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.

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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

Almost 81 years after his famous protest speech against the German occupation, Leiden professor Rudolph Pabus Cleveringa will be remembered in his Groningen birthplace of Appingedam. A statue of him will be unveiled there on 12 November amid various other activities.

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…

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?

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.

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’).

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Research

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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…

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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.

Organisation, Social

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'.

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.

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…

Study career, professional development, and labour market preparation.

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?

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…

The war in Ukraine is entering a new phase with the announcement of a partial Russian military mobilisation and the intention to annex four Ukrainian regions. Why is Putin making these decisions just now and what consequences will they have for the course of the war? We talk to professor and Russia…

The war in Ukraine has lasted almost two weeks now. What does Putin expect to achieve with his invasion and how big is the chance that the West will get involved? We phoned André Gerrits, professor and expert on Russia.

The steady decline in lethal gun violence in the EU came to halt in 2012 and some countries, such as Sweden, have even noticed an increase since then. An arms race among drug criminals and an increase in the availability of illegal firearms could lead to more criminal and gun violence. This is one of…

From films, video games and historical novels to Nordic folk bands, Old English from the early Middle Ages is experiencing a revival in the 21st century. Together with international colleagues, university lecturer Thijs Porck (LUCAS) made a book about the 'resurrection' of this dead language.

Two Leiden legal scholars have been awarded funding from the KNAW pilot fund 'Science communication by scientists: Appreciated!'. The fund supports scientists who have demonstrated a continued commitment to science communication.

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…

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…

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…

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…

What defence strategy should the Dutch government adopt for the next four years? Our experts advise investing in social resilience, strengthening ‘soft power’ and integrating defence awareness into education.

Finds uncovered in the east of Germany show that Neanderthals stored and preserved vast amounts of meat and/or temporarily aggregated in larger groups to exploit the spoils

Samen met andere studenten bracht Fien Lurvink hulpgoederen naar Oekraïne en nam vluchtelingen mee terug.

The Social Resilience & Security interdisciplinary programme broadens its scope by embedding two research projects lead by Dr. Joanne Mouthaan. The projects adress suicide prevention skills and mental health of Ukraine refugees. Both projects will be integrated in the programme with the aim to improve…

Six alumni of the Crisis and Security Management – Governance of Crisis master’s programme shared their experiences and career advice with students on 15 October, during a panel discussion.

Without electronics carrying out computational tasks our daily lives would look very different. Devices such as elevators, vending machines, turnstiles, washing machines and even traffic lights use a simple form of electronic computing to switch from state to state. But, what if power supply is not…

Sterre ter Haar has won the Rachel Carson Graduation Prize for her thesis on how rising levels of CO₂ affect the nutrient content of plants. For the Industrial Ecology student, the award is a crowning achievement after a difficult period of recovering from long COVID.

Biologist Nataliia Machushynets felt like she was ‘looking for a needle in a haystack’, trying to find new antibiotics to help solve the problem of resistance. During her PhD research, she did find what she was looking for, in the soil beneath our feet.

Digitalisation can make a huge contribution to a greener future, but it must also be as sustainable as possible. To make significant progress, more collaboration and national leadership will be needed. Leiden University has therefore signed the Digital Sustainability Manifesto, which was presented on…