The United States used threats to influence the nuclear programs of Iran, Libya and South Africa. How effective was this diplomatic coercion?

Imagine: you’re seeking asylum in the Netherlands due to your sexual orientation or gender identity. The immigration authorities might question you about your sexuality. PhD candidate Elias Tissandier-Nasom, who is researching asylum applications submitted by LGBTQI+ children, explains that the process…

On Thursday, 17 October, the Crisis and Security Management (CSM) master’s programme hosted an insightful alumni panel with five graduates from different cohorts. The panel offered current students the chance to hear from professionals who have carved their own paths in crisis and security managemen…

Being rejected always hurts, but so does having to reject someone. Social psychologists have discovered that at interviews to select suitable housemates students dehumanise candidates to make it easier to reject them. That may sound harsh but, according to the researchers, it is also logical.

PhD candidate Layla van Wieringen examined how extremist beliefs are passed on within households. In her dissertation ‘Rotten Trees, Bad Apples? Understanding the Intergenerational Transmission of Extremism’, she reveals a reality that media and politics rarely address.

For the third year in a row, the bonfires in the Duindorp and Scheveningen neighbourhoods in The Hague during New Year's Eve have been cancelled. According to Professor Henk te Velde, the fight for the bonfires represents something bigger: angry citizens.

Conference

Conference, 2-day Workshop

Lecture, PCNI Research Seminar

Conference

Debate

Lecture, COGLOSS Seminar

Workshop

Lecture

Roderick Bouman is collection manager of the Leiden Hortus botanicus. He keeps track of which plants there are in the garden, where they come from and makes sure visitors can find the right information about them. ‘We are like a regular museum,’ says Bouman. ‘Except that our objects are alive. That…

Doing a PhD on the side? External PhD candidates, like Joost Van der Helm, just get on and ‘do it’. Besides his hectic job as a justice at the Court of Appeal in The Hague, Van der Helm managed to still find time to write a PhD dissertation.

Today, ESA’s Gaia mission releases its new treasure trove of data about our home galaxy. Astronomers, led by the Leiden astronomer Anthony Brown, describe strange ‘starquakes’, stellar DNA, asymmetric motions and other fascinating insights in this most detailed Milky Way survey to date.

Professor Caroline Vout, Cambridge University, was awarded the Leiden University Byvanck Chair in 2020. In a pre-Covid-19 world, the Byvanck Chair would stay in Leiden for seminars, lectures, and research activities. Instead, the pandemic disrupted this schedule. Last month, Vout taught her masterclass…

Getting to know all his colleagues as fast as possible, and learning about the faculty’s strengths: these will be Jasper Knoester’s first challenges. Jasper became the new Dean of the Faculty of Science on 1 January, and he is optimistic about the corona restrictions. ‘Obviously, this isn’t the start…

Organisation

White clouds of ice-cold gas flowing across the floor. Magical, but be careful not to freeze your fingers off. We are of course talking about liquid nitrogen and helium. You may have seen the spectacular Freezing Physics science show by the student organisation Rino. But did you know that this commodity…

How is the EU transforming from a soft power to a geopolitical actor, and what does this mean for the EU’s partners and global security? On Friday 13 December, a roundtable discussion offers students insights into these evolving dynamics, bridging theory and practice.

A special type of mirror to reflect X-rays has more possible applications than space research. Targeted radiation therapy for cancer, for example. Next to his full-time job, physicist David Girou mapped out the possibilities. He will receive his PhD on 14 June.

Come to the Night of Discoveries art and science festival on 16 September. Various researchers from the university are speaking at the festival.

Students and staff from Leiden University are protesting in The Hague on 25 November against the billions in cuts to higher education. ‘The cuts are a terrible idea and we want to show why’, says Claire Weeda from WOinActie. ‘Research and teaching are essential to society.’

Last semester, bachelor’s students in Religious Studies spent a lot of time in community centres in Leiden. The reason: field research into loneliness in the city.

In our column of 7 April, we informed you about the new direction we are taking, as the Faculty Board, to meet the financial challenges faced by the faculty, and the action lines that are now our focus. One of these action lines is a package of control measures for the Faculty Office. In this column,…

On 30 November 2021 the book 'Audiovisual and Digital Ethnography: A Practical and Theoretical Guide' was published by Routledge. The book resulted from eight anthropologists of the Institute of Cultural Anthropology and Development Sociology joining forces: Cristina Grasseni, Bart Barendregt, Erik…

Deaf and hard-of-hearing children can find it challenging to blend in during recess on the playground. Yet, in recent studies, two PhD researchers studying children in China and Portugal showed that the emotional development of these children is largely on par with their hearing classmates.

The prestigious journal Science Translational Medicine has published a study by researchers from the Institute of Biology Leiden (IBL) on a potent new antibiotic that can overcome resistance. ‘The idea was to tweak the original antibiotic and create a next-generation drug’, says Nathaniel Martin, professor…

Om de weg te vinden letten sommige mensen op de omgeving, anderen onthouden waar ze links of rechts af moeten slaan. Mensen met Niet Aangeboren Hersenletsel (NAH) rapporteren navigatieproblemen. Om opnieuw te leren navigeren heeft neurowetenschapper Milan van der Kuil als revalidatietherapie een serious…

Forest degradation has limited the Orang Rimba's access to forest resources. As a result, they've had to make significant cultural modifications and adaptations. Ekoningtyas Margu Wardani explains in her PhD dissertation these transformation processes among Contemporary Indonesian Hunter-Gatherers through…

The nominees for the IRO Thesis Prize 2025 and the Prof. Dr. J.Th.J. van den Berg-prijs 2025. Who authored the best thesis in Leiden University’s bachelor’s programme in Political Science?

Fear of repayment demands is causing people to forgo benefits and financial support, even when they are eligible. This was one of the finding of Olaf Simonse in his PhD research on financial stress and the non-use of social services. His proposal: 'Let the government take the initiative.'

The "Proteha mi" project, an initiative by the Bonaire Archaeological Institute (BONAI), has been awarded significant grants under the Faro Initiative of the Cultural Heritage Agency of the Netherlands and Mondriaanfonds. Developed in collaboration with archaeologists Daudi Cijntje (Archol BV) and Maaike…

Like many moot court competitions around the world, the Leiden-Sarin International Air Law Moot Court Competition was conducted fully online this year. The International Air Law Moot Court is an unparalleled forum for bringing together students and aviation professionals who share a passion for air…

How do people vote? How rational are voting choices? How much do external factor weigh in? In this article social scientis provide some background.

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

How is academic freedom restricted by the academic community itself? This was the central question at a debate at Leiden University on 14 November.

What looked like an ordinary coot’s nest turned out to be a five-star location with a remarkable backstory. Beneath a jetty on the Rokin in Amsterdam, biologist Auke-Florian Hiemstra discovered a true time capsule — complete with face masks from the COVID era and a Mars wrapper dating back to the 1994…

How did early humans use their hands, and what can that tell us about our shared past? Cora Leder, newly awarded recipient of the NWO PhD in the Humanities grant, is set to find out.

The Capacity to Innovate is a recently published book by Sarah Giest, Assistant Professor at the Institute of Public Administration. In this article Sarah gives insight in the main findings of the book and the experience developing it.

Bullying, abuse or a difficult divorce: many young people struggle with mental health problems after traumatic experiences. But why do some suffer much more than others? This is the question that Hannah Dorsman is exploring within the THRIVE project.

Digital journalism is transforming the way in which information and communication technologies are used by media workers. With this change journalist practices, norms and values are also being reshaped. This is the conclusion of Tomás Dodds PhD research.

On Monday 28 March a ‘pen test’ will be carried out to check the security of the classroom scanners. These people counters in University buildings were temporarily switched off in December after there was growing disquiet about privacy aspects of the devices. The pen test will be carried out in the…

Opting more often for mocktails or soft drinks rather than beer or wine, talking to others about their drinking and pointing out the ban on drugs. Leiden University’s new covenant on alcohol and drugs for study associations encourages providing more alcohol-free alternatives.

How to reduce aggression when two parties are at odds? PhD research by psychologist Lennart Reddmann's shows that it can help to offer them a peaceful alternative. However, the attacking party benefits the most from such a solution.