Netherlands and China can learn from each other to handle household and livestock wastewater more sensibly. In the FOREWARD project, scientists from Leiden, Wageningen, and China are working together with local partners on feasible solutions that advance the environment, health, and economy.

Governments worldwide invest huge sums in their digital services and data strategies. Efficiency and effectiveness are key. But these are not achieved for some people at least, says Professor of Public Policy Sarah Giest. This makes the intended digital inclusion far from inclusive, as she will explain…

The use of AI by students has become an integral part of education. Instead of banning it, the “GenAI in education” pilot project is investigating how AI can contribute to the learning process. Marco van Bommel, lecturer on the Economic and Consumer Psychology course, talks about the initial experiences…

Friday 4 November marked the 65th anniversary of the founding of Leiden’s P.C. Hooft Historical Debating Society. Although new members have not been accepted for several decades, the society is still alive and kicking. A retrospective with former presidents Jos Hooghuis and Saskia Leupen.

In this time of Covid-19, our way of working has changed. Many staff who used to work on a PC, and who now work from home with a laptop provided by the employer, are now returning to the office and this is having an impact on the university network: the WiFi network in particular will be a bottleneck.…

In the week of 15 November, the Academic Directors and two members of the Faculty Council also participated in a so-called Duplo session, after the Faculty Board did so, led by Elisa Meijer, advisor housing of the Humanities Campus project. During the session, alternatives for the Humanities Campus…

Connecting as the magic word. Seeking new collaborations, presenting ourselves to the outside world with an open attitude and showing what we do. During the opening of the academic year on Tuesday afternoon, Dean Jasper Knoester emphasised that change and connection are necessary for the university…

During the coronavirus pandemic, scientists were in a hurry to find drugs that would help fight the disease. To combine the research that was being carried out around the world, PhD candidate Judith ter Schure developed a new statistical method: ALL-IN meta-analysis. This helps determine sooner whether…

Can humans perceive single photons? What is our place in the universe? How can we make quantum computers more stable? Five researchers from the Faculty of Science have received funding for their research projects within the Dutch Research Agenda (NWA).

More severe droughts that will also last longer: this will primarily be a problem for irrigated croplands, as discovered by environmental scientist Qi Chen. Mixed forests with a variety of plant species will be the least vulnerable. Chen compared the effects of drought on different ecosystems across…

Whereas the Netherlands Court of Audit used to conduct an investigation once a year, the average civil service organisation now has a few per year to contend with. Is so much going wrong nowadays? Not at all, says Professor by Special Appointment Sjoerd Keulen. ‘It’s one of the methods that makes democracy…

From 1 October onwards, Dennis Claessen and Marcel Schaaf will be the new directors of education of Biology. They will replace Han de Winde. Schaaf will be responsible for the bachelor, while Claessen will mainly focus on the master tracks of Biology. We gave students and the education office the change…

Nausea, neurologic pain and hair loss: some of the severe side effects of chemotherapy. Not necessary, biochemist Liyan Zhang showed. Together with Leiden biologists and others, she achieved great results with a drug that is only active in combination with light. Zhang will defend her PhD on 4 July.

For more than twenty years, Johan Visser has served as a family and juvenile court judge in The Hague where he is also a board member. Once a student at Leiden Law School, he reflects here on his student days and career.

Is the child benefits scandal an omen for the future and will people’s lives soon be fully dominated by algorithms? Assistant Professor of Constitutional and Administrative Law Reijer Passchier warns that the encroaching digitalisation is giving the executive branch even more power, leaving parliament…

A single tiny molecule that can destroy flu, corona, HIV and Zika viruses? Yes, it really does exist. Biophysicist Niek van Hilten, who will receive his doctorate on 14 September, contributed to this discovery.

When Sjoerd van Trigt, a student of International Studies, is not in the lecture hall, you can find him at Rowing Club Asopos de Vliet. He trains there seven times a week. Soon, he will be leaving for a six-month stay in Japan.

A group of biology students are working on a solution to the world’s plastics problem by getting bacteria to make biodegradable plastic.

Leiden students often prefer complicated theory and a difficult test to experiments. Yet associate professor Paul Logman believes students learn a lot from practical teaching. He challenges his students to come up with their research questions themselves. The Leiden Institute of Physics (LION) is at…

Greenhouse gas emissions related to pharmaceutical consumption increased by 77 percent over the past 24 years, according to a Leiden University study published in The Lancet Planetary Health. Moreover, efficiency gains have stalled since 2008. ‘Our best option is reducing consumption and minimising…

In the short term, no reorganisation is foreseen within the Faculty of Humanities, nor are any compulsory redundancies expected. Nonetheless, structural changes remain necessary. This is evident from the faculty’s draft budget for 2026 and the accompanying financial multi-year outlook.

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

Various meetings will be held over the next few weeks to discuss organisational development at Leiden University. On the agenda are a vision of organisation and management, an exploration of the central services organisation and a teaching logistics programme.

High demand at emergency departments is not a reliable indicator of the number of patients that will be sent to the Acute Admissions Unit. The LUMC has therefore developed an admissions predictor.

The new institute manager of the IBL studied biology for six months, but went in a completely different direction: development cooperation and the financial sector. Three decades later, Resi Janssen is making a radical career switch. Or isn’t she? 'In ten years’ time I want IBL to be in a new, sustainable…

Sky-high energy prices and a climate that keeps getting warmer: it’s clear that we have to turn down the heat. Sustainability Day on 10 October will mark the start of our five-month Energy Campaign and we’ll be making the switch. Sustainability Coordinators Aranka Virágh (Real Estate) and Marlies Nijemeisland…

Seven Leiden professors have been elected as members of the Royal Netherlands Academy of Arts and Sciences (KNAW). In total 23 new members will be inaugurated on Monday 13 September.

What truly matters to you? And how do you take steps towards your goals, even when it feels daunting? In the introductory module of the Personal Professional Skills Lab, first-year students discuss these questions. ‘Ultimately, everyone struggles with the same things.’

Early diagnosis, new treatments, and personalised care: all of these are possible if we can better unlock the wealth of information hidden in health data. Unfortunately, this data is often poorly organised, difficult to access, and not interoperable. The new international Leiden Institute for FAIR and…

How do molecules originate and evolve in space? And how does that ultimately determine the chemical composition of planets and their atmospheres? The Dutch Astrochemistry Network (DANIII) receives 1.6 million euros from NWO to find out. A large group of Leiden astronomers and chemists is contributing:…

In the past months of the coronavirus crisis, work continued steadily on constructing the Humanities Campus. The Arsenaal has been completed. Colleagues have moved to the Reuvens and Huizinga buildings, and the South Cluster is ready for the renovation to start. And now we have suddenly had to stop.

From now on, all information and updates about the closure of the Huygens Building will be shared in this live blog on the Faculty staff website.

Working in an operating theatre is a highly competitive sport. High work pressure, stress, and unexpected developments during operations. This requires a lot from care professionals who need to be mentally resilient to be able to deliver peak performances time and time again. What makes a care professional…

There was no shortage of smart questions during the recent information sessions. The meetings, in which the Faculty Board provided an update on the faculty's current situation and did its best to address concerns and questions, were well attended. Attendees posed important questions and contributed…

Not all sustainable business models have the impact they claim, Leiden researcher Levon Amatuni revealed. Car sharing and phone reuse, for example, have a smaller positive effect than previously thought. Amatuni advises people to ‘pay attention to actual changes in their consumption behaviour rather…

Sjoerd Keulen holds the new special chair in Public Audit, Policy Evaluation and Accountability.

From scanners in lecture halls to systems for working from home: the discussion about new technology is being held on various fronts. That is why the University wants to make more use of its in-house experts. At the Technology and Trust symposium at Leiden University on 2 February, researchers from…

Leiden University is switching to a new system for HR, finance and purchasing on 1 January 2026, after 27 years of using SAP. We spoke to Wouter Peters, Director of ASSC and Programme Director of BAS, about what this means for the university and you as a member of staff.

No matter how long the queue at Brasserie Science gets: Pilvi Kipper can handle it. Everyone is greeted with the same friendly smile, and chances are the barista already knows your order. Her secret? ‘I make every cup of coffee with love.’

A webpage for your research project can help with participant recruitment and foster collaboration with fellow researchers or social partners. Creating such a page used to be a time-consuming task, but with the help of AI, the communications team can now build a clear project page much more quickly.

Three quantum-safe cryptography methods have been standardised for worldwide use since this week. Léo Ducas co-designed the two primary PQC methods selected for this standardisation. Ducas is part of the Cryptology group at Centrum Wiskunde & Informatica (CWI) and is also professor of Mathematical cryptology…

From closed government systems in the Middle East to an exceptionally open Dutch government. Public administration lecturer Alex Ingrams is an expert on transparency: ‘Why are some countries secretive? And what role does technology play?’

Would you like to share your research with the outside world, but don’t know where to start? Approaching the press yourself or posting on social media can seem overwhelming. PhD candidate Elise Filius decided to take the Academic Outreach course.

The liquidator is, according to the law, the initial designated person to signal and address irregularities in insolvencies. But when tackling fraud costs more than it generates, what does that mean for the liquidator’s course of action? And which factors obstruct liquidators in addressing these irregularities?…

More than 700 visitors got to know the Science Faculty during the Leiden Science Family Day. People of all ages could enjoy fascinating experiments, tours, interesting lectures, spectacular nitrogen shows and various workshops. It was an informative day with many (future) scientists, amazement and,…

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.

Three Dutch-Belgian telescopes have started operating at the ESO La Silla Observatory in Chile. This so-called BlackGEM array will scan the southern sky to hunt for cosmic events that produce gravitational waves, such as mergers of neutron stars and black holes. Leiden astronomer Rudolf le Poole is…

The new Students for Leiden party pulled off a stunning victory in the municipal elections. From nowhere, the party won two seats on Leiden Municipal Council. How are brand-new student councillors Mitchell Wiegand Bruss and Elianne Wijnands doing? ‘We’ve already asked questions about the quality of…

Arbitration law has grown into a ‘sexy’ area of practice about which students are keen to write a thesis and in which many lawyers specialise.