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.

New sampling and analytical strategies give archaeologists a better understanding of the nutrition and survival of ancient populations. Publication in PLOS One.

Martijn Manson became programme director for the Master’s in Pharmacy this month. He is a pharmacist as well as a lecturer and researcher at the LACDR (Leiden Academic Centre for Drug Research). ‘LUMC and LACDR share the responsibility for training the pharmacists of the future.’

Leiden archaeologists have been conducting research with students and local archaeologists in Oss (in the province of Brabant) for 50 years. An exhibition at Leiden University shows how these finds tell the region’s story.

On 3 September 2025, more than 30 archaeological objects were returned to Peru, Panama and Costa Rica. The objects come from a private collection belonging to the descendants of physician and amateur archaeologist Dr Hans Feriz. In her will, his daughter stipulated that the objects collected by her…

Online dating is hard enough on its own, but these days you also need to know what terms like ‘zombieing’ and ‘prela’ mean. Alumni Milou Andree and Vivien Waszink wrote ‘Swipen voor een kwarrel, a book that discusses all the dating jargon, from the ‘scharrel’ to ‘pigbutchering’.

On 8 and 9 July 2022, Leiden Law School hosted the second conference of the Research Group on Institutions for Conflict Resolution (COI).

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

Five thousand years before the common era (BCE), Proto-Indo-European, the mother of many languages that are spoken today in Europe, Central Asia and South Asia, originated in eastern Europe. PhD candidate Axel Palmér has combined a 175-year-old hypothesis with new techniques to demonstrate how descendants…

On 14 September, the Leiden Essay Film Festival will kick off. This three-day festival, organised by the Academy of Creative and Performing Arts, marks a first for the Netherlands. Never before has there been a public event entirely dedicated to the exceptional genre of the essay film. The festival…

‘There’s so much knowledge, research and experience in the field of student well-being. Let’s put this topic on the agenda, work together to promote it, and learn from each other.’ This was the message of the two-day virtual symposium on Good Practices for Student Well-Being.

Three years ago, associate professor Alicia Schrikker published De vlinders van Boven-Digoel, in which she chronicled several stories about colonial life in present-day Indonesia. Now there is a translation, by Rianti Manullang, who is also an assistant professor at Universitas Indonesia and doing her…

Planets existing in other solar systems contain invaluable information about the origin of planets and life. PhD candidate Yapeng Zhang has studied their atmospheres by looking at their smallest parts: isotopes. With her research she hopes to discover what makes our own solar system unique.

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

This academic year, we are welcoming several international students who have started studying at FGGA with a prestigious scholarship. We asked them about their background, their reasons for applying, and the application process. Congratulations to all students who have been awarded a scholarship!

At the Leiden Institute for Area Studies (LIAS), scholars have been studying the Indian subcontinent with attention and expertise for more than 100 years. This part of South Asia is an economic giant with a population of over two billion. Nira Wickramasinghe, Professor of Modern South Asian Studies,…

On January 1st Jasper Knoester started as our new dean. How is he finding it? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

How can we work together to create a safe study and learning environment and offer students the support that they need? The Vision on Student Well-Being outlines the University’s plans to promote student well-being in the coming years.

On Friday 12 November 2021, the Net Zero Space initiative was launched at the Paris Peace Forum. The International Institute of Air and Space Law (IIASL) of Leiden University is one of the first supporters to the initiative.

Excursions to Leiden museums, a flown-in American professor and a collaboration with PhD students from Cambridge: Leiden PhD candidates in early modern art were in luck this summer. An award from the Camino Laurent van Vugt Fund allowed the LUCAS research institute to organise a special summer school…

On 16 May 2022, Professor Michel Wouters from the Department of Biomedical Data Sciences at the Leiden University Medical Centre (LUMC), will deliver his inaugural lecture titled ‘Quality of Cancer Care: why the real world matters’. Wouters will use the opportunity to describe how quality registries…

Simon van Hoeve is a student of the master’s degree programme International Relations. Every week, he makes a podcast episode for his study association, in which he discusses topics related to his study programme with his guests.

A big performance by André Rieu, food trucks in The Hague and more contact with the Royal Family: grand plans were announced in April to make the State Opening of Parliament (Prinsjesdag) a real ‘crowd puller’. For this year, however, we will just have to make do with slight differences in emphasis.…

Expert in Classics Renske Janssen has been awarded a Rubicon grant. She will use the grant to conduct research at the University of Edinburgh into how Roman law was perceived by society at the time.

How do we balance policy critique with constructive policy recommendations? How do we navigate power relations between policy makers and (disadvantaged) communities, without estranging either? And what are particularly productive methods for translating our medical anthropological insights into poli…

Organisation

A rapid increase in the demand for construction sand is driving shortages and inequality around the world. Researchers from the Institute of Environmental Sciences at Leiden University have mapped the growing need for sand, as well as the bottlenecks and possible solutions. They have published their…

During his bachelor's programme in International Studies, Tom de Groot became fascinated by the theme of peace and security. Now he designs and moderates training courses to help professionals develop further in this field.

A professor from Leiden University has subjected various colleagues to intimidating and unacceptable behaviour for a longer period. These are the findings of an investigation carried out by the University’s independent Complaints Committee for Unacceptable Behaviour at the request of the Executive Board…

A diverse team of Leiden archaeologists applied for, and was awarded, the KNAW ‘Appreciated!’ grant, meant to further their science communication endeavours. We speak with Dr Maikel Kuijpers, who is the main contact person of the application.

The earlier you introduce children to a language, the sooner they can be captivated by it and see that there is more than just Dutch and English. That is the basis for the language lessons for primary education that Alisa van de Haar, university lecturer of French, collaborated on. ‘Deans from different…

How do you go about the sustainable restoration of a nineteenth-century ship without affecting its historical worth? Leiden University students from the master’s programme in Industrial Ecology spent six months working on this question. We spoke to Hidde Boom (25) and Tycho Jongenelen (25), two of the…

As of April 1, physicist Dorothea Samtleben is the first female program leader of Nikhef, the National Institute for Subatomic Physics. Samtleben will lead the Neutrino Physics group there. ‘This is an important step for Nikhef when it comes to diversity.’

What do you need to move your interdisciplinary collaboration forward? The Knowledge Orchard event will help. Assistant Professor Eduard Schmidt, who is giving a session on leadership, gives a sneak preview.

Leiden University’s Institute for Security and Global Affairs and Dual PhD Centre jointly organize an online lecture on 23 April, 15.00 hrs by Cleveringa Professor General Roméo Dallaire on “How a better world is possible”: Cooperation between Science and Practice.

Plant biologist Pingtao Ding, assistant professor at the Institute of Biology Leiden (IBL), has received a 2.4 million European grant from the European Research Council (ERC). This ERC Starting Grant for promising young researchers allows him to unravel the molecular mechanisms by which plants resist…

Pigeons, zebra finches and parakeets. Carel ten Cate studied bird sounds. But not just that. Together with linguists from Leiden, he investigated parallels between birdsong and language. On 9 June, his farewell symposium was held to mark the end of his broad career. Well, the end? Carel ten Cate has…

A consortium, led by Erik de Maaker (CADS, Leiden), has under the NWA scheme (Dutch National Science agenda) been awarded 98k€ for Localizing Global Garment Biographies, a two-year project to research the different ways by which users and producers attach value to garments.

The Herta Mohr Building is leading the way in sustainable innovations, for both Leiden University buildings and beyond. It is the university’s first fully gas-free building and the new Thermal Energy Storage system alone will cut carbon emissions by 150,000 kg per year. The building has an ‘Excellent’…

Leiden University’s Living Lab is moving to the middle of the Leiden Bio Science Park. In the lab’s new home between the University of Applied Sciences, Mentor and Naturalis Biodiversity Center, the first ditches have now been dug. This new location is more accessible to both researchers and the public.…

ICT

Technology, medical knowledge, social measures and the design of the living environment: all these needed to achieve a healthier society. In a series of interviews, 14 researchers from Zuid-Holland, including from Leiden University, argue for an integrated care approach.

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

In December 2024, Dr. Jonathan Singerton (University of Amsterdam) was the featured guest speaker at the last lunch talk of the Fall 2025 semester. A full house assembled to hear Dr. Singerton take us on a journey across the Habsburg Empire and to spots far-flung from Vienna. Dr. Singerton told us a…

Of the 900 new companies that have set up shop on the Netherlands’ largest campuses since 2018, 194 chose Leiden. This makes the Leiden Innovation District the fastest growing of the larger campuses. This is the conclusion a study by Buck Consultants International.

Pieter Slaman, Assistant Professor at the Institute of History and the University’s university historian, has won the 2024 LUS Teaching Prize.

Nanomaterials can pass much further along the food chain than was previously thought. The particles can change shape and size in each organism, enabling them to pass on to the next one in the chain. Researchers from the Institute of Environmental Sciences discovered this accidentally when using a novel…

ACPA alumnus Gabriel Paiuk is releasing a new album, titled Degrees of Transparency, on the Unsounds label.

Do you recall all those drugs that were hastily proposed as potential treatments for COVID-19? In the event of a future pandemic, the goal is to offer an effective treatment more quickly and efficiently. To achieve this, a team led by Coen van Hasselt is developing a platform that can speed up the process…

A new almost free childcare system may sound ideal, but it also comes with risks for parents. Psychologists from Leiden University and research firm D&B have concluded that the system can cause uncertainty and stress, particularly among vulnerable groups.