The Dutch Tax and Customs Authority is planning to start enforcing income tax and contribution obligations again following a moratorium lasting several years. The tax authority is doing this in a move to combat sham self-employment; a dossier that continues to be a huge obstacle for the Dutch House…

Yvonne Erkens and Fieke Weber, both from the Department of Labour Law and Social Security, recently organised a panel discussion on behalf of the International Labor Rights Case Law Journal (ILaRC). The discussion took place during the ISLSSL World Congress in Rome and was a huge success.

‘We didn’t find any mechanisms in the brain for transmitting child abuse from generation to generation. What we did find is that experiences of neglect and abuse affect the brain differently,’ concludes Lisa van den Berg (Clinical Psychology). PhD defence 30 June.

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.

What’s really happening in the space between the cells in your body? With the Collagen Canvas project, students from Leiden University invite you to explore this question by blending science with art. This interactive artwork immerses you in the dynamics of the extracellular matrix—the invisible structure…

‘In Hong Kong, the elderly found our popular nature routes boring, so they now cycle our action-packed routes through New York.’ What once started as an assignment for the Master Programme Media Technology, has grown into the international market leader in the field of virtual reality exercises for…

Fancy seeing how your job is done at a university abroad? Project Managers Christina Schlüpen and Jeannette de Wolf from the Leiden Institute of Chemistry did just that. They both spent a week shadowing a European colleague: one in Bologna and the other in Berlin. This was through the Una Europe alliance,…

A breakthrough from the PhD research of medical chemist Elmer Maurits may help patients with autoimmune diseases and blood cancer in the future. But bringing a discovery from the lab to the clinic is not so easily done. Thanks to NWO's Venture Challenge, Maurits and his team will receive ten weeks of…

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…

In his last week as interim cabinet minister, alumnus and outgoing Dutch Minister for Foreign Trade and Development Cooperation Geoffrey van Leeuwen set time aside to give a guest lecture at his alma mater, Leiden Law School. It was the perfect opportunity for a flash interview.

Imagine: you walk into a museum, see something that catches your eye and before you know it, you have an internship. This is what happened to history student Davey Verhoeven, who went on to work on the exhibition about the unique Japanese folding screen by Kawahara Keiga (approx. 1786 – approx. 1860)…

The Lorentz Center is a melting pot that is visited by researchers from around the world. ‘Miracles happen’ during the five-day interactive workshops at the Center. And there is an extra reason to celebrate the center’s 25th anniversary. On 28 April, the Dutch Research Council (NWO) and Leiden University…

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…

At one time, the railway from Kimberley to Kambove in Southern Africa symbolised prosperity and progress. Today, the exhausted mining towns along its route are marked by decay and pollution. Professor Jan-Bart Gewald has been awarded an NWO L grant to investigate the long-term global consequences.

The Executive Board appointed Sanneke Kuipers as full professor effective January 1, 2022. Her chair is Crisis Governance. She combines this chair with her position as education director of ISGA, the Institute of Security and Global Affairs. A conversation about working 24/7 in crisis management, her…

Graduating in international law and fulfilling a childhood dream by performing your own theatre show. Alumna Fleur Verhoeff has achieved both. How did she go from studying law to the performing arts? And how does her background in international law help?

During the event 'Fout?' by De Jonge Akademie, Ellen de Bruijn held a lecture about the social context of making mistakes and the psychological elements of learning from it.

William Pestle and Jason Laffoon recently published a new article entitled 'Quantitative paleodietary reconstruction with complex foodwebs: An isotopic case study from the Caribbean' in the Journal of Archaeological Science: Reports.

On the occasion of the conferral of an honorary doctorate to children’s rights activist Graça Machel, a fund has been established that will enable two female students from South Africa to come and study in Leiden.

During the Opening of the Academic Year 2024-2025, we asked guests for their wishes and ideas for Leiden University's anniversary year in 2025.

Hortus botanicus Leiden is the first Dutch garden to receive an accreditation from Botanic Gardens International (BGCI). The Conservation Practitioner Accreditation is a certificate that recognizes the policy, knowledge & expertise and education with regard to plant conservation at an international…

Five mathematics students from Leiden University and their coach stood out this summer in Bulgaria at the IMC: the International Mathematics Competition for university students. Lance, Ryan, Casper, Mads and Lars tackled tough maths problems and also made the most of the Bulgarian sunshine.

The publication of the recent IPCC report on climate change has not gone unnoticed, to put it mildly, certainly not within the Liveable Planet community.

For fifteen years, Recep Uysal carried out research on positive psychology in Turkey; it is even the subject of his PhD. That was until he had to flee Turkey and start again from scratch in the Netherlands. Re-entering the academic world was a challenge, but he rediscovered his love for the field in…

Stuck at home with little to do? Don’t worry, because we have the perfect space related activities you can do from home, alone or with your family, in Dutch or English.

Lecture from the ESA Director-General Johann-Dietrich Woerner in Lorentzzaal (A144)

Lecture

What does a student member of the Faculty Council do? What is it like to be a member of this representative body and how useful is it to be a member? Students Rassoul Coelen (FC 2020-2021 and presently member of the University Council) and Max Garcia Hoogland (FR 2021-2022) talk to us about their experiences.…

At the age of six, Barbara Gravendeel already knew what she wanted to be: a biologist. The seed was planted in the garden of her childhood home: an old orchard surrounded by a large hedge. Since 1 May, she has been the scientific director (prefect) of the Hortus botanicus in Leiden, and all the pieces…

Passionate, innovative lecturers are the driving force behind our education. Janine Geerling, former assistant professor of the Bio-Pharmaceutical Sciences programme, obtained her Senior Teaching Qualification (STQ) at the end of last year. ‘You have to make time for educational innovation, and not…

The cultural linguistic minority group of deaf people who communicate using sign language systematically experiences limited access to fundamental rights. Linguist Joni Oyserman identified this problem and has received a Meijers grant to fund her investigation.

How to innovate education? In this series, the Honours Academy highlights examples from their educational testing ground that aim to inspire. Today: pioneering with podcasts. What are the do's and don'ts? Two teachers and a student share their thoughts.

A cannon, a sabre, guns: these Sri Lankan objects had been in the Rijksmuseum for centuries. In early December, they were returned to Sri Lanka. Associate Professor of Colonial History Alicia Schrikker led the research that formed the basis for the restitution and published a volume on the findings…

What started as pioneering work, has evolved over decades to become a renowned institute in 2025 with an internationally acclaimed master's programme. 'Almost everyone involved in the aviation and space sector knows us in Leiden.'

On Wednesday morning, 14 March, Sander Dekker, Minister for Legal Protection, gave a guest lecture to the students of the Master Crisis and Security Management as part of the course Crisis Management. Dr. Sanneke Kuipers presented propositions based on theory to Minister Dekker. After each proposition,…

PhD candidates Vincent Walstra and Leen Felix in dialogue

Raised by his grandmother and grandfather, trained as a doctor, the medical director of a camp for Eritrean refugees: Ephrem Tesfay was anything but a typical student when he arrived in Leiden in 2019. Still, he fit in well with the ‘youngsters’.

The Linked In profile of alumnus Arne Driessen describes him as a ‘serial entrepreneur’. After studying Japanese he ended up working for a translation agency, after which he founded his own online marketing company, which he later sold to enable him to do something different again: making offices more…

Ecologist Sebastiaan Grosscurt became a successful wildlife journalist after graduating. But he decided to focus on science instead. He started his PhD research this year on the cumulative effect of light and noise pollution on animal behaviour.

Neat strips of grass and perfectly manicured flowerbeds may look green and inviting, but they’re often not the best for nature. That’s why Leiden University is prioritising a comprehensive biodiversity plan over conventional greenery at the Leiden Bio Science Park (LBSP).

How do you measure over-protective parenting? Why are girls more likely to develop anxiety disorders? And do the social skills of therapists really make a difference in treatment outcomes?

This month we interview alumna Dominique Mars who made an interesting career choice: she tells us how she chose to be a teacher at a primary school whilst having obtained her Master in Child Law.

You should start working now, and the positive results will only be seen long after your term has expired. That is just about the worst thing you can say to politicians and policymakers. Yet that is exactly the message of two recent reports on sustainable resource use from the Centre for Environmental…

A soap film with chemically distinct sides: it's the latest breakthrough in the research led by chemist Sylvestre Bonnet. This unique soap film, along with an innovative device capable of continuously producing new soap films, forms a crucial piece in the puzzle for the development of artificial pho…

Back in 2016, Genner Llanes-Ortiz joined the Faculty of Archaeology as an assistant professor in the Heritage of Indigenous Peoples research group. Genner works on the crossroads of anthropology, archaeology, heritage, and human rights. ‘I am investigating how contemporary indigenous peoples are re-connecting…

Inspired by a gift she received at a conference abroad, Laura Kamsma, coordinator of the FGGA International Office, went looking for new promotional goodies to hand out to the representatives of international exchange programmes at Leiden University - Campus The Hague. The gifts had to meet three requirements:…

He started out as a temporary staff member at the CML’s education office, and now – eight years later – Jasper Williams is the institute’s new Director of Operations. In this interview, he talks about entrepreneurship, making a social impact, and playing competitive bridge. ‘I like doing things properly,…

People in the Early Bonze Age used bronze artefacts as a means of payment. This is the conclusion reached by archaeologists Maikel Kuijpers and Catalin Popa in a PLOS ONE article published on 20 January.

People often say you should ‘do something that makes you happy’. Alumnus Benjamin Wegman certainly took that advice to heart. After graduating with a degree in tax law, he switched to brewing beer at a local brewery in Leiden.

Yousef Yousef (39), a successful entrepreneur in the water-quality industry, recently joined the Advisory Board at Leiden Law School. Read the interview about his career.