If you are going on a business trip to a destination that poses health risks, you can make an appointment with the specialised nurses of the University. They can give you advice and indicate whether you will require any vaccinations or malaria medication.

Kees Waaldijk has worked for many years to map the rights, or lack thereof, of the gay and lesbian community across the world. As he bids farewell to the faculty, those rights are under renewed pressure. How does he reflect on his career?

In a new essay for Ethics & International Affairs, Dr Henning Lahmann, Assistant Professor of International Law & Technology at eLaw, addresses the question whether states should resort to social media to warn a civilian population ahead of military operations.

Archaeologist Tuna Kalayci investigates roads in a recent edited book. What happens if we think of roads not only as containers of action but also as dynamic and complex phenomena, as the action itself? This question inspired Dr Tuna Kalayci to bring together various studies across a wide range of epochs…

As of academic year 2021-2022 Leiden University is offering a minor Business Administration in The Hague. What is this minor and what can you achieve with it?

In the new video series 'The World of Linguistics', alumni and researchers talk about their passion for their field. PhD candidate Meike de Boer knows everything about the word ‘uh’.

PhD student Camil Staps is continuing his academic career in Berlin. He receives a Rubicon grant to do research there on demonstrative pronouns.

The number of students enrolled at Leiden University remained stable this year. As at other Dutch universities, the growth in recent years seems to have levelled off. Leiden University is also following the national trend in terms of intake at the bachelor’s and master’s levels. The number of international…

The Dutch Government recently announced measures to limit the loss of purchasing power. These include, for example, raising the minimum wage and healthcare benefits. Another way for households to maintain purchasing power is to work more. Olaf van Vliet, Professor of Economics, explains the effects…

Toelating en selectie

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. In this first…

For decades, linguists have racked their brains over the question of precisely how the syntax of various languages is different. PhD candidate Martin Kroon has developed a computer system that brings us closer to finding an answer. His PhD defence is on 10 November.

University lecturer Lucien van Beek has been awarded a LUF Praesidium Libertatis Grant. He will use the sum of 75,000 euros to research the thinking of people in ancient and prehistoric times. To do that, he will look for unusual or striking metaphors in the earliest Indo-European languages.

Hordes of photographers, students trying to catch a glimpse and take selfies, and cheering people at the entrance to Wijnhaven. Canadian Prime Minister Justin Trudeau and Prime Minister Mark Rutte were received like true pop stars, in the late afternoon at Leiden University’s Campus The Hague.

If your work allows it, you can work partly from home and partly at the University. How this combination of working from home and at the University will turn out for you depends on your own working activities and situation and those of your team. This means that tailor-made solutions are needed.

All the information about the Leiden University Global Fund (LUGF) funding instrument is given here, specifically the seed funding options for collaboration with regional partners. The LUGF awards seed funding to support regional collaborative initiatives.

Practical information and tips for hosting an assessment, including registration procedures, permitted aids, fraud prevention, surveillance and facilities for students with disabilities.

There were no bitcoins or artificial intelligence when our civil code was compiled. This could cause problems.

The annual homicide rate has decreased considerably since the 1990s. In their hunt for an explanation, researchers Pauline Aarten and Marieke Liem made a surprising discovery: if you divide homicides into categories, you find significant differences in the homicide rate. Publication in the European…

Three Humanities lecturers received the Senior Teaching Qualification (SKO) this year. Lecturer Hossam Ahmed is one of them. What does he think makes for good education?

September 26 is the European Day of Languages. There are 24 official languages in Europe but some 200 languages in total are spoken on our continent. What good are all these different languages? And should we all learn Azerbaijani or Swedish? We asked Lisa Cheng, Professor of General Linguistics.

How do you progress from an immense gas cloud somewhere in the universe to a star with planets? Research by Astronomy PhD student Martijn van Gelder sheds more light on the earliest phases of this process. He will receive his doctorate on November 24th.

The right medicine in the right dosage for every patient, that is something medical science aspires. 'Personalised medicine' is the term for that. But it does require a lot of research with patient data and that can be hard to get due to privacy legislation. Researchers Laura Zwep and Coen van Hasselt…

Words originally intended to indicate space, such as ‘out’, are also regularly used to indicate cause and effect. Why does this happen? And how does it work in other languages? PhD candidate Camil Staps decided to find out.

The government spends millions regulating companies that work with large quantities of hazardous substances. But we don’t know whether this is making the industry safer. The number of violations and incidents remains constant. This is the conclusion of external PhD candidate Rob in ’t Veld in his dissertation.…

When we hear the word ‘bird house’, do we process it as a whole or does our brain see it as ‘bird’ and ‘house’? PhD student Jiaqi Wang explored this for speakers of Mandarin Chinese.

When Dutch company AFAS Software announced that its employees would work four days per week for the same full-time pay, many people asked: how’s that possible? Professor Olaf van Vliet spoke to Trouw and Nu.nl about the challenges of this model.

From March 11th to 14th, the workshop "The Future of Ethics in Caribbean Archaeology," led by IN THE SAME SEA Postdoctoral Fellow Felicia Fricke and her colleagues Eduardo Herrera Malatesta (Århus University, Denmark) and Maaike de Waal (Leiden University, The Netherlands) took place at the Saxo Institute…

Egbert Jongen is appointed Professor of Economics and Socio-Economic Policy at Leiden University from 1 November 2023. His expertise is in the field of socio-economic policy, inequality, and the labour market.

Many intelligence services have an outdated view of the world while the threats they should protect us from are becoming more complex. Serviceman and researcher Bram Spoor warns that NATO and member state intelligence organisations cannot always predict the dangers.

Nationalism is so prevalent in our society that we hardly realise it once didn’t exist. In his new book, senior university lecturer Eric Storm reveals the global history of the phenomenon. ‘Nationalist movements have always influenced each other.’

Professor Henk te Velde started as interim dean of the Faculty of Humanities on 1 March. Mark Rutgers' successor is faced with the task of getting the faculty back to financial health.

The 2024 Thorbecke Lecture was held on Friday 19 April, with the theme of ‘The role of the Court of Justice in protecting the consumer’. Before the lecture, students from Leiden Law School and Ghent University’s Faculty of Law competed in a Moot Court competition based on the same topic.

PhD candidate Maia Casna received an Incentive Prize from the Dutch Association for Physical Anthropology (NVFA). She was rewarded this honor for her innovative research into respiratory diseases and her talent for presenting her results to both academic and general audiences. ‘It feels really nice…

The fact that corona has created a wave of creativity is evident when walking around in the lab of pharmacologist Coen van Hasselt from the LACDR. Suddenly there were far fewer master's students permitted in the lab for their research. So Van Hasselt came up with smart solutions to enable lab work to…

Like spoken languages, sign languages evolve organically and do not always have the same origin. This produces different ways of communication and annotation. Manolis Fragkiadakis wrote his PhD thesis on this.

If it is up to university lecturer Evelien Walhout, in a year's time we will know exactly what people from Haarlem and Zwolle died of a century ago. Together with colleagues from other universities, she started the doodsoorzaken.nl platform, where causes of death are recorded. ‘Somewhere around the…

Astronomers led by Simon Portegies Zwart used simulations to reconstruct how three stars were ejected from the star cluster R136, 60,000 years ago. The analysis reveals that five stars were involved in the event in the Tarantula Nebula.

Sex and power are closely linked, and this was certainly true in the former Dutch colonies. PhD student Sophie Rose investigated how sexual and love relationships influenced eighteenth-century power structures there. 'You can see that there was constant fighting over who stood where in the social hi…

Rogier Creemers is a lecturer in Modern Chinese Studies. While he looks for challenges in his lectures, in his free time he much prefers to go back to basics and work with his hands.

He makes music, goes to the athletics track twice a week and, according to his supervisor, has done his research so well that it would not be out of place in a PhD research. Physics and astronomy student Hidde Stoffels' undergraduate research on the properties of dark matter is of such high quality…

For the first time, research has been conducted on how the health of detained persons prior to their detention differs from that of non-detainees and to what extent health problems change over the period: from before and after their detention.

From the very beginning, the Islam has known an oral tradition. It was only two hundred years ago that Muslims starting writing about the history of Islam, on rocks or other hard materials. Arabic epigraphy (study of inscriptions) turns out to be an essential tool in historical genealogy research. Abdullah…

A world-famous light experiment from 1801 has now been carried out with sound for the first time. Research by physicists in Leiden has produced new insights that could be applied in 5G devices and the emerging field of quantum acoustics.

Microscopic swimmers such as bacteria do not always swim alone. There are advantages to exchanging information and cooperating. Stefania Ketzetzi and colleagues now show in Nature Communications that human-made microswimmers, too, can cooperate.

Computer scientist Tim Coopmans uses pen, paper and regular computers to simulate the best possible quantum computer. He tells about his research and how this helps make a useful quantum computer a reality a little bit sooner. ‘I hope I will get to see quantum computers contributing something really…

Researchers at LIACS have found a vulnerability in open-source code that’s been used around the world for over 15 years. They’ve also developed an AI-based tool to fix the problem automatically. ‘You really can’t afford to lean back.’

Leiden researchers, led by Sebastian Pomplun developed a new method to screen hundreds of thousands of molecules for drug discovery, using mass spectrometry instead of DNA tags. ‘We wanted to make drug discovery faster and more accessible.’

In the Pioneers of Leiden University series, we talk to past and present students who were the first in their family to go to university. In this second instalment: historian and university lecturer Nadia Bouras (1981). ‘Although I only found out later that was my mother’s dream, it was as though I…