet, this metal is responsible for a large share of the environmental impact and costs, according to research by environmental scientists Stellina Samuel, Robert Istrate and René Kleijn.

Could we stop cancer cells by cutting off their energy supply? That’s what Dione Blok, a bachelor’s student in Bio-Pharmaceutical Sciences, aimed to find out during her thesis research. She investigated a compound that affects the tumour cells’ energy metabolism. ‘Hopefully, these insights will provide…

For too long the Dutch collective memory has judged the Jewish Council too harshly. This perspective needs to be adjusted, Bart van der Boom argues in his new book ‘De politiek van het kleinste kwaad’ (lit. ‘The Politics of the Lesser Evil’).

Facility

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Research

In 2011, the Udhruh Archaeological Project was launched, bringing together teams of Jordanian and Dutch archaeologists to investigate the region and reconstruct ancient water harvesting techniques in the extremely arid landscape of Udhruh. Access to fresh water remains one of the most pressing global…

Climate change affects our well-being in many ways. On the science platform The Conversation, Inge Schrijver, Paul Behrens and Rutger Hoekstra of the CML describe how this is hardly taken into account in the climate models on which global policy is based.

Alumna Nadia Kadhim started in 2017 as a corporate lawyer implementing the General Data Protection Regulation (GDPR) at one of the companies where she volunteered. By late 2022 she had received both a Most Inspiring Women in Cyber Award and was on the Forbes 30 under 30 list with her legal start-up…

Childhood trauma can have a lifelong effect. Many therapists do not dare to confront these vulnerable patients with their past because they are concerned that the patients will be unable to cope. Research has now shown that exposure therapy can be helpful for this group of people.

Just like scientific articles, patents cite scientific literature to support their findings. These references provide valuable information on how science is used to develop practical applications. However, extracting this information from patents is not that simple.

After years of hard work, Urban Studies graduates were presented with their diplomas. How do they look back on their studies? And what can we expect from them in the future?

On 14 September, the Leiden Essay Film Festival will kick off. This three-day festival, organised by the Academy of Creative and Performing Arts, marks a first for the Netherlands. Never before has there been a public event entirely dedicated to the exceptional genre of the essay film. The festival…

CML grants three Stans Awards each year, known as the best student thesis, best PhD paper and best outreach from the past year. The CML staff nominated students and colleagues and this year’s jury Prof.dr.ing. Jan Willem Erisman and Prof.dr.ir Willie Peijnenburg made the final decision.

In what circumstances can EU competition law impose on a dominant firm a duty to supply a competitor? On 19 May 2021, the Europa Institute organised a virtual Leiden Law Exchange (LLX) Roundtable to discuss the European Court of Justice’s recent clarifications on the matter.

Could water be present in planet-forming disks before the formation of rocky planets? The James Webb Space Telescope may have found evidence for that. Webb has for the first time observed water in the inner disc around young star where at greater distance, giant planets have already formed. The research…

The master’s programme 'Jeugdrecht' (Child Law) at Leiden Law School has been awarded the gold medal by EW Beste Studies. It is the only degree programme at Leiden University to have earned this top award. Professor Mariëlle Bruning says, 'it’s the best compliment you could ever get in your career'.

The financial sector, supply chains and ecology. Not necessarily topics you might associate with physics, yet it’s exactly what new professor Diego Garlaschelli is dealing with. The common thread? Complex networks.

Our banking, DigiD and sensitive medical data: what if our entire digital infrastructure can no longer be trusted? Jelle Don has this question permanently in mind as he goes about his research. And that is no bad thing because without new digital security measures, our society will be extremely vuln…

The whole world gets raw materials from Latin America, but at the expense of nature. Håvar Solheim researches the role of organised crime in this environmental crime and Soledad Valdivia researches sustainable urban initiatives in Latin America. What do these university lecturers think the future of…

How can we manage our natural resources more sustainably? That’s the key question behind the United Nations’ International Resource Panel (IRP). The panel recently welcomed a new member: René Kleijn, Professor of Industrial Ecology at Leiden University. We asked him three questions about his new rol…

LUC students and staff came together this past semester to transform a local urban garden into a hands-on space for learning, experimentation, and community building.

Study career, professional development, and labour market preparation.

The digital age offers unprecedented opportunities: information is always accessible, systems are interconnected, and processes are automated. However, these developments also give rise to new threats. During the Night of Digital Security on 26 May at the Wijnhaven building, more than experts shared…

Europe’s security suddenly looks uncertain now President Trump has started negotiations with Putin. What does this mean for the Netherlands? What do we need to do?

On 24 January 2026, the Advanced MSc International Relations and Diplomacy (MIRD) hosted its Annual Reconnect & Gala, bringing together alumni from across the world, current students, and faculty. The event celebrated shared values, connection, and purpose, focusing on ‘The great shifts in international…

In August 2022 we welcome our new colleague Dr Letty ten Harkel as Assistant Professor in Roman and Post-Roman Archaeology. For the past ten years she has built up an impressive track record in the School of Archaeology at the University of Oxford. Read the interview about her background and research…

On Wednesday 1 September, the first thirteen students of the new BA Urban Studies at Leiden University, received their diplomas in person in The Hague. During a festive graduation ceremony, they were congratulated by rector magnificus Hester Bijl.

Light, open and green: a description that fits the new, renovated location of the Faculty of Humanities. The official opening of the Herta Mohr Building took place on 8 October, and it has many remarkable features: for example, recycled ‘mushroom columns’, a pedestrian bridge to the University Library…

‘All the groceries, but not a fig for young workers’, read a banner during the occupation of Ahold’s headquarters in 1981. ‘For a long time, young workers were not taken seriously, but they managed to put themselves on the map’, says historian Rosa Kösters.

In a recent publication in Nature Sustainability, an international team led by Josephine Chambers from Wageningen University, and including Marja Spierenburg from the Institute of Cultural Anthropology and Development Sociology at Leiden University, have developed a practical tool for researchers and…

How do organs work in the body, and how can we create mini-organs to study diseases and test new medicines? That’s the idea behind organ-on-a-chip technology. During his PhD, Flavio Bonanini worked on developing the best possible mini-livers. ‘Make them as simple as possible, and as complex as neede…

A new treatment for atherosclerosis showed promising results in isolated cells but proved to be less effective in initial animal tests. Bachelor student Biopharmaceutical Sciences Willemijn van der Heijden aimed to understand why. She investigated whether the formation of a protein layer around the…

Since the invasion of Ukraine in 2022, Russia has been conducting a covert sabotage campaign against Europe. The ‘Bewaken en Beveiligen’ (Surveillance and Security) project team at Leiden University has investigated the scale of these operations and compiled its findings in the report Russian Operations…