Professor of International Relations Daniel Thomas is clear: anyone taking peace in Europe for granted is shutting their eyes to reality.

The University urgently needs IT talent. The ISSC has therefore started a pilot refer-a-friend scheme: if you recommend someone you know for a hard-to-fill IT job and they are hired, you will receive a 1,500-euro (gross) bonus. ‘So hit us with your golden tips,’ says ISSC director Joop van der Born.

Have you considered including the Leiden University Fund in your will?

The university was a gift from William of Orange to the people of Leiden for their courageous resistance to the Spanish. We’ve all heard the story of the university’s foundation. But its foundation was also a success story for two friends.

The free AI and Ethics course (in Dutch) is available online to anyone who wants to find out more about the ethical implications of artificial intelligence. One of the eight experts featured in the course is Professor Reijer Passchier. ‘Artificial Intelligence is spreading so fast and has such an impact…

Life returned to something resembling normal after Covid but other crises soon took its place. These great challenges are also being felt at the University and our researchers are working on solutions. The nitrogen crisis, problems with young people’s services and an increasingly urgent climate crisis:…

Nanoplastics can accumulate in developing hearts, according to a study by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health.

De Faculteit Archeologie bestaat dit jaar 25 jaar. Ter ere van dit jubileum opende de faculteit op 1 maart zijn deuren voor het brede publiek.

National Meat Free Week (Nationale Week Zonder Vlees, 7–13 March) is an initiative to reduce meat consumption. Assistant professor Paul Behrens is studying what impact a change in our food consumption would have on the world. What, according to him, are the main reasons to switch to a (mainly) plant-based…

How is interdisciplinary collaboration faring at Leiden University? And has disciplinarity been completely abandoned? I’d like to reflect on some concerns among colleagues and on our plans for the future.

Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.

In a speech on Keti Koti the Dutch king, Willem-Alexander, apologised on behalf of the royal family for the Netherlands’ historical role in slavery. What is the significance of this?

The university is launching a campaign to focus extra attention on our smoke-free university locations. The University is using aptly named cigarette barrels to try to show clearly just how many cigarette filters are being saved from the environment. How harmful are these cigarette filters to the e…

There are many links between Leiden and the US. The highest office there has been held an impressive nine times by presidents with Leiden roots. This has led to memorable visits to Leiden University.

Aram Segaar, Corporate Information Security Officer in the Information Management Department, works every day with his team to create and maintain a secure working environment at Leiden University. October is ‘Cybersecurity Month’. Aram explains how the university stays safe and the conscious (and unconscious)…

If you have a question about the transition from SAP to BAS InSite, take a look at the list below to see if it’s included there. Some new questions have now been added and some existing questions have been updated (such as those about 2025 payslips, and the SAP numbers no longer being used).

It is crucial that Leiden University reflects on its colonial history. These were the words of Cleveringa Professor Gert Oostindie in his inaugural lecture on 24 November. ‘As a university community, we must dare to hold up a mirror to ourselves and, where possible and necessary, also take concrete…

On a sunny Lammermarkt, thousands of new students gathered to kick off their student life in Leiden at the 56th edition of EL CID.

Holocaust scholars Barbara Engelking and Jan Grabowski will jointly hold the Cleveringa lecture on November 26. They were accused of defamation in Poland for a book they co-edited. How has this affected them? ‘This is an attempt to wear us down.’

A cap on the number of international students at the five broad-based Randstad universities will have a drastic effect on the Dutch economy. The gross domestic product (GDP) is expected to decline by approximately 4 to 5 billion euros. Regions, businesses and society as a whole will feel the consequ…

Seven researchers from Leiden University have been awarded an ERC Starting Grant. This will enable them to start their own project, build their research team and put their best ideas into action.

Five lecturers from Leiden University have received a Comenius teaching award. With the grants they can carry out an innovation project.

Samen met een groep enthousiaste wetenschappers bezocht ik deze maand verschillende universiteiten en andere kennisinstellingen tijdens een kennismissie in Indonesië.

Human resources

Every year around 8 February, Leiden University, the oldest university in the Netherlands, is celebrating its birthday. Why does the King still receive a telegram on the day of the Dies Natalis? 4 questions on the origins of Leiden University and its traditions for celebrating its foundation day.

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?

Lecture

Leiden University has a new FNV representative: Thecla Meyknecht. Employees can come to her with questions and problems related to the workplace. ‘All managers should receive targeted training in which they learn to be proud of their human capital.’

Masses of hamburgers, steaks, cheese and a lot of eggs: Americans love their animal products. But researcher Oliver Taherzadeh discovered that only a relatively small group of high-volume consumers need to modify their diet to achieve an enormous environmental gain.

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Despite an eventful afternoon – with Students for Palestine occupying the Academy Building – political scientist Hélène Landemore gave her Cleveringa Lecture as planned on 26 November. She reflected on the protest and the importance of open debate, within the university and within a democracy.

Annetje Ottow is the first female president of the Executive Board of Leiden University, which means a return to her Alma mater.

Seminar

The English-language interdisciplinary minor ‘AI and Society’ explores the role of artificial intelligence in our society. The interdisciplinary nature of the minor is proving beneficiary for students and lecturers alike. We sit in during a class.

University ceremony

447th Dies Natalis