Several years ago, two amateur archaeologists from Brabant discovered over a hundred Roman coins near to Berlicum in the north of the province. After years of research, it now appears that the location, close to a ford in the river, was a site for offerings. Another interesting fact is that the coins…

One and a half hectares of polder, a large volume of water, and a group of curious researchers from various universities and scientific backgrounds led by ecologist Maarten Schrama. These are the ingredients needed to answer the question: how do water retention areas affect nature, animals, and our…

This week, around 1,200 brand new students from 68 different countries are getting to know each other and their new student city. Orientation Week Leiden (OWL) got off to a good start on sunny Lammermarkt, which was packed with enthusiastic internationals.

‘There’s so much going on, and it’s hugely interesting.’ Serge Rombouts, professor of Methods of Cognitive Neuroimaging, is describing his new position on the Executive Board of the Institute of Psychology. His appointment as a board member is very new. It is only since February that he has been responsible…

Synthetic fuel is cleaner than natural oil, but its production process needs to be more efficient. Now for the first time, physicists have directly observed the molecules produced in the chemical process. This paves the way for designing more efficient catalysts. Publication on September 19th in Nature…

The students at Leiden University are satisfied with the online teaching that they received in the second semester of the 2019-2020 academic year. They were more satisfied with the teaching that imparted knowledge than with the teaching that focused on applying knowledge. These are the results of a…

On 30 April, Prime Minister Mark Rutte was presented with the manifesto of the NWO Youth Challenge, which contains advice for policymakers, scientists and administrators on the empowerment of youth in the time of coronavirus. The manifesto is based on research questions submitted to the science community…

A delegation from Leiden University is visiting Brazil from 14 to 18 March. The first day of the visit was spent with scientists in São Paolo.

Autism, Alzheimer’s, and bipolar disorder: can the development of these mental health conditions be influenced by the ketogenic diet? Increasingly, research suggests it might. 'For those it helps, it can be life-changing,' says neuroscientist Eline Dekeyster.

What effect did the lockdown have on young people? Leiden researchers started a study of this in the first year of the covid pandemic. They discovered an impact on the development of the brain areas involved in social behaviour. The researchers published their discovery in Scientific Reports at Nat…

For his PhD project, computer scientist Manolis Fragkiadakis is developing a tool that can compare videos of sign language corpora. This would make it possible to detect differences between sign languages and prevent translation errors. Ultimately, the tool could be used to compare sign languages from…

Bachelor’s students Dana Huisman, Marleen Kop, Sam Wichers Schreur and Adriënne de Zoeten were granted the Speckmann Award for their Fieldwork NL report ‘Samen Verder: een project gefocust op vrouwen, taal en integratie'. Alumna Shirley van der Maarel received the Master's Speckmann award for her innovative…

LUMC Curium and the Dutch National Youth Council (NJR) have been working on integrating young people’s lived experiences of mental health problems in medical research and training. The aim is to broaden doctors' and researchers’ perspectives and improve the care offered.

Tingting Hui started her PhD project at LUCAS in September 2015. Her promotors will be Ernst van Alphen and Yasco Horsman from the Literary Studies department.

Industrial ecologists Stefano Cucurachi and Flora Siebler are part of the new consortium PROGENY, which received 3.6 million euros from the European Commission. PROGENY is an exciting project that will study the possibilities of soap films for innovations, such as ultra-thin screens.

People from the Dutch islands of Bonaire, Saba and Sint Eustatius say that violence (mainly verbal) is fairly common in families. This is according to research by Leiden University, the University of Curaçao and UNICEF Netherlands. The researchers make recommendations for preventing such violence over…

The euro crisis of 2010 has shown that the Eurozone lacks economic cohesion and that EU fiscal integration is needed for a stable euro. But can this integration exist without clashing with the national constitutional interests of the Member States? Frederik Behre looked into this matter in his PhD-thesis…

Sjaak Neefjes, Professor of Chemical Immunology at Leiden University, will receive the NWO Spinoza Prize this year. The Spinoza Committee called Neefjes an ‘exceptional researcher whose intelligence is matched by his boldness’. He will use the 2.5 million euro prize to pursue his research into cancer…

Paul Wouters is not keen on people with a dual agenda. However, for the coming period, he himself will be in that very position. Besides his work as Dean of the Faculty of Social and Behavioural Sciences (FSW), he is temporarily coming to strengthen the Board of the Faculty of Science. Who is this Acting…

For the next couple of years, Joris van der Voet, Associate Professor and researcher at the Institute for Public Administration will be heading a research project on top-level bureaucrats and how they go about making choices and prioritizing issues. He has been awarded a Vidi grant by the Dutch Research…

When negotiating a salary or a purchase, negotiators often make strategic use of emotions. Social psychologist Zi Ye demonstrates how one negotiator might fake happiness, exaggerate disappointment, or conceal anger — and how the other side may either appreciate or disapprove of such emotional tactics.…

As you near the end of your student time, it can be daunting thinking about what you want to do after graduating. Am I ready for the job market? What are my options? Just about every student wrestles with these questions, and Lisanne and Wilbert are no exception. They called on the help of the University's…

Local residents, scientists and students are investigating riverbanks in Leiden for the 'Bank Plants' citizen science project. Which plant species are found where? And how can the municipality of Leiden improve its riverbank management to ensure optimal biodiversity?

Beads are among the oldest types of human artistic expression. Even so, the small ornaments have a bad status record regarding archaeological investigation. PhD candidate Mette Langbroek, usually at home studying early medieval beads, had the opportunity to work on a publication and exhibition on 5000…

De klimaattransitie is in volle gang: de vervuilende industrie moet plaatsmaken voor duurzame productiemethoden. Werknemers in deze industrie zullen hierdoor nieuwe banen moeten vinden. Dat zal niet iedereen lukken. Heb oog voor die groep, waarschuwt politiek econoom Lars van Doorn.

The balance is positive: the faculty is growing faster than expected, reserves have been built up, and new programmes are attracting many students. At the same time, rapid growth requires realistic budgets, targeted staff expansion and agility in changing circumstances.

Even with state-of-the-art technology, it is almost impossible to see: a cosmic neutrino. Yet scientists have managed to image this particle with a deep-sea telescope. And that could help to better understand our universe. Leiden particle physicists collaborated on this ambitious project, published…

Leiden University is 444 years old this year! And we have big plans to celebrate this special birthday in 2019 - together with the people of Leiden and The Hague.

Trinidad and Tobago, a twin-island nation, has over 300 identified archaeological sites that testify to its diverse history, covering pre-colonial, colonial, and post-colonial periods. Many of these sites were discovered by archaeologists in the 20th century and have not been regularly visited and assessed.…

What does it mean to be the ‘perfect student’? This is the focus of the Perspectify exhibition, which was opened on 16 November by President of the Executive Board Annetje Ottow.

Nano-plastics cause malformations. Meiru Wang, researcher at the Institute of Biology Leiden, looked at the extreme effects polystyrene nano-particles could have, using chicken embryos as a model. Her results were quite alarming. Especially as nano-particles are everywhere. In the air, floating through…

Katarzyna Cwiertka, Leiden Professor of Modern Japan Studies, was already the recipient of a VENI and a VIDI grant. Now she has also been granted a VICI, worth 1.5 million euro, for her research project Garbage Matters: A Comparative History of Waste in East Asia. ‘I want to do something that hasn’t…

Students who have a chronic lack of sleep have lower grades and find it harder to concentrate. Around a third of students do not feel well rested enough to be able to study properly.

Alumna Janine Ubink is a Professor of Law, Governance and Development at Leiden University. She researches legal pluralism in various areas of Africa and calls herself a ‘tropical lawyer’. She says, ‘It doesn't really exist, but I am one.’

Rainbow flags, funky sounds and drag queen Petty Libel: the very first Canal Pride Leiden has become reality. Leiden University joined the parade with a packed and buzzing boat. ‘The Leideners were really supportive and gave us a great response.’

His Leiden honorary doctorate, the future of scientists, and diversity in science. Robbert Dijkgraaf tells about it in one of the classical rooms of the Academy Building. ‘It's very special, my honorary doctorate. A rare homage.’

The First Americans exhibition in the National Museum of Ethnology showcases the resilience and creativity of native Americans. Striking artworks, fashion and prints show that the past is never far away. Artist Jacob Meders was inspired by 16th-century prints from the Leiden University Library. The…

From memorials to the armed forces to memory stones for individual victims. It was only later that the Holocaust took a central role in Western remembrance culture, Cleveringa Professor Frank van Vree notes. ‘Nationalists and human rights activists both invoke the experience of the Holocaust.’

Leiden University is celebrating its 450th anniversary in 2025 with a feast for the eyes, ears and spirit. The anniversary year opens with an extra special Dies Natalis on 7 February. Highlights includes an alumni festival, three exhibitions and a canal concert.

An international team of researchers, involving members from the ERC Synergy project NEXUS 1492 based at the Leiden University, the Universities of Oklahoma, Copenhagen and York reveal challenges when studying ancient microbiomes in a recent issue of Scientific Reports.

A dissertation covered in hot pink faux fur, antique prints of PhD ceremonies, a pot encrusted with sealing wax: the Hora est! anniversary exhibition at Oude UB takes you to the ritual yet idiosyncratic world of PhD ceremonies.

Reuse everything and stop producing waste. By 2050, the Netherlands should have a circular economy. However, the new Integral Circular Economy Report by the Netherlands Environmental Assessment Agency (PBL) shows that there is still a long way to go. For the report, the Institute of Environmental Sciences…

Cognitive decline and anxiety in Parkinson’s disease are often only recognised at a late stage, in spite of their great impact. Research by Marit Ruitenberg focuses on new tests and methods to show up these symptoms earlier and make them more specific.

A team of students from Leiden and Groningen took the second prize at the European final of the BISC-E sustainability competition. Last June, the team had already won the Dutch finals. The students came up with ‘Suckerspheres’, a natural alternative to the plastic micro-particles that are still frequently…

‘Children’s rights are somewhat of a poor relation’, says Professor of Law and Health Mirjam Sombroek-van Doorm. In her inaugural lecture, she will emphasise how more attention needs to be paid to children’s rights in current thinking on law and health.

To facilitate the search for new antibiotics. That is the aim of Gilles van Wezel, professor molecular biotechnology at the Institute of Biology Leiden (IBL). He wants to do this by looking at similarities in the DNA of antibiotic-producing bacteria. Van Wezel has been awarded an ERC Advanced grant…

As part of the LIAISON Research Project, Eduard Fosch-Villaronga and Hadassah Drukarch organised a workshop at the European Robotics Forum (ERF 2021) to engage the broader community in the projects’ goal of liaising robot development and policymaking.

President Putin will be officially opening the Netherlands–Russia Year on 8 April in Amsterdam. Leiden Slavist Sjeng Scheijen was responsible for putting together the cultural programme. How much freedom did he have in doing so? ‘The Dutch photography project on the demolition of Sochi districts was…

Ferdinand Harmsen (49) is an ICT and Education Coordinator. He helps study programmes that want to use ICT to improve their education. He has been working with IT all his life, although it wasn't his initial calling: 'It turned out to be a very nice instrument to do what really fascinates me'.

A pandemic of lianas is sweeping through tropical forests, reducing their ability to store carbon and limiting their role in mitigating climate change. Two recent studies from Leiden University highlight the issue. ‘We now understand why lianas are visible in satellite imagery.’