Imagine no one in the Netherlands would eat animal products anymore, what would happen? And would it contribute to more climate justice? That is the theoretical exercise that environmental scientist Jan Willem Erisman and landscape architect Berno Strootman are taking up. 'Sometimes you have to think…

While tens of thousands of visitors dance to deafening music, a team of Leiden psychologists are trying to collect data for their research at Lowlands. How do festivalgoers experience a virtual trip? And what role do factors such as too little sleep and whether they have experience with psychedelics…

How can you persuade researchers who are used to conducting research within clearly defined disciplines to adopt an interdisciplinary approach? Newly appointed distinguished professor Arnold Tukker explained.

In the next decades, thousands of wind turbines will be added to the North Sea. Environmental scientist Chen Li identified the most beneficial areas for their construction, focusing on material use, carbon footprint, and environmental impact. His paper was published in Environmental Science & Techno…

On December 16, 2023, our respected and beloved former colleague prof.dr.ir. Bert Peletier passed away.

‘Safe working is a form of professionalism,’ says Hugo M. Nijhof, head of the Health and Safety department. Starting next year, there will be more focus on this topic. New opening hours will be introduced for the buildings, along with new rules for working outside office hours. Nijhof: ‘Together, we…

Archaeological finds off the coast of Java, Indonesia provide insight into the world of Homo erectus, 140,000 years ago. Skull fragments and other fossil remains provide a unique picture of how and where these early humans lived, says Leiden archaeologist Harold Berghuis.

Mechanics play a larger role in blood vessel formation, and other developmental biology, than previously thought. Cells appear to respond to mechanical signals, such as pressure. Through the extracellular matrix, a network of fibrous proteins, cells can supposedly exchange those mechanical signals over…

Around 1,300 Leideners found 2,265 species during the Expeditie Stadsnutuur urban biodiversity inventory. ‘It’s been a huge success’, says scientific coordinator Frederic Lens.

The dark matter of biology: clumps of sugar molecules that, for example, form sugary webs around pathogens. We know very little about them. Wouter Remmerswaal threw all his talent into the challenge – both in the lab and as a modeller – and succeeded. He received his PhD on 12th September.

The theme of the Heritage Open Days Leiden on 10 and 11 September is sustainability. At four University locations guides will talk about the history of the buildings and how they have been renovated. And there is a first: tours in sign language.

Yousef Yousef (39), a successful entrepreneur in the water-quality industry, recently joined the Advisory Board at Leiden Law School. Read the interview about his career.

Lunch walk

PhD defence

PhD defence

PhD defence

Sacrificing yourself for the greater good: in China, martyrdom and hero worship have been strongly encouraged by the Communist Party for the past decade or so. University lecturer Vincent Chang tells us more about this far-reaching development.

Sarah Cramsey was appointed professor by special appointment of Central European Studies at the Institute of History on 14 September. 'I am keen to incorporate different scholarly approaches into my work and raise the profile of Central European Studies in Leiden.'

20 November 2024 is World Children's Day. To mark this occasion, the UNICEF Student Team Leiden is organising a lecture on children's rights. We spoke to board members Rewina Teferi Hagos and Tugwell Chadyiwanembwa to find out what motivates them.

Starting February 6, the Leiden interdisciplinary research programme Global Transformations and Governance Challenges (GTGC) will host a lunch seminar series on pressing global governance issues. The series will feature researchers from various disciplines. It promises to be a trove of inspiration and…

A sense of security plays an important role in the decision to contribute to nature conservation. Stacey Mac Donald conducted four years of research on the influence of social and political changes and the (post) colonial context on nature conservation in the Dutch Caribbean. On 17 May she will defend…

Lecturers Marjo de Graauw and Malte Riemann have both received a Comenius Teaching Fellowship.

Steeds drukker is het in populaire banen rond de aarde voor ruimtevaart. Niet alleen met satellieten, vooral met meer afval, wat onveilig is. Zhuang Tian promoveert op de juridische kant van afgedankte ruimte-apparaten. Wie troep veroorzaakt, moet het weer opruimen.

The League of European Research Universities (LERU) was launched in Leiden 20 years ago. This anniversary will be celebrated with a major conference (19 – 21 May) on an urgent theme: How does science contribute to sustainable and resilient societies? We put this question to Kurt Deketelaere, Secretary-General…

How do we get better at detecting research errors? And how do we ensure that we no longer see those errors as evidence of our inability, but as keys to better and more reliable research? Scientists offer advice during the third Psychology Connected.

Volgende week lanceren we de nieuwe podcast Mind the Gap, een initiatief dat studenten begeleidt bij de overgang van afstuderen naar hun eerste baan. Hosts Laura van der Plas en Loes Velthuis vertellen in dit interview meer over de podcast, waarin ze praktische tips delen voor een realistische en zelfverzekerde…

Security seems to most people a basic necessity of life, a prerequisite for a good life. But if you think about it a little longer and deeper, as political philosopher Josette Daemen has done, you realise that security sometimes comes at the expense of other important goods, such as freedom and equality.…

'In Leiden, I can continue on the path towards my dream: having my own pharmacy,' says Duaa Abbas. She studied pharmaceutics in Syria and worked in a pharmacy there for a year and a half. After having to flee the country, she ended up in the Netherlands. Thanks to the help of the Foundation for Refugee…

Since graduating from Leiden Law School with master’s degrees in Jurisprudence & Philosophy of Law and Criminal Law, alumnus Allard Altena now works as a Public Prosecutor at the Dutch Public Prosecution Service. He says, ‘I leave work at the end of each day knowing I’ve done something useful.’

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.

Do you have an innovative idea on how to improve education, but don't know what steps to take next? The Comenius programme offers a range of grants for educational innovation. A lecturer and policy adviser explain which doors the grant can open.

The Houthis are attacking ships in the Red Sea. Rerouting via South Africa is expensive, whereas the Arctic route only takes a week. Once a no-go zone, this route might be a more realistic option. Mind the nuclear submarines, though…

Julie Külsen is the student member on the Faculty Board, called the assessor, this academic year at Leiden Law School. Who is Julie and what does the assessor actually do? How can she help students? Let’s meet our new assessor!

The Europaeum academic community was awarded the Scaliger medal on 23 September in recognition of its promotion of academic values. Andrew Graham, trustee to the Europaeum and founder and honorary advisor to the Scholars Programme, was presented with the medal by President of the Executive Board Annetje…

On 22 January, a panel of international experts on nuclear deterrence gathered at the Campus The Hague to discuss the future of nuclear deterrence in Europe. The panel addressed key aspects of nuclear strategy and the impact of Russia's nuclear rhetoric in the context of the war in Ukraine.

On Thursday 15 April, Sabine Mengelberg, associate professor at the Faculty of Military Sciences of the Netherlands Defence Academy (NLDA), will defend her thesis on changes in European security architecture. Permanent Change? The Paths of Change of the European Security Organizations is the title of…

The European University for Well-Being (EUniWell), an alliance of seven European universities including Leiden University, is celebrating its first anniversary! All employees and students are invited to the online FestiWell event to celebrate this landmark together. Reason enough to call Melissa Koops,…

The European Union Cyber Diplomacy Initiative (EU Cyber Direct), of which Leiden University is one of the implementing partners, joins forces with the Federal Public Service of Foreign Affairs of Belgium and numerous research institutions and civil society organisations around the world to organize…

Different groups can have different memories of the same historical event. This can lead to conflict but does not have to. How is this, and how can countries and people reconcile with the past?

Dying from viral infection due to organ failure and blood loss: we still know little about how it can happen. Among other things, Huaqi Tang developed an organ-on-a-chip to figure it out. 'These technologies can offer unprecedented opportunities to fight the viruses that threaten our society.' Tang…

During a festive meeting, the In-house Emergency Service (IES) team of the Pieter de la Court Building was pampered by the Faculty Board FSW and the UFB management on 10 February 2022. It was high time to thank the team for their service, drive and commitment. Symbol of this gratitude is the statuette…

Humans and bonobos show striking similarities as well as differences when they see pictures of conspecifics. Both are more interested in photos of conspecifics that show emotion. But while our human attention is more easily drawn to photos of family members and friends that express certain emotions,…

That Tessa Schiethart finished her bachelor's degree in International Studies with a thesis on Indonesian women's reasons for veiling was a coincidence. Or so she thought. Six years later, her book Seeing and Being Seen, in which she writes about her life with a wine stain and vision loss, is in the…

Governance of the internet is chaotic, says Professor Jan Aart Scholte. Can we learn from this relatively new form of governance?

Western civil servants openly struggle with their government’s policies on the war in Gaza. During a meeting at Campus The Hague, three former civil servants told their stories.

Dennis Broeders, professor of global security and technology at ISGA (Institute of Security and Global Affairs), together with two partners, has been granted a major European project: EU Cyber Direct. Together with EU ISS and Carnegie Europe, ISGA forms a new consortium for 3 years with a total budget…

In his last week as interim cabinet minister, alumnus and outgoing Dutch Minister for Foreign Trade and Development Cooperation Geoffrey van Leeuwen set time aside to give a guest lecture at his alma mater, Leiden Law School. It was the perfect opportunity for a flash interview.

The socio-economic effects of climate change often do not receive enough attention. At the EuroScience Open Forum (ESOF) a group of researchers will provide more insight. How does climate change affect whether people work together or conversely end up as opponents? And what can we learn from societies…

On 12 April the Humanities Campus Think Tank held its second meeting in the Lipsius Building. In a Q&A session with Elisa Meijer, the Facilities project leader, the members asked about the context and room for manoeuvre in the development of the new Humanities Campus work environment.