25 years ago the Faculty of Archaeology at Leiden University was founded. In the academic year of 2022-2023 several lustrum activities will be organised to celebrate this happy occasion. The year was kicked off with a vibrant party on September 8, inviting staff, students, and alumni.

Ingrid van Engelshoven, outgoing Minister of Education, Culture and Science (OCW), has appointed Robine de Lange-Tegelaar to the Board of Governors of Leiden University.

The Faculty of Humanities has made a festive start to the academic year. On 7 September, staff members were able to meet each other at a drinks party in the Hortus botanicus.

In a column on Mr. Online, Dirk Visser, Professor of Intellectual Property Law, looks at what You Tube is doing or should be doing to counter copyright infringements on the platform in a credible and effective manner.

Professor Johan Frijns treats people with hearing loss, conducts research on hearing implants, and gladly shares his knowledge about electrical stimulation of the nervous system.

Lecture, Global Questions Seminar

A special type of mirror to reflect X-rays has more possible applications than space research. Targeted radiation therapy for cancer, for example. Next to his full-time job, physicist David Girou mapped out the possibilities. He will receive his PhD on 14 June.

Australia wants to introduce a law that makes it possible to demand the identity of anonymous internet trolls. Is this be conceivable in the Netherlands?

Whether you’re giving a course for the first time or aiming to update your learning objectives or teaching formats, effective education starts with good course design. This step-by-step plan will help you create or innovate your course: from learning objectives to teaching formats.

How can you ensure that your research hits the headlines? How can you bring your research output, such as PhD research or a publication, to the attention of the public?

As sea levels rise and climate change speeds up, knowledge about the ocean becomes increasingly important. But how is this knowledge being created and how can we use it best to prepare for the future? To answers these questions, Jackie Ashkin studies the day-to-day work of ocean scientists from up c…

Wolves in the Netherlands mainly feed on wild animals such as wild boar and red and roe deer. But in areas such as Drenthe where these are scarce they also prey on free-roaming cattle used for nature conservation

Are international courts effective? Dr Fatou Bensouda, a former Lead Prosecutor of the International Criminal Court in The Hague (ICC), will discuss this issue during her lecture at the Owada Symposium 2025. The ICC’s efficacy depends on the actions of its member states, she says.

During World War II, the Nazi’s ordered a coastal defensive line to be built from the south of France to Norway. This Atlantik Wall aimed to defend their territories in continental Europe from an Allied naval invasion. The defensive line went right through the Dutch city of The Hague. The material remains…

How do people vote? How rational are voting choices? How much do external factor weigh in? In this article social scientis provide some background.

As an experiment, student Alicia Cai relied solely on AI tools such as ChatGPT and Claude for supervision while writing her thesis. What lessons were learned?

The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.

Floske Spieksma will give her inaugural lecture as Professor of Mathematics of Operations Research on 1 September. A discussion about mathematical models, Venezuela, trembling knees, being the only woman, casinos, intuition and above all loving your job.

Leiden Observatory has achieved a rare feat: two of its research teams have been awarded prestigious ALMA Large Programmes, allowing them to study how galaxies formed and evolved in the early Universe using cutting-edge telescope observations.

The university's CO2 footprint - a visual representation of Leiden University's environmental impact - is calculated every year. The CO2 footprint for 2020 shows a striking break in the trend in terms of energy use, mobility and waste.

In the Netherlands, people probably grew up with De Fabeltjeskrant (a children’s show, ed.), but in France an introduction to fables plays a much more important role in a child's upbringing. PhD candidate Céline Zaepffel studied the role of fables in French education and teaching methods. It turns out…

On Friday 3 February, all new incoming exchange students for the Spring semester were invited to attend their own Faculty’s introduction session.

German-American Mia Müller (26) has been working at the European Parliament for three years now as Press Officer at The Greens/EFA Group. She is a bit nervous about her 'first' elections.

Professor Ton Liefaard has worked to improve the position of children since his academic career began.

Should the background of the painting remain blue or be restored to its original gold colour? PhD candidate Liselore Tissen will be using 3D prints and eye-tracking software to answer this question. NICAS is giving her a grant of 18,000 euros to accomplish this.

In the Digital Humanities Lab, students and staff can make use of various technical facilities. PhD student Caeso tells us more about his experiences with the printer in the Maker Space.

On 16 May, three researchers from Leiden University will present their findings on the democratic consequences of decentralisation at a workshop in Leiden. Their research project, Downsize My Democracy?, shows that decentralisation does not automatically lead to a stronger democracy. On the contrary,…

Sergei Boeke has once again proven that there are more roads than one that lead to Rome with his PhD research into al Qaeda in the Islamic Maghreb. It is both the core point of his conclusions as well as the leitmotiv for his approach. Boeke’s dissertation is comprised of five academic articles that…

Alumna Nadia Kadhim started in 2017 as a corporate lawyer implementing the General Data Protection Regulation (GDPR) at one of the companies where she volunteered. By late 2022 she had received both a Most Inspiring Women in Cyber Award and was on the Forbes 30 under 30 list with her legal start-up…

At the Faculty of Science, forty per cent of the employees are of a non-Dutch nationality. Amongst PhDs that is even sixty per cent. How are they doing in a time of working at home in a different culture, when travelling is not possible? Clinical pharmacologist Lu Chen is the third in this series to…

International collaboration is essential to research and teaching but it also brings risks. Such as sharing sensitive knowledge and technology or foreign interference in research. Rector Hester Bijl explains what staff can do to prevent this.

How do we offer students a helping hand without losing sight of our own well-being? This was the question that study advisers, lecturers, deans and student support staff tried to answer at the Staff Symposium on Student Well-being.

The coronavirus pandemic has spelt disaster for some businesses, while others have seen their profits soar. This has led to politicians to consider introducing a ‘corona’ tax where the winners from the pandemic will help the losers get back on their feet.

Confidentiality clauses that contain penalty clauses in television production contracts are common, permissible and useful, but can never be invoked against disclosing misconduct, such as unacceptable behaviour. This is claimed by Dirk Visser, Charlotte Vrendenbarg and Richard Trouborst in their article…

Highland Bhutan is facing unprecedented challenges from a combination of climate change, new economic opportunities, and changing cultural aspirations of its residents. Today, what does highland heritage constitute, to who, and how does it matter?

Several media published articles on the latest research from a team including Thijs Bosker, Associate Professor Environmental Sciences, last week. The research has shown that whales in the vicinity of Auckland New Zeeland consume three million microplastics a day.

What lessons can public leaders draw from crisis management? In the second Leiden Leadership Lunch in our series on ‘Leadership opportunities in times of crisis’ Dr. Jaap van Lakerveld and Dr. Jeroen Wolbers – experts in the field of crisis management – shared their insights from the recently published…

On January 28 and 29, 2021 the conference ‘Imperial Artefacts: History, Law and the Looting of Cultural Property’ took place online. This first of its kind event at Leiden University was an interdisciplinary online conference and brought together (post-)colonial historians, legal historians, curators,…

The thesis is a major milestone for master students graduating in Political Science. It demonstrates their ability to conduct research independently and to provide a thorough, objective and sound analysis. That requires instruction, discussion, thinking and hard work. Lots of it. In some cases this…

Professor Johan Rooryck, currently executive director of cOAlition S, will receive an honorary doctorate from the University of Tromsø for his commitment to open access in science. He will be awarded the honorary doctorate on 1 September.

As of 1 September, Michel Mandjes has been appointed full professor of Probability and Operations Research at the Mathematical Institute. He succeeds Frank den Hollander, who will retire on 1 October. ‘The combination of deep thinking on your own combined with working towards solutions together with…

Leiden University’s Annual Report 2021 has been published. In this report, which consists of a general section and a financial section (the financial statements), the University provides a record of its research, teaching, knowledge transfer, operational management and policies in that year.

Leiden University has taken eighth place in this year’s SustainaBul, the sustainability ranking for universities and universities of applied sciences in the Netherlands. It was in 18th place last year.

In the Netherlands it is now possible to visit non-essential shops if you make an appointment beforehand. But when you book an appointment you have to provide a lot of personal data. Are shops allowed to ask you for all this data and what happens to it?

Monday 14 November marks the start of the Week on the International Student. The perfect moment to reveal our new Acts of Kindness Pillar. At 12.00 hours on the dot, the festive reveal will take place in the restaurant at KOG. Everyone is cordially invited to take part in the ceremony and have some…

In a confidential meeting, the University Council (UR) and the Executive Board (CvB) have discussed security within our buildings, partly as a result of media reports on this topic that appeared during the summer. The University Council has shared concerns expressed by staff and students concerning…

The ‘Amorphophallus titanum’ at the Hortus botanicus Leiden is blooming. This Titan Arum, also known as the ‘giant penis plant’, last flowered in 2009.

Earlier this week, a working group of the United Nations, comprising all 193 of its member states, adopted a consensus report on norms for responsible state behaviour in cyberspace. Dennis Broeders, full professor of Global Security and Technology at the Institute of Security and Global Affairs, Leiden…