Leiden researchers Arko Ghosh and Enea Ceolini analysed the usage data of hundreds of mobile phones and discovered that our body has rhythms ranging between 7 and 52 days. These cycles influence how we behave. Their research resulted in an article in npj Digital Medicine journal, a Nature Portfolio…

While all European nations have condemned the Russian invasion of Ukraine, there is one country Russia can still count on: Belarus. Russia even used its territory as a stepping stone for the invasion. We spoke with Matthew Frear, Assistant Professor and expert on contemporary Belarus, to shed light…

Hester Bijl, the Rector Magnificus of Leiden University, was handed a ‘shockingly long list’ of names of missing Iranians in her office at the Administration and Central Services department on 13 December 2022.

Criminology students Simone Kruijt and Noor Hekker conducted research into cybercrime in Leiden and presented their findings to the regional police and an enthusiastic Mayor Lenferink. The conclusions call for a new approach, said Lenferink.

In a fiery Annie Romein-Verschoor lecture, Sylvana Simons opened up about her experiences as a woman in politics. The leader of the BIJ1 party is regularly the subject of belittling comments and threats. Writer Aafke Romeijn, who reflected on the Simons’ lecture, has also been threatened frequently…

On 26-28 June, 2023, Leiden University’s Institute for History will host a summer school on Socioeconomic diplomacy and global empire building, 16th-19th centuries, in collaboration with the N.W. Posthumus Institute (the research school for economic and social history in the Netherlands and Flanders)…

Marlon Titre (1982) studied at Royal Conservatoire The Hague, did his PhD and studied at Leiden University, earned several other qualifications and is now, among others, Director of Filmhuis The Hague. Who is this multi-talent?

A team led by Leiden University in the Netherlands and the National Radio Astronomy Observatory have, for the first time, robustly detected semi-heavy water ice around a young sunlike star. In this ice, some of the ordinary hydrogen atoms have been replaced by deuterium, a heavier variant of hydroge…

An international team of astronomers led by Ardjan Sturm of the Observatory has made the first two-dimensional inventory of ice in a planet-forming disk of dust and gas surrounding a young star. The researches, including Melissa McClure, used the James Webb Space Telescope and publish their findings…

The World Food Programme, Philips, the European Space Agency. An overwhelming list of organisations that Sarita Koendjbiharie, as founder of the PRINS consultancy programme of International Studies, has managed to recruit. ‘We keep reaching new highs and insights together with our students and organ…

Infecting each other with viruses and bacteria while protecting yourself with medicines and vaccinations. Sounds like a fun evening, right? Master students Life Science & Technology Rafael Jezior and Dennis de Beeld certainly think so. Together, they developed ImmunoWars: an exciting card game based…

In 2026 bestaat het studentenorkest en -koor Sempre Crescendo 195 jaar.

The social sciences are vital in navigating complexities, fostering understanding and bridging divides. This was celebrated during the faculty opening of the academic year.

Four projects led by the Faculty of Humanities have been awarded KIEM grants. The researchers will receive €10,000 to carry out their plans.

People who are attracted to more than one gender often experience a disadvantage in the workplace and labour market. How can the workplace can be improved for bi+ people.

Mark Rutte, the Dutch prime minister, gave a guest lecture to first-year law students at Leiden University. He spoke about democracy, the war in Ukraine and the role of the Netherlands.

What did medieval scholars think of the books they read? In her inaugural lecture, Professor Mariken Teeuwen will talk about the texts they wrote in the margin.

Cultural anthropologist Sabine Luning, cultural historian Paul van de Laar and professor of architecture and urban development history Carola Hein say that the things that are not shown in images are also worth studying.

From research on stellar winds to sign language: an impressive seven researchers from Leiden University will receive a prestigious Vici grant from the Dutch Research Council (NWO).

The child benefits scandal caused significant harm to families. The independent Hamer Commission specifically investigated the link between the scandal and the removal of children from their homes. Public Administration student Benito Walker was a member of this commission and shares his experiences…

For the first time, an international team of scientists led by Leiden Observatory and SRON can explain the extreme jet streams observed around the equators of all the giant planets using a single model.

Patients with incurable cancer want their oncologist to be clear but to show empathy too. They find hard and vague communication harmful. These are the results of a study by psychologists from Leiden that has been published in the American journal Cancer.

What if I completely changed everything? A subject without lectures or exams, where the right answer is not important and where students work with their hands. With this idea, Michiel Brentjens reformed the course Radioastronomy. His students are so enthusiastic about this approach that they nominated…

Is the child benefits scandal an omen for the future and will people’s lives soon be fully dominated by algorithms? Assistant Professor of Constitutional and Administrative Law Reijer Passchier warns that the encroaching digitalisation is giving the executive branch even more power, leaving parliament…

Sharing knowledge based on research within organisations presents a challenging task. How can this be done effectively? What steps should be taken to ensure that knowledge obtained from research is shared and applied in the organisation's daily practice? On 8 May, the Leiden Leadership Centre (LLC)…

How safely do you handle your data? Privacy officer Eric van Hoof assists researchers and staff with this. 'The biggest mistake people make is thinking they have nothing to hide.' He has some useful tips.

Han Meyer, Carola Hein, Paul van de Laar and Sabine Luning, argue that in the current moment of major crises these ship channels necessitate radical reconsideration.

Five consortia within the Perspectief programme that include Leiden researchers have received funding to start their research projects. These projects focus on (further) developing technological innovations, with societal and economic impact at their core.

After years of lobbying by environmental activists, a deposit scheme for small plastic bottles is to be introduced on 1 July 2021. One of the leaders in the fight is alumnus Merijn Tinga. The university will have collection points for plastic bottles and is also supporting the Plastic Spotter citizen…

Laughing, crying or even having a moan together: close friends are worth their weight in gold in good and bad times. Researcher Lisa Schreuders explains the effects on body and mind. Can we give that magical click a helping hand? And what advice does she have for first-years in their new city?

Another successful edition (the fourth!) of the Leiden Alumni in Brussels event took place on 23 February. With a fully booked registration list, it already promised to be a great success in advance. The event took place at the Baker McKenzie location right in the centre of Brussels. As the area was…

Leiden Teachers’ Academy is proud to welcome six new fellows. They will share their expertise with the rest of the university and launch innovative education projects.

Assistant Professor Anna Dlabacova has been awarded a Starting Grant by the European Research Council. She will use this grant of around 1.5 million euros to conduct research on the Dutch vernacular ‘book of hours’.

Professor Jojanneke van der Toorn has held the chair in LGBT workplace inclusion for five years. To celebrate, organised an international online conference on workplace inclusion, in cooperation with Workplace Pride that was hosted by the university on 20 and 21 May.

On Friday 9 December, Renate van der Zee and professor Marieke Liem held a lecture on 'Visible and invisible violence against women' at the Campus The Hague.

Who was professionally involved in language between 1550 and 1650? And what were the financial returns of this language sector? Assistant Professor Alisa van de Haar has received an ERC Starting Grant to map out the situation in Northwest Europe between 1550 and 1650.

What better way is there for an alderman to find out where best to put his efforts than to pay a working visit to the university? Hilbert Bredemeijer, Alderman in The Hague for Education, Sport and the Outdoor Space, paid a visit to Campus The Hague on Wednesday 6 October 2021.

Facility, Organisation

What effect do trends in the art world have on the formation of museum collections? University lecturer Martin Berger wants to answer that question in his research within the Museums, Collections and Society project, which asks ethical questions about the origin of collections.

For a successful return to society, incarcerated individuals must work on their reentry during their sentence. Not all such individuals receive good reentry support. This is according to a report by Leiden criminologists.

Researchers from Leiden University analysed almost 30 years of communication on astrobiology. News articles proved most speculative, especially via quotes from scientists. Especially exoplanet research is often accompanied by high expectations about extraterrestrial life, they write in PLOS One.

Amidst the lathes and welding machines of the Fine Mechanics Department, Emiel Wiegers is working concentratedly on a metal cylinder. He and his colleagues design and construct components for researchers' set-ups. ‘We are a bunch of inventors who enjoy helping the researchers in our Faculty.’

How do you know if your idea has succeeded? The Queen coming to call a year and a half later might just be a clue. This happened to the Leiden student foundation ‘Door Het Geluid’, which promotes student well-being.

The new minor 'Cyber Security Governance Essentials' will start in September 2021. Third year bachelor students of The Leiden Institute of Advanced Computer Science (LIACS) and of the BSc Security Studies of the Institute of Security and Global Affairs (ISGA) who would like to deepen their knowledge…

Professor of Modern China Florian Schneider researches what people do with technology and what technology does with people. Social media, for example. And then mainly in China.

Towards the end of the academic year, many students struggle with study stress. Does the pressure sometimes get too much for you, too? Student psychologist Martine Efting Dijkstra has some tips.

Laura Boncz was a member of the faculty board last year as an assessor of the Faculty of Social Sciences. Robin Buijs will take over from September. In this article Laura looks back and you can meet Robin.

Woensdag 7 september bezochten de nieuwe eerstejaarsstudenten Rechtsgeleerdheid en Criminologie de Stadsgehoorzaal voor een College Tour met als thema: Strafzaken en de media. Presentatrice Annemarie Brüning, bekend van Hart van Nederland, ging hierover in gesprek met professionals uit het vakgebied…

Two Leiden students stand a chance of winning the ECHO Award for Higher Education. Deniz Rana Kuseyri (Rana for short) and Ruşen Koç are two of the six finalists for this annual national prize that is awarded to students who promote diversity and inclusion in their own discipline.

In the spring of 2024 the Faculty of Archaeology welcomed a new postdoc. Dita Auzina, originally from Latvia, works as a researcher in the project of Alex Geurds. ‘I have joined the project as a landscape archaeologist, but I also run my own fieldwork in Nicaragua.’