Consumer grade smartwatches may not be as accurate as promised when measuring tiredness or stress. That is the conclusion of researchers Björn Siepe and Eiko Fried based on a comparison between smartwatch measurements and self-reports by users.

On Monday 22 November 2021, the Municipality of Leiden, Leiden Law School and the Legal Advice Centre in Leiden signed a collaboration agreement. The parties agreed that at the request of the Municipality, the Law School will help train students to better equip them in their work on the Rental Team…

In een goedgevuld Teldersauditorium vond op maandag 24 juni het symposium ‘Het Erfgoed van Meijers: 70 jaar waardering en inspiratie’ plaats. Vanuit verschillende perspectieven werd gereflecteerd op de omvangrijke nalatenschap van de Leidse hoogleraar Eduard Maurits Meijers, die precies zeventig jaar…

In mid-March 2020, the global coronavirus outbreak changed everything in the Netherlands. Staying at home as much as possible and the 1.5 metre rule became the standard. One year on, we reflect on the past year with four Leiden Law School ‘insiders’. What kind of year did they have? And what are their…

Roman philosopher and orator Marcus Tullius Cicero is still used as an intellectual example by politicians and speech writers today. But, he did not go unchallenged in his own day, as a statesman in particular. Classicist Leanne Jansen conducted research into how classical historians judged Cicero’s…

As a bachelor student of Bio-Pharmaceutical Sciences, Femke Vlaswinkel wrote a research proposal she was allowed to carry out in her master’s BPS. Femke subsequently graduated with honors. Her research was published in the journal Scientific Reports, she won an award from the Dutch Pharmacy Society…

As professor of computer science at LIACS and programme director of incentive programme SAILS, Joost Batenburg knows better than anyone what is going on in the faculty. Over the past three years, he learned at lightning speed what is going well and where sensitivities lie. 'We need to move more towards…

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.

ICT

Using all the software you need for lectures on your own laptop. From the new academic year, that will be the standard at our faculty. That is when the Bring Your Own Device pilot will start. The arrival of the software distribution platform brings many benefits. ‘Teaching will become more flexible…

There is a lot of discussion about international students and Dutch universities. The Cultural Anthropology and Sociology of Development programme is an international bachelor's programme. Forty per cent of our students come from outside the Netherlands. We ask five students how they feel about studying…

Two years ago, university lecturer Kirsty Rolfe was nominated for the Faculty Teaching Prize. Now she is in the running for the university equivalent. ‘It’s lovely to see students blossom.’

A live online New Year’s event on Tuesday 12 January marked the start of the New Year. Dean Joanne van der Leun toasted 2021 and as usual at this event, the annual Meijers prizes and thesis prizes were awarded.

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…

Paul Behrens and his team have won the Frontiers Planet Prize of half a million euros for their research into the effects of switching to a plant-based diet.

How can Europe lead the way in vaccine development that is fast and for all? To answer this pressing question, Professor of Vaccinology Meta Roestenberg is holding a panel session on 14 July at the EuroScience Open Forum in Leiden.

After one bachelor’s and two master's theses, Fenna IJtsma knew for sure: she wanted to do a PhD. Her thesis supervisor warned her about the high workload. In the 'Twijfeltraject' (PhD: to do or not to do) podcast, published by Mare, IJtsma explores with Mare editor Susan Wichgers whether a PhD track…

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…

By Royal Decree, Mirjam Sombroek van Doorm was appointed as a member of the Health Council of the Netherlands as of 1 January 2024. She has joined the standing committee for Ethics and Law as well as the temporary Brain Injury through Sports Committee. The Health Council of the Netherlands is an independent…

In the 2020 presidential elections, voters in several, mostly southern, electoral districts of the United States saw ‘their’ polling stations closed by the local authorities. In order to cast their vote, they had to travel further or use the mail ballot. Media reports and civil rights activitsts often…

A TikTok by student Loïs de Jong from Leiden University in which Leiden sparkles as a student city won the final of the Leiden Media Contest on 13 June. According to the jury, the film was ‘the most appealing for today’s generation of current and prospective students – it includes nearly all elements…

Neighbourhood newspapers, newsletters and Facebook groups: Leiden residents have dozens of ways to keep each other informed about news in their neighbourhood. Students from the pre-master's programme in Journalism and New Media mapped out all these different media and asked themselves: what is the future…

Employee participation an issue that is not of your interest? On the contrary, your vote directly affects your working environment at Psychology. You know, where you give your best every working day. Three of our colleagues are getting in the race for a spot in the Unversity Council. Take that chance…

Since 1 June, the Faculty of Humanities has gained a position. As knowledge broker, Marlieke Ernst wants to connect researchers: with each other and with the outside world.

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…

Current antibiotics only address very few target proteins in bacteria to kill them. Researchers know that there are more possible target proteins to tackle the bacteria. The question is: which ones. Thanks to the NWO Vidi Grant, Assistant Professor Molecular Physiology Stephan Hacker and his team can…

Lawyer and human rights activist Lilian Gonçalves-Ho Kang You is the new Cleveringa professor.

From January 2026, Leiden University will have an additional location in The Hague: Spui Campus. As well as teaching, study and sport facilities, it will offer 90 workspaces and meeting rooms for Leiden University staff.

The energy transition is already a huge challenge for society, but sustainable use of resources is even more complicated. Yet it is at least as urgent. Ester van der Voet has been working on it for decades, for example within the United Nations. Since February, she is a professor at the Centre for Environmental…

Many members of Chicago's P'urhepecha community did not even know they lived a stone’s throw from some of their own historical heritage. Researcher Kate Bellamy organised a meeting to introduce them to books hundreds of years old.

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.

The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic challenges in the digital environment. This years conference focused on international cyber security and the role of the…

I was disgusted by the recent Ongehoord Nederland broadcast on 15 September. The racist and hateful comments made by alumna Raisa Blommesteijn were, as far as I am concerned, way over the line and in my opinion also violate Article 1 of the Constitution of the Netherlands.

Hans Slabbekoorn is specialised in animal sounds. On 1 July, he was appointed professor of Acoustic ecology and behaviour. A great honour, according to the new professor. ‘This job never gets boring, whether I am investigating the urban jungle or marine noise.’

Algorithms solve problems. But which algorithm is best suited to which problem? During his doctoral research, Diederick Vermetten developed methods to figure this out. And that is important for the entire field.

Frank van Vree, Emeritus Professor of War, Conflict and Memory Studies at the University of Amsterdam (UVA), is the new Cleveringa Professor at Leiden University this year.

What do gender identity and digital technology have to do with each other? Together they are the subject of research at Leiden University. Researchers Tessa Verhoef and Eduard Fosch-Villaronga of the faculties of Mathematics and Natural Sciences and Law will investigate the interaction between artificial…

Marie Robin, Assistant Professor at the Institute of Security and Global Affairs, discusses in Le 1 Hebdo, Radio France and RFI how revenge, often condemned as destructive, can also reveal what societies consider just and shape pathways toward peace.

Scholars from the Faculty of Humanities regularly travel the country to introduce secondary school pupils to their field. The schools can choose from 16 different lessons - and there is room for expansion.

Marion Pluskota is the new post-doc on Manon van der Heijden's 'Crime and Gender' project.

Starting 1 January 2023, Matthias Haentjens has been appointed as Professor of Civil Law at Leiden University. His expertise lies in the field of property law, insolvency law, and private international law.

Seventeenth-century Danish scientist Niels Stensen made groundbreaking discoveries in the anatomy of the body and of Earth. This Leiden alumnus’s theories are still relevant, as an exhibition at the Oude UB shows.

Winning an award at the start of your studies? No problem! Lieke Vertegaal is 20 years old and a first-year Computer Science student at Leiden University. On November 29, 2021, the Royal Dutch Academy of Sciences (KHMW) awarded her a Young Talent incentive award.

The Voices of Africa platform is ten years old and has just recently won the annual popularisation prize of the Netherlands Graduate School of Linguistics (LOT). High time for a chat with Jenneke van der Wal, Maarten Mous and Nina van der Vlugt about the importance of the platform and plans for the…

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

Using mathematics to help children with bone cancer. It sounds a little strange, but for statistician Marta Fiocco, it's just her job. She gets a substantial grant from KiKa for it. With that money, she is going to study the effect of chemotherapy adjustments.

Conducting research with academics from different disciplines is not easy. ‘But collaboration is vital to society,’ says Professor of Environmental Sustainability, Jan Willem Erisman. On behalf of Leiden’s Liveable Planet interdisciplinary programme, he is organising a symposium that will be held on…

Professor of Privacy and Cybercrime Bart Schermer researches the relationship between new digital technologies, enforcement and human rights. What cybercrime trends can he see that are relevant to an organisation like Leiden University?

Leiden University is a fantastic example of a network university: we create an impact with the city, stakeholders and regional and international partners. The lines of communication are really short and there is a great sense of togetherness. Our good relations with the city have also informed how we…

The pews of the Walloon Church were filled on Friday 23 May, as more than 120 former students of the French Language and Culture programme gathered to attend mini-lectures, a short theatre performance, and a discussion about the state of the discipline.