Project TARGET is a research project aimed at the relation between the illegal arms trade and firearm violence. In a study conducted in seven countries, the researchers took a look at the differences and similarities. Katharina Krüsselmann and Marieke Liem took a closer look at the situation in the…

Dutch influencers like Romy Boomsma and Nina Pierson have a huge following on Instagram and are increasingly sharing book tips there. Researcher Aafje de Roest wants to find out more about the reading culture they are promoting and its effect on the reading habits of their mostly young female follow…

PhD defence

PhD defence

Governments are increasingly cracking down on tech companies like X, Telegram and Clearview that flout the law, with a fine, ban or criminal prosecution. In practice, however, this has little effect. A tougher stance is needed, argues Bart Custers, Professor of Law and Data Science at eLaw – Center…

In this series the Vice-Dean and portfolio holder of education in the board of the Faculty of Archaeology will reflect on the state of education. Posts can range from shedding light on current national shifts in the university landscape to arguments as to why it’s important to be timely with designing…

From the effects of hormone fluctuations in women via the interior structure of giant planets to the prehistory of the languages: six Leiden researchers have been awarded a Consolidator Grant by the European Research Council.

Psychologist Myrthe Jansen conducted research into the performance monitoring that constantly takes place in our heads. People with obsessive-compulsive symptoms are more afraid to make a mistake that harms others, than when they make a mistake that only harms themselves. Jansen received her PhD on…

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.

Following the retirement of Roswitha Manning, a vacancy arose at Faculty of Archaeology for the role of Research Policy Advisor. We found one in the person of Jimmy Mans, a well known face for longer-serving Faculty staff. In this interview we reconnect with Jimmy, who calls himself ‘a homegrown Leiden…

The Master of Medicine at Leiden University Medical Center (LUMC) has won the national biennial award for best educational innovation in medical teaching. It was awarded the prize by the Netherlands Association for Medical Education (NVMO) for its MasterMinds Challenge (MMC).

Political scientist Claire Vergerio (Leiden University) has made it to the final stage of the selection process for Central European University’s annual European Award for Excellence in Teaching in the Social Sciences and Humanities. As the 2019 Casimir Prize winner, Vergerio was nominated by the Faculty…

Always taking the same route to work, going for that one dish in restaurants and going on the same holiday each summer: this may ring a bell for those who don’t like uncertainty. Researchers are now discovering that this aversion affects how we understand the world.

Psychedelic drugs like magic mushrooms and LSD are embraced by some and seen as lethal by others. Cognitive psychologist Michiel van Elk delved into the world of psychedelic drugs and wrote a surprisingly sober book about them. ‘Without first-hand experience my story wouldn’t be complete.’

Leiden students often prefer complicated theory and a difficult test to experiments. Yet associate professor Paul Logman believes students learn a lot from practical teaching. He challenges his students to come up with their research questions themselves. The Leiden Institute of Physics (LION) is at…

From painful joints to intense fatigue: a third of rheumatism patients suffer serious effects from this chronic condition and rely long-term on medication. Leiden psychologists are to receive a subsidy from the Netherlands Arthritis Foundation to investigate whether placebo techniques can help patients…

Not passed your Dutch exam? Then there’s no HAVO (Higher General Secondary) or VWO (pre-university) diploma for you, says the Inspectorate of Education's Inspector General. This comment fuels a discussion on an exam that is already under fire. The final exam for Dutch is said to be uninspiring, too…

How to take ownership of your career? To find out, students from ‘Design Your Career as a Climate Change Maker’ visited a farmer who has done just that. They learned from him that it’s never too late to start working on something you believe in.

The Advanced Nano-electrochemistry Institute Of the Netherlands (ANION) consortium will receive 23.6m euros in Gravitation funding for research on important electrochemical processes for energy transition. An additional four consortia with members from Leiden have also been awarded funding.

People who are often stressed can feel calmer by making certain adjustments to their breathing. Possibly this also positively affects concentration and attention. Psychologist Roderik Gerritsen studied the effects of breathing differently for the first time, and explains them. Gerritsen receives his…

Even though it is generally known that Autism and ADHD are more common in men, and depression or anxiety disorders are more common among women, it is still not well understood if, how and when sex differences impact neurodiversity and mental health. To better understand this complex issue, 25 international…

The Netherlands in September 2021 could be characterised as a low-trust society. Trust in the government has declined significantly in the past one-and-a-half years: from almost 70 percent in April 2020 to less than 30 percent in September 2021. There has also been a slight decrease in trust between…

The state, and specifically the idea of nationality, is almost all-determining in social life in the Netherlands. It determines how people identify, how we interact with each other, and what (in)equality in society looks like. However, ultimately, the idea that we can divide people into different nationalities…

How can we improve the treatment of thrombosis, reduce the disease’s impact and spend less money while we’re at it? This is what Erik Klok, Professor of Internal Medicine and an internist, is researching. He will discuss it in depth in his inaugural lecture on 10 March.

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.

Aesthetic attraction plays a big role in orangutans’ mate choice, behavioural biologist and PhD candidate Tom Roth has observed. But to discover just how big that role is, more research is needed into the emotions of the great apes.

Seven researchers from Leiden University have made a successful application to the Open Competition SSH (Social Sciences and Humanities) XS, a Dutch Research Council pilot programme.

On Friday 9 September, Jeanin van Hooft, Professor of Gastrointestinal and Liver Diseases, will deliver her inaugural lecture titled: 'The scope of connection'. She emphasises the value of collaboration and connection for scientific research. In addition, she pleads for more diversity; according to…

Since 2023, Andrea Evers has been the lead for “Health and well-being in a healthy society”, a key theme at FSW and one of the profile areas of the University as a whole. Three new FSW health research themes will shortly be announced at the Faculty’s Health Research Event, where the FSW’s researchers…

The doctor suggests opting for a treatment that is better for the environment. How do patients react to this? Doctors and psychologists together discovered that this has little impact on patient confidence in the doctor.

Are all murderers calculating psychopaths with an obscene predilection for bloody chainsaws? Yes, if Hollywood is to be believed, but in the real world they are generally everyday people with problematic backgrounds. Professor of Violence and Interventions Marieke Liem therefore calls for the demythologisation…

Personal development, Working effectively

Of je nu appt, online nieuws leest, of door Instagram scrolt, jouw gedrag wordt gemonitord. Sterker nog: wát jij ziet, wordt door anderen bepaald. Promovendus Aleksandre Zardiashvili onderzocht de impact van online advertenties en de macht van de bedrijven erachter.

Americans are electing a new president in November but they also have other choices to make in the polling booth. Alumnus Sanne Rijkhoff works at a Texas university and is trying to help make students more aware of the elections.

White girls receive significantly more positive comments from their teachers in their primary school reports than white boys and children from migrant backgrounds. PhD candidate Antoinette Kroes researched subtle biases in different contexts and saw how harmful these can be.

‘Een goed gesprek begint met iemand écht zien.’ (A good conversation starts with truly seeing someone). That text is written on a plaque that was screwed onto a IK Z1E J3 (I see you) bench on the Wijnhaven Rooftop Garden on Monday morning. The bench acts as a symbol to create room for discussions about…

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.

Connecting scientific fields, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. What did the university achieve in 2024? A small sample.

Social media gives people a voice but also fuels online hate, especially against marginalised groups. PhD candidate Eva Nave: ‘While end-to-end encryption protects activists, it also enables criminal activity, creating a more accessible version of the Darkweb.’

Study information, Workshop

The annual homicide rate has decreased considerably since the 1990s. In their hunt for an explanation, researchers Pauline Aarten and Marieke Liem made a surprising discovery: if you divide homicides into categories, you find significant differences in the homicide rate. Publication in the European…

Western countries still tend to view Africa as the periphery, says anthropologist Mayke Kaag. In her inaugural lecture, she calls for a shift in perspective: to see Africa as a mirror of global developments.

The sixth specialisation of the Master Crisis and Security Management (CSM) will start in September 2023: Governance of Violence. Coordinator of this track is Professor Marieke Liem. She talks about the how and why of this new track and the importance of research in and knowledge of the nature and scope…

Eduard Fosch-Villaronga from Leiden University has been awarded a Starting Grant by the European Research Council (ERC). This grant of 1.5m euros enables talented early-career scholars to start their own pioneer project, lead a research team, and implement their best ideas at the frontiers of their…

On 17 October, a representative from the ERC Safe & Sound project attended the first edition of WE ROBOT Europe in Berlin. At the conference, speakers and participants from the academic world, policy bodies and industry shared and discussed their thoughts on robotics regulation in the EU and the US.…

PhD defence

Lecture, Leiden University Nationalism Network

The SENSYN project has found a solution to few public datasets for criminological research: synthetic datasets. Marieke Liem talks about this unique innovation

The Dutch asylum application centre in Ter Apel is overburdened, an issue that is currently a prominent feature in the Dutch media. In podcast De Verbranders, PhD students Neske Baerwaldt and Wiebe Ruijtenberg engage in dialogue, and use different angles to examine themes related to migration, borders…