Anyone who has taken a walk through the centre of Leiden before might have come across him, an attentive group of tourists gathered around. After studying history, Koen van Toen, or Koen Marijt, started his own business. He now organises historical walks, among other things.

Lecture, Open Mic

PhD defence

Paul Gobée (LUMC), Kirsty Rolfe (Humanities) and Frank Takes (Science) have been nominated for the Leiden Teaching Prize 2023.

Three years on, and interest in Ukraine certainly hasn't waned. The auditorium at the Wijnhaven location was fully booked on Monday. Hundreds of people, including top military brass, listened to Defence Minister Brekelmans' speech. He pointed out to them: 'Here in the Netherlands, we're now living in…

PhD defence

You may know it by the umbrella term 'citizen science'. You may also use terms such as volunteer mapping, patient co-researcher, or even community engaged learning to describe participatory practices in your research or teaching. No matter what you call it, there’s plenty going on when it comes to this…

As of 1 December 2024, Uta Wehn is professor by special appointment of the chair 'Citizen Science and Sustainability' within the Focal Area Engagement and Inclusion at the Centre for Science and Technology Studies (CWTS) at Leiden University. The new chair has been established jointly by CWTS and IHE…

Last academic year, Johan van Wilsem, strategist researcher at the Netherlands Court of Audit, taught the one-off elective ‘Policy Evaluation in Practice’ to students of the Master Crises and Security Management (CSM). A great success, for both students as lecturer Van Wilsem. The course scored 8.8…

Betty de Jonge is a household name in our faculty. As the person behind AskBetty, she knew how to answer every question about Office. Starting this month, she has officially retired.

From receiving our salary to doing our shopping: we are completely dependent on commercial banks for all our payment transactions. But what happens if they collapse? In his inaugural lecture, Professor Bart Joosen calls for a rigorous change: ‘Put payment transactions for private clients under one…

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,…

ECOLe is expanding. From 4 November, you can also contact them for questions about BKO (University Teaching Qualification), didactics, educational innovation, and teacher development.

Six professors and one lecturer from Leiden University have officially been appointed Medical Delta professors or lecturers.

Optimised antibiotic combinations can combat bacteria more effectively while also slowing the development of resistance. Scientists from five European countries are joining forces to identify such combinations and provide tools for others to do the same. The project is led by Professor Coen van Hasselt…

Leiden PhD candidate Jo-Anne Verschoor discovered that nearly twenty percent of the bacterial strains she studied could degrade plastic, though they needed some encouragement to do so. ‘Bacteria are just like people,’ says Verschoor. Her research was published in the journal Communications Biology,…

How do atoms and molecules end up forming planets? That's what astrochemist Julia Santos studied during her PhD. She discovered the dominant process behind the formation of methanol in space – a finding that surprised the entire field.

Whereas most outgoing professors are offered a congress, Nico Kaptein's former students and PhD students took a bigger approach. They treated him not only to a farewell congress, but also to a two-week tour of Indonesia, filled with lectures, and trips.

Organisation, Social

The toe bone of a prehistoric deer carved with lines by Neanderthals 51,000 years ago is one of the oldest works of art ever found, according to a study released Monday. Leiden archaeologist Dr Andrew Sorensen, not involved in the study, reacts on the find in a news article by NBC News.

If you want to stay fit, you have to go to the gym regularly, and – hopefully - cleaning our teeth is something we do at least twice a day. So, why shouldn’t we keep on working on a safe and healthy work climate, HR Director Esther van Opstal asks in a conversation on where things stand now with the…

We spoke with Mathilde Witkam about her research as a dual PhD candidate at the Dual PhD Centre. Her dissertation is about the effect of open government on public trust. Mathilde: ‘Trust in government ensures that people are more honest in their tax returns; less control saves time and money.’

From forwarding promising calls and arranging budgets to assisting in legal issues and keeping track of important deadlines: to associate professor Roxanne Kieltyka, the research support offered by project managers Inge Rietveld en Christina Schlüpen is fundamental. ‘The combination of our expertise…

What unfolded in shared kitchens, along narrow corridors and around Wednesday coffee tables became more than an assignment. It became a living exploration of what ageing means in practice.

Workshop

The Centre for Science and Technology Studies (CWTS) and the Ethical Data Initiative (EDI) are pleased to announce the signing of a Memorandum of Understanding (MoU) aimed at fostering a collaborative partnership to advance responsible data initiatives and enhance communication within the realms of…

Het zal niemand ontgaan zijn dat de digitale dreigingen blijven toenemen. Uit monitoring door onze cybersecurity-experts blijkt dat er continu wordt geprobeerd om ook onze systemen binnen te dringen. Wat doen wij daartegen en hoe kan jij als medewerker bijdragen aan onze cyberveiligheid?

When Floris Harm took up his role as director of the Leiden Asia Centre, he made a remarkable discovery on the university website. It turned out that a past family member was one of Leiden University’s first sinologists.

Professor Wolff discusses the EU migration policy on Global Europe.

Nearly all students have faced many challenges this academic year. Students Nasreen Javanjoo (Religious Studies) and Marcos Cordova (Literary Studies) talk about their experiences of studying in the time of coronavirus.

Ten years ago, a new reward system was introduced in Dutch prisons: the only way prisoners could earn extra ‘freedoms’ was through good behaviour. Jan Maarten Elbers concludes that this system does little to encourage behavioural change and can even be counterproductive.

Humanity is a widely used concept in organisations, yet it is rarely given concrete meaning. As a result, it often remains vague and non-committal, with dehumanisation as an unintended consequence. According to Marjon Bohré, practising humanity requires making deliberate choices, in language, decision-making…

From sponsored runs to festivals and from open days to concerts: Leiden University hosts lots of events each year. We are highlighting six of them for 2023.

Lecture, Booklaunch - CoGloSS | Oosters Genootschap | Leiden University Press

Leiden University is featured by French magazine L’Express as one of Europe’s leading ‘schools of power’, highlighting its Faculty of Governance and Global Affairs and the Institute of Security and Global Affairs in The Hague and its role in training future leaders in politics, diplomacy, and securi…

Using the James Webb Space Telescope, an international team of researchers, including Leiden Professor of Molecular Astrophysics Ewine van Dishoeck, has discovered a palette of hydrocarbons in a planet-forming disc around a young, low-mass star. The results confirm that discs around very lightweight…

Lions in Kenya respond very differently to human land use, climate and conservation practices. That is the conclusion of thesis from Leiden biologist Monica Chege. A uniform approach is therefore insufficient. ‘Effective conservation only works when management is tailored to local conditions and developed…

Open Mic

PhD candidate Sibel Bahtiri is one of the new Faces of Science. In videos and blogs, she will show what life is like as a young researcher.

For two decades, language experts were certain that babies were able to learn language rules from as young as the age of seven months. However, recent research carried out by a consortium of four Dutch baby labs led by researchers from Leiden cast doubts on this certainty. We spoke to researchers Andreea…

Camille Lefebvre has been selected as one of the 30 finalists vying for a spot in the 2022–2025 scholarship of The Pierre Elliott Trudeau Foundation.

For the eleventh time in a row, Leiden University’s unique liberal arts and sciences programme has been awarded the ‘Top Rated Programme’ quality seal by Keuzegids universiteiten 2024.

What do you do if you have a book from the sixteenth or seventeenth century, but you suspect that the binding contains a fragment of a medieval manuscript? University lecturer Thijs Porck has received an NWO grant to experiment with a camera attached to a tube. 'The project boils down to keyhole surgeries…

Workshop

April is the month of showers and tulip fields but did you know that it is also Global Citizen Science Month? And the future of our Leiden citizen science community looks rosy, says coordinator Margaret Gold. She is happy to come and tell you all about this − and to exchange knowledge and ideas. ‘See…

Almost all the western countries were too late responding to the outbreak of Covid. Why was that? Three governance experts, including Leiden professor Arjen Boin, have written a book about the response to the pandemic. ‘Our current system isn’t geared towards identifying and managing a long-term crisis,’…

Lecture