It is exactly one year ago that the university had to close, bang in the middle of the academic year. Suddenly, on that third Monday in March, we found ourselves at home, working and studying online – many of us from that cramped attic or student room. The momentous coronavirus year in pictures.

Each scientific institute has its own dynamics. The Executive Board is visiting the different institutes to find out what is going on there. On 11 March, staff at the Institute of Tax Law and Economics talked to the Board about their teaching and research. What is going well and what are the challen…

Leiden historian Herman Obdeijn has created an exhibition for NIMAR about the centuries-old bond between the two countries. The exhibition opens on 1 March at the Université Mohammed V in Rabat. ‘The Moroccans changed from distant allies to close neighbours.’

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Meet the people behind Science for Sustainable Societies! As a small-scale and hands-on bachelor’s programme, our team plays a big role in shaping your learning experience. In this section, you will find interviews with the people who make this programme happen: our teachers, researchers, educational…

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Scientists from all different disciplines at Leiden University work on sustainability challenges. Together we strive for a liveable planet by connecting these scientists. Are you a researcher and do you want to contribute to tackling sustainability issues? Join our program and work together on solutions…

Herta Mohr was a promising Egyptologist who died in Bergen-Belsen. Lawyer Amandus Wolfsbergen died in Auschwitz, without knowing that the his work would continue to be a respected authority for many years. Thanks to research by PhD candidate Adriënne Baars, some more personal information has been added…

The Dick Stufkens Prize 2020 for the best PhD thesis of the Holland Research School of Molecular Chemistry has been awarded to Dr Mark Koenis. Koenis graduated 21 February with the distinction cum laude on his thesis 'Advanced Spectra Analysis to Determine Complex Structure and Chirality'. He describes…

Guiding high school students as a mentor at Pre-University College: what is that like? And what does it all entail? As part of the 20th anniversary of PRE-College Leiden, we asked two experienced PRE-mentors about their job - and what makes their work so meaningful. ‘You really see them grow.’

A moment of reminiscence and to see what lies ahead. After having been Dean of Leiden University College The Hague (LUC) for six years, Judi Mesman takes the time to reflect.

Computers are increasingly able to accomplish tasks that are difficult for human experts, such as diagnosing diseases or detecting credit card fraud. While the earliest examples of computational thinking can be traced back to the 13th century, according to Holger Hoos, Leiden Professor of Machine Learning,…

Jacques Waisvisz (98) is one of our oldest living alumni. As a Jewish student in the Second World War, he was forbidden from completing his studies. How does he look back at that time, and what was life like afterwards? ‘No one thought that the situation here would become so bad.’

Scholars from the field of science, technology and innovation (STI) policy have often questioned whether there was substantive difference between international STI policy and science diplomacy. This is hard to answer, but at least we can observe that science diplomacy has had great appeal over the last…

In a festive and intimate award ceremony, plant scientist Omid Karami received the first edition of the Krijn Rietveld Memorial Innovation Award out of the hands of Wim Klop, Director of the Biotechnology Center at DSM. Several speakers spoke about Krijn Rietveld and why Karami deserves the prize that…

The Astronomy & Society group of Leiden Observatory takes a new turn in science: they have decided to share their rejected research proposals with the scientific community. ‘We put a lot of effort into them, and now hopefully others can benefit from our work. Maybe it even results in new collaborations,’…

At almost midway through, the “Stoeplanten” (Pavement Plants) citizen science project has been very successful. This research was initiated by Nienke Beets, who while working for the Science Communication and Society research group and Hortus Botanicus, gave her contribution to the Stoeplanten proje…

The Leiden Papyrological Institute celebrated its eightieth birthday on Monday 19 January. Its collection of papyri – including paper, potsherds, pieces of wood and even lead – covers the period from 300 B.C. until after 800 A.D. and is entirely of Egyptian origin. The institute’s anniversary is being…

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

More papers, more grants, more students: constant growth is still the gold standard at universities. Neuroscientists Anne Urai and Claire Kelly argue that this mentality obstructs us in resolving such complex societal problems as the climate crisis. Their alternative? The university as a doughnut.

As one prepares for the final sprint, the other stands ready at the starting blocks: in just a few weeks, Dean Mark Rutgers will pass the baton to his successor, Henk te Velde. In the meantime, both are working hard to ensure a smooth transition to a new faculty leadership. Henk is already regularly…

The previous blog post in this series discussed the role of international diplomacy during the coronavirus crisis. This post focuses on diplomacy and its challenges in post-corona times. Specifically, the blog post argues that diplomats will face a range of challenges following the Covid-19 pandemic…

Four PhD candidates from Leiden University started the two-year Europaeum Scholars Programme this month. They have now completed the first week of the programme. How was it and what do they expect from this programme?

Countries that import plastic waste recycle an average of at least 63 percent of it. This is surprising, as we previously believed that the vast majority was incinerated or ended up as litter. This was discovered by PhD candidate Kai Li and his colleagues from the Institute of Environmental Sciences in…

On Sunday night 25 September, all the lights in Leiden will switch off and we will see the starry sky above us twinkling in all its glory. A unique opportunity for all residents of Leiden to experience the vastness of the cosmos and view the impressive artwork that hangs over our heads every night.…

Imagine we could do what green plants can do: photosynthesis. Then we could satisfy our enormous energy needs with deep-green hydrogen and climate-neutral biodiesel. Scientists have been working on this for decades. Chemist Chengyu Liu will receive his doctorate on 8 June for yet another step that brings…

How did the Arabs manage to maintain an empire based on Islamic principles for three hundred years? Arab expert Petra Sijpesteijn and her team will be examining this question over the coming five years, focusing on the correspondence of ordinary people. The research is being funded by an ERC Consolidator…

Why do some smokers quit much more easily than others? Can we think ourself to insomnia? And does playing music together help to calm conflicts? Psychology students investigated these questions and presented their findings during the Psychology Science Day 2023.

In the civil war in Syria, the country's cultural heritage is also under threat. There have been further acts of vandalism in Palmyra and many of the city's museums have been looted. Leiden archaeologist Olivier Nieuwenhuijse's Focus Raqqa project aims to make a digital inventory of the plundered archaeology…

When the corona epidemic broke out, Nuno Atalaia, a teacher of Portuguese, ‘democratised’ his lectures. He is one of the three nominees for the LUS Teaching Prize. What is it about this approach that appeals to students?

When former Swedish Foreign Minister Margot Wallström announced in 2014 that Sweden would become the first state to implement a feminist approach to its foreign policy, her idea was met with giggles. [1] But the concept quickly spread around the world. In May 2022, the Netherlands became the 10th state…

A stable home situation is important for the successful return to society of prisoners. So what is their home situation like? And what effect does it have on reoffending? PhD defence on 16 January 2020.

What do ten-year-old children and chatbots have in common? PhD researcher Bram van Dijk studied language development in both children and AI language models. ‘It’s actually quite practical that we attribute human traits to a chatbot.’

Two deans: one leaving and one just arriving. Paul Wouters was deputising at the Faculty from March up to December. As of January he returns to his 'ordinary' role as dean of the Faculty of Social Sciences. Jasper Knoester is taking over from him, as he will be leaving Groningen for Leiden. How did…

Jantien Hadders (50), head of Education and Research Policy at FGGA, lost the love of her life and, to her great sadness, did not become a mother. It was precisely by being able to share her loss in the workplace that she slowly regained trust in herself.

Learning how to work with people from different disciplines, that’s what Master Honours Challenges are all about. In teams, students address a challenge for an organisation or society as a whole. Two participants tell us what made their course stand out. ‘It was at times uncomfortable, but exhilarat…

An impressive speech by Dean Jasper Knoester, a lecture by top researcher Mario van der Stelt about brain messengers, and the presentation of the faculty awards. 2025 begins on a hopeful and festive note, with a toast to a year of fruitful collaboration within and beyond the faculty.

The travel ban and closed borders have had a big impact on our students and staff. Some are stranded abroad, while others are stranded here in the Netherlands. Others again have returned early to their home country. Three personal stories from Wuhan, Leiden and The Hague.

Rotterdam is one of the cities participating to the Edible Cities Network (EdiCitiNet), an international cooperation of municipalities that aim to increase the ‘edibility’ of urban spaces. In this blog, Vincent will describe his experiences at one of their recent workshops.

Paul Wouters has been reappointed as Dean of the Faculty of Social and Behavioural Sciences. His second term runs from 1 January 2022 to 31 December 2023.