A new challenge for Felix Ameka. The senior lecturer at the Centre for Linguistics has been appointed professor by special appointment of Ethnolinguistic Vitality and Diversity in the World. ‘I am looking forward to promoting ethnolinguistic diversity and vitality.’

The number of students suffering from stress and anxiety has decreased slightly compared with 2021. But around half still suffer from mental health problems. This is according to the National Mental Health and Substance Use Monitor.

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.

The response of international organizations to the problems of cross-border death and gift taxation needs to be revisited, according to PhD candidate Vassilis Dafnomilis. PhD defence on 3 June 2021.

Whales in the vicinity of the city of Auckland, New Zealand consume large amounts of microplastics every day. A team of international researchers reached this conclusion after carefully examining whale poop. The team included Thijs Bosker, Associate Professor in Environmental Sciences at Leiden University…

Cyber-attacks, privacy-related problems or failures in functioning: many technologies that are used every day have security issues that are solved when the software is already in use. A new interdisciplinary project, in which Olga Gadyatskaya, Harry Wijshoff, Alex Uta and Kristian Rietveld from the…

On November 30, 2023, the research group Institutions for Conflict Resolution (COI) organized a stakeholder meeting on governmental problem-solving and its implications for legitimacy. COI is a joint collaboration between the Universities of Leiden, Utrecht, and Nijmegen as part of the Dutch Sector…

Not all problems are easy to solve, but with enough bright minds, you make progress step by step. ‘The kind of problems I am interested in have been occupying mathematicians for over two millennia,’ says theoretical mathematician David Lilienfeldt. In September, he started at the Mathematical Institute…

What motivates citizens to participate in a citizen science project on plastic pollution? And does that motivation change over time? Liselotte Rambonnet tried to answer these and other questions with her research on the Clean Rivers (‘Schone Rivieren’) project. Rambonnet is a PhD student at the Institute…

Kohei Suzuki, Assistant Professor at Institute of Public Administration, was interviewed by Infobae about loneliness in Japan and the role of government and society.

People already diagnosed with a mental disorder before the COVID-19 pandemic did not show a disproportionate increase in symptoms afterwards. This is one result from the first systematic review of longitudinal studies following their study population from before to during the first eighteen months of…

On Human Rights Day 2024, the International Court of Justice is charged by the General Assembly with delivering an Advisory Opinion asking, in effect, what does the climate crisis imply for the rights of vulnerable states and people? Researcher Jens Iverson shares his thoughts on this event.

Vedran Dunjko appointed to full professor of quantum computing at Leiden University, the Netherlands.

As of 1 October, David Holmes has been appointed full professor of Pure Mathematics at the Mathematical Institute (MI). His work lies at the intersection of algebra, geometry and number theory.

Wondering what anthropology students can contribute in daily practice? Both during their bachelor's and master's studies, anthropology students conduct research at the request of social organisations in Leiden via Leren met de Stad. Last week, they presented their experiences and results on the various…

Ammonia has been feeding the world for decades as a fertiliser and is now rapidly emerging as a carbon free fuel for shipping and industry. But if we focus only on CO₂ emissions, we risk creating new nitrogen problems, warns nitrogen expert Jan Willem Erisman in the journal One Earth.

Global science research serves the needs of the Global North, and is driven by the values and interests of a small number of companies, governments and funding bodies, finds a major new international study published today. As such, the authors find, science, technology and innovation research is not…

The financial sector, supply chains and ecology. Not necessarily topics you might associate with physics, yet it’s exactly what new professor Diego Garlaschelli is dealing with. The common thread? Complex networks.

In a packed lecture hall at Wijnhaven, Nobel Prize winner Paul Krugman succinctly summed up the essence of his argument on Wednesday 17 September: ‘Running a good society is hard’. His lecture held up a mirror to economists and policymakers.

By chance, computer scientist Hans-Dieter Hiep (Leiden Institute of Advanced Computer Science and Centrum Wiskunde & Informatica) discovered a ‘gaping hole’ in a widely used method for evaluating software security. Hiep patched the hole, causing quite a stir in his field. 'It’s not pleasant when a PhD…

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.

On 8 December, in honour of Human Rights Week, Roeland Böcker gave a public lecture about his experiences as ambassador to the Council of Europe. Between 2017 and 2021, Roeland Böcker was the representative of the Netherlands in the Council of Europe.

The coronavirus crisis had a major impact on the judicial system in the Netherlands: courts closed at the start of the pandemic and instead held virtual hearings. Research now shows that things did not always go smoothly.

Many deepfake porn videos are going around appearing to feature popular Dutch presenters, actors and politicians. These videos are banned, and yet they’re still being circulated. Dirk Visser, Professor of Intellectual Property Law, explains why: ‘There are enough rules telling us that deepfakes aren’t…

French newspaper Libération has interviewed university lecturer Andrew Gawthorpe about the war in Iran.

When Dutch citizens request information under the Open Government Act (Woo), third parties can ask the public authority to withhold certain information. Leiden research reveals that the position of these third parties is unclear and accessing information is a difficult process.

PhD candidate Agnes van Steen researched the history of the Leiden women’s rights movement (1860-1990) and found that the university produced many feminists.

How do we know what a quantum computer is good for when it hasn't been built yet? That's what PhD candidate Casper Gyurik investigated by combining two terms you often hear: quantum computing and machine learning.

ISGA researchers have received €1 million for research aimed at enhancing the Netherlands' digital resilience. The funding comes primarily from NWO, but private parties are also contributing financially. In total, €10.5 million is being allocated to launch six projects.

The housing crisis is affecting a substantial group of Dutch citizens and is one of the main election themes this year. How did things get this far and what should the new cabinet do in the coming four years to address the problems? Three Leiden researchers give their answer.

Organisation

Did you know that research and education in the field of digital innovation are key pillars of the Faculty of Governance and Global Affairs? Over the next seven days, we are organising Cyberweek on our social media channels to showcase what we have to offer.

With a full auditorium at the university's Wijnhaven campus, an extensive programme, inspiring speakers and visitors from a wide range of disciplines, all the ingredients were in place for a successful second edition of the Nacht van de Digitale Veiligheid of Digital Security on 26 May 2026.

PhD defence

Sleep disorders have a significant influence on our physical and emotional health. Sleep should therefore receive more attention within lifestyle medicine, says Professor Gert Jan Lammers. He will give his inaugural lecture on Friday 20 May entitled: ‘Getting to sleep’.

During Cyberweek, from 17-24 October, the Faculty of Governance and Global Affairs (FGGA) highlighted its research and teaching on cybersecurity, digital developments, and their impact on society.

Personal development

The tuktuk of the European City Of Science Leiden 2022 sent science on its way to the neighbourhood. In the town center of Oegstgeest, the Empathy Team, consisting of Liesbeth van Vliet, Hinke Hoffstadt, Yvette van der Linden and Jenny van der Steen, took interested visitors on a journey into the experience…

PhD defence

Course

Maak kennis met digitale veiligheid in de podcast over de BSc Cybersecurity & Cybercrime. Experts bespreken actuele thema’s zoals ransomware en online fraude.

A restless night aggravates symptoms in those experiencing suicidal thoughts, as psychologists Liia Kivelä and Niki Antypa have found in their study on the short-term risk factors of suicide. They argue that targeting sleep could thus be essential for suicide prevention.

Jessica den Oudsten won this year’s Uitgeverij Verloren/Johan de Witt thesis award for history with her master’s thesis, entitled "The descendants of Norwegian and Danish Immigrants". The prize was awarded for the eighth time in collaboration with Elsevier Weekblad. The incentive award went to Amber…

Do you often find yourself exhausted in the lecture hall or at your workplace? Not great for your mental well-being, as Laura Pape knows. She is investigating how an online self-help program can assist in addressing sleep issues and preventing mental health problems. Join her on this elevator pitch…