There is much wrong with the taxonomy of the plant genus Phyllanthus. Roderick Bouman of the Hortus botanicus Leiden has developed a new phylogeny for Phyllanthus and exposes the evolution of the plant genus. Publication in TAXON.

The government wanted to show some muscle by making it compulsory to wear face masks in public indoor spaces as of 22.00 hours on 14 October. But it looks as though this will be 1 November after all. No need for that, tweeted Leiden professor of constitutional law Wim Voermans on 14 October, you can…

In the academic world interest in interdisciplinary research is growing. It can help to solve the big challenges of our times. But starting a research project that covers several disciplines is not always easy. This was one of the conclusions at a Young Academy Leiden (YAL) symposium. What are the c…

The Seeger Center for Hellenic Studies at Princeton University annually offers a limited number of Visiting Research Fellowships for scholars in the humanities or the social sciences worldwide, who wish to spend time in residence at Princeton pursuing independent research projects, free of teaching…

Sumerian is a dead language that is not related to any other language. Howeverr, Bram Jagersma managed to compile a grammar of the language, based on inscriptions and clay tablets. Traces of the Sumerian number system can still be seen in our sixty-minute hour. Jagersma received his PhD on 4 Novembe…

Now the Dutch national Law Sector Plan has been positively evaluated, the temporary funding provided to Leiden Law School for the research projects ‘Institutions for Conflict Resolution’ and ‘Empirical Legal Studies’ will become structural.

During the final event of the PRE-Class Rechtsgeleerdheid, secondary school pupils organised a mock trial on the impact of artificial intelligence (AI) on society. Together with the audience, they explored the possibilities and pitfalls of AI. ‘They all did a wonderful job.’

Professor of Catalysis and Surface Chemistry Marc Koper has been appointed as member of the Koninklijke Nederlandse Akademie van Wetenschappen (KNAW). 'Very honourable, I see this as a confirmation of my work,’ says Koper.

On Monday November 7th the research outcome ‘Involuntary (after) care for vulnerable young adults? A study to the legal possibilities for the provision of (involuntary) care to vulnerable young adults after child protection’ was presented to the members of the Parliament.

How do practice and theory reinforce one another in neuroscience? Professor Birte Forstmann’s inaugural lecture on 2 October will be about building interdisciplinary bridges between cognitive neuroscience and cognitive models. Her approach may lead to brain research with fewer side-effects for patie…

The first generation of Governance of Sustainability master's students has graduated. They received their diplomas during a festive ceremony at Wijnhaven on 17 September. And they will not be the last: The master's programme is only growing in popularity. ‘We are very proud of our first graduates, especially…

Why is the sky blue? Why are most people right-handed? Why are spiderwebs so strong? These are just some of the questions arriving at Postbus 71, a Leiden2022 project where everyone can ask their questions. Friso de Hartog, the driving force behind Postbus 71, is busy answering as many questions as…

Master's student Thalia Luden receives an NWO grant for her research proposal about a gene that brings flowering plants back into a growth phase. Companies in floriculture and vegetable seed breeding also contribute to the research.

Maarten Feteris, the former president of the Court of Appeal and an alumnus of Leiden University, composed the piece ‘Intermezzo’ to mark the transfer of the rectorate during the Dies Natalis on 8 February 2021.

From 16 to 18 August, 30 participants from 18 different countries gathered online to participate in the Online Summer Programme: Preventing, Detecting and Responding to Violent Extremism, organised by Leiden University’s Centre for Professional Learning (CPL) together with the International Centre for…

An NWO Veni application by Linda Geven, Assistant Professor at the Institute of Criminal Law and Criminology, has been honoured. She will spend the next three years conducting research into false confessions in police interrogations.

Leiden theoretical physicists have proven that not only the genetic information in DNA determines who we are, but also DNA’s mechanics. Helmut Schiessel and his group simulated many DNA sequences and found a correlation between mechanical cues and the way DNA is folded. Publication in PLoS One.

This Thursday saw the launch of PLNT The Hague, an entrepreneurial hub where Campus The Hague students can learn all about entrepreneurship. They will have the opportunity to develop entrepreneurial skills, build a network and begin an innovative startup.

Many poor people in Indonesia mainly rely on their family members, neighbours and the local community as a social safety net. One of the forms of aid from the community is called ‘jimpitan’ in Central Java. PhD candidate Ayu Swaningrum researched how this social security system works.

We are pleased to announce a groundbreaking research study delving into crucial aspects of safety and responsibility in the domain of personal care robots, explicitly focusing on robotic lower-limb exoskeletons.

Jos F. Brosschot has been appointed as a professor by special appointment on the chair ‘psychophysiological mechanisms of stress in daily life’. This chair has been created by the Foundation for Research into Psychosocial Stress.

No less than 33 project received a Leiden Kiem grant in 2023. How did they fare? Olga Bogolyubova shares experiences from her project ‘Interdisciplinary Approaches to the Study of Safety and Danger in the Digital World’.

Welcome to Leiden and The Hague! So there you are, an international BA or MA student, in a city where you don’t know the way and don’t speak the language. What now? Don’t panic: with our international introduction programmes, you’ll soon have learnt all the ins and outs. And another important thing:…

With the long lockdown, it’s been a hard year for Leiden businesses. How can the local economy bounce back and how can the University help? Two talk shows discussing this were recently recorded in the Academy Building. They will be aired on Unity TV on 28 September and 12 October.

Nadine Raaphorst, university lecturer at the Institute of Public Administration, has been awarded a Veni-subisidy from science financier NWO. This grant of up to 250,000 euros will enable her to set up her own research in the coming years. Raaphorst's research is about consistent decision-making by…

Plants are able to resist a pathogen’s attack by a dual innate immune system. The relationship between the two pathways was not clear, but it turns out that they mutually potentiate each other, as assistant professor Pingtao Ding (Institute of Biology Leiden) and colleagues (The Sainsbury Laboratory,…

Daniela Kraft's group has succeeded in creating a network of microparticles that is both strong and completely flexible. This may sound simple, yet they are the first in the world to succeed in doing so. A real breakthrough in soft matter physics.

Scientists of the faculty of Governance and Global Affairs research completely different subject, among which terrorism, cybercrime and migration. In the upcoming weeks we will give the floor to several of our very best researchers. In this episode: development researcher David Ehrhardt.

Tom Breukel analysed some 250 stone axes from the Caribbean and reconstructed their biographies. This increases our knowledge of production and trade in the period around the arrival of Columbus. PhD defence on 18 April.

Microscopic swimmers such as bacteria do not always swim alone. There are advantages to exchanging information and cooperating. Stefania Ketzetzi and colleagues now show in Nature Communications that human-made microswimmers, too, can cooperate.

Synchronised heart rates and skin conductance tell us that people are attracted to each other. This explains why we feel a romantic ‘click’ with some people and not with others. This is the result of research by psychologist Eliska Prochazkova from the Leiden Institute for Brain and Recognition, which…

Meniere’s disease, a disorder of the inner ear, was first described back in 1861, but there’s still no good test or treatment for it. Tjasse Bruintjes, Professor by Special Appointment of Ear, Nose and Throat Surgery, wants more attention for this mysterious disease. And he wants to tell his fellow…

Some sectors have been hard hit by the pandemic, whereas others have grown. Yet there was no influx of workers from shrinking to growing sectors. This is the conclusion of research by economists from Leiden University. They published their results in the journal Economisch Statistische Berichten.

Research is at the heart of a solid security policy. That’s why researchers from Leiden are analysing the motives of radicalised people and the biggest risks surrounding digital activity. Read more about their work in the research dossier ‘Security and Threat’.

Leiden University is the highest scoring comprehensive university in the biannual valorisation ranking produced by Elsevier and Science Works. They calculate which Dutch universities best exploit their scientific capital, in economic terms and in terms of societal impact. .

In 2018 the Laboratory Efficiency Assessment Framework (LEAF) was launched in the UK. The aim of this programme was to help laboratories work more sustainably and efficiently. The initiative got a Dutch spin-off in 2021. Since then, a couple of the laboratories at the Leiden Faculty of Science have…

Mariska Jung, Jasmijn Rana and Looi van Kessel receive a €10,000 KIEM grant for

Prof. C. Bakels is an archaeobotanist who devoted most of her career researching farming, its (pre)history and influence on the landscape. Born in 1942, she got her first appointment as a lecturer at Leiden University in 1968. On Monday 16 April, we celebrated her 50th work anniversary.

Soil salinity is affecting large areas in the world and millions of farmers are faced with decreasing yields and many are even forced to migrate . Dutch scientists (Prof Dr. Gerrit van Straten (Wageningen University), Prof. Dr. Peter van Bodegom (Leiden University), Prof. Dr. Jelte Rozema (VU University…

A clean street, public transportation, or taxes: these are all public goods that keep society running. But how do people decide which public good to invest in, if at all? These are the kind of questions PhD student Laura Hoenig explores.

In these uncertain times when we all have to adapt to new circumstances, LUC is working hard to develop and implement changes in procedures and guidelines for staff and students. We would like to explain how this is organized, because staff and students are not always aware of the many steps that are…

Two researchers from the Institute of Political Science were recently awarded prizes. Claire Vergerio received the Francesco Guicciardini Prize for her book on the historical origins of the primacy of the state in international law ('best book in the historical international relations category'). In…

A new government, conflicts around the world and obviously a lot of science: these are the five stories about Leiden University that you enjoyed reading in 2024.

Jelle Wouters (RTC Bhutan), Erik de Maaker (CADS Leiden) and Radhika Gupta (CADS Leiden) have been awarded a €260.000 grant by the Gerda Henkel Foundation for the research project ‘Perpetuating Highland Heritages of Bhutan’. This 4-year research project focuses on vernacular and unacknowledged heritages…

Children with hearing loss often fail to pick up on nuances in other people’s emotional responses. As a result, they do not always understand what is going on. Yung-Ting Tsou, a PhD student at Leiden University, found that having more knowledge of emotions and social conventions can help them in their…

Ultimate beneficial owners (UBOs) of companies should have registered their information in the Dutch UBO register before 27 March 2022. The Dutch Minister of Finance saw no reason to postpone the deadline for registration, according to answers to parliamentary questions. In an article on the legal platform…

Photographs of sacred rituals and ceremonies in Asia by Bangkok-based photographer and author Hans Kemp can be seen in the front hall of the Leiden Town Hall from 27 June to 19 August 2019. Here a sneak preview.

The Jus Post Bellum project is proud to announce that their foundational volume, Jus Post Bellum: Mapping the Normative Foundations, is now freely available as an Open Access publication. This was only possible due to generous funding from the Netherlands Organisation for Scientific Research (NWO),…

In the controlled, censored, and taboo-ridden media landscape of communist China, one would not expect seeing a television show featuring real people having actual conflicts. Yet reality programmes about conflict mediation are mushrooming in the People’s Republic. Both the public and the authorities…

How do you count the nanoplastics in your body? Leiden researchers published a method in Nature Protocols today that should make this easier. Important for both environmental and medicine research.