Education

Research

Packages of DNA strands containing silver, measuring just two or three nanometres in size. Leiden physicists Donny de Bruin and Dirk Bouwmeester create these packages, which can enter living cells on their own. They then activate the silver with light, causing the cells to break down. This could, in…

The energy transition ranks high on the European policy agenda, but what does it take to get there? René Kleijn researches how we can extract, use and reuse raw materials in a responsible way. Since 1 March, he has been appointed professor of Resilient resource supply.

Why do some people with adverse childhood experiences develop mental health conditions whereas others do not? A Leiden research project is looking for volunteers aged between 18 and 24 to help us understand more about human resilience.

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.

The Mapping Slavery project will place markers that tell the story of Leiden’s slavery past. Why is this important and what does it mean for today’s society? Before the markers are placed, a panel came together on 24 March to discuss the slavery past of not only the city but the University too.

PhD candidate Jiangnan Ding explores how you can design a thick slab of rubber in a way that it might act as a mechanical computer bit. This so-called mechanical metamaterial is pushed in a specific way to change its shape. ‘With a very simple material, we might be able to do simple calculations in…

The energy transition is already a huge challenge for society, but sustainable use of resources is even more complicated. Yet it is at least as urgent. Ester van der Voet has been working on it for decades, for example within the United Nations. Since February, she is a professor at the Centre for Environmental…

Mining for natural resources harms the environment. But we desperately need them, for both the development of countries and the transition to a sustainable energy system. Professor of Sustainable Resource Use Ester van der Voet researches how we can reduce the environmental impact of natural resources…

Physicist Milan Allan will build an instrument that will bring superconductivity research further. He has been awarded an ERC Consolidator Grant of 2 million euros over the next five years. With his PairNoise programme he aims to detect paired electrons as they occur just above the temperature at which…

It was already the most cited publication ever written at our faculty, but now a new milestone has been reached. Last month, a paper by emeritus professor Jan Reedijk and his co-authors surpassed 10,000 citations — and the count keeps rising.

How can we tell whether and how a prehistoric weapon was used? How can we better understand the dexterity and combat skills involved in Bronze Age spear fighting? A research team from Leiden and Göttingen University present a new approach to answering these questions: they simulated the actual fight…

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’

One in two people will be diagnosed with cancer. World Cancer Day on 4 February raises awareness of the impact of this devastating disease. Leiden University is conducting various studies aimed at preventing and controlling cancer. Below are just a few examples.

You can apply various means to increase your societal impact: through interaction with professionals, the commercial sector or general audiences. The University can support you in this process in a number of ways.

Professor Eline Slagboom has been studying multiple generations of families for over 20 years. She collects data on why some people age healthily and others decline early.

In the ‘Educatips’ column, psychology lecturers share their most important insights on teaching. This month: Taarique Debidin thinks making contact with one another is more important than cramming knowledge. ‘I’d get no energy at all from being a formal lecturer.’

Eleven lecturers from Leiden University have been awarded Comenius grants that will allow them to work with their teams on an innovation project within their own teaching. They have been awarded three grants of 100,000 euros within the Senior Fellows programme and four grants of 50,000 euros within…

In het jaar voor overlijden door zelfdoding zag een groot deel van de mensen een zorgprofessional. Het optreden van zorgprofessionals is van cruciaal belang om het aantal zelfdodingen in Nederland te verminderen. Daartoe moet de kwaliteit van zorg beter, in het bijzonder voor jongeren, jongvolwassenen…

Based on the results of a language-switching experiment, PhD candidate Fatemeh (Simeen) Tabassi Mofrad MA and Professor Niels Schiller have discovered that the traditional categorisation of brain areas is not sufficient. They published their research findings in the scientific journal NeuroImage.

Eduard Fosch-Villaronga and Hadassah Drukarch from eLaw - Center for Law and Digital Technologies, recently published the book ‘AI for Healthcare Robotics’, published by CRC Press from Taylor and Francis Group in their AI for Everything Series.

Education

The Leiden Academic Centre for Drug Research (LACDR) has received a €750,000 grant from ZonMw for QPharmNL. This is a continuing education programme that trains professionals in computational techniques in pharmacology for innovative drug development.

Professor Meta Roestenberg has been awarded the Mercator Sapiens Stimulus 2025 by the Royal Holland Society of Sciences and Humanities (KHMW). The prize of EUR 1 million will allow Roestenberg and her team to further develop an innovative malaria vaccine.

Mirjam Sombroek, Aart Hendriks and Martine de Vries (LUMC) will work on mapping the ethical and legal aspects of gene therapy. The aim is to establish a best practice of how society can best deal with these therapies. For example with guidelines on how to regulate, reimburse and make these therapies…

Leiden University has seven top-rated bachelor's programmes according to Keuzigids universiteiten 2026, a consumer guide to university programmes. This is based on the National Student Survey.

Prof Dr Joke Bouwstra will receive the “ Dr Saal van Zwanenberg Ereprijs” from the “Koninklijke Hollandse Maatschappij der Wetenschappen” on November 14 in Haarlem. Joke is awarded for her innovative contributions to the field of skin delivery science and technology. She shares the price with prof…

From idea to tangible ‘pretotype’: during two new workshops, psychology students brought their innovative concepts to life. Using simple materials and plenty of creativity, they presented solutions at the intersection of neuropsychology and entrepreneurship.

Lecture, Ancient History Research Seminar

Does medicine make patients feel better or worse? We are getting better at predicting this from people’s DNA profiles, says Professor Jesse Swen. ‘It never fails to fascinate me how one DNA base pair can have such a huge effect on treatment with medication and the outcome.’

Cognitive decline and anxiety in Parkinson’s disease are often only recognised at a late stage, in spite of their great impact. Research by Marit Ruitenberg focuses on new tests and methods to show up these symptoms earlier and make them more specific.

A new LUMC study has changed our understanding of how cells work. Researchers have discovered that the CFAP20 protein acts as a kind of ‘traffic controller’ on DNA. Without this protein, chaos ensues, potentially causing cancer. Their findings have been published in the prestigious journal Nature.

What started with an old Soviet camera and a darkroom in London grew into a lifelong passion. Developmental biologist Michael Richardson has been capturing nature - from wild coastal plants to microscopic details in the lab - since his childhood.

Using an innovative method, psychologist Loes Janssen and colleagues measure how long and how often parent and child are close in daily life, and how they experience that togetherness. The researchers combine ‘Bluetooth low energy beacons’ with the smartphone app Ethica to track participants' physical…

Over the past two years, the institute has undergone important developments under the leadership of Scientific Director, Professor Hanneke Hulst. She also steered the Institute with passion and determination through this tumultuous period. She leaves behind a strong, resilient and forward-looking organisation.…

How can parents avoid passing on stress and mental health problems to their children? Professor of Stress-Related Psychopathology Bernet Elzinga develops simple interventions to help both parents and young people. For her research, she has been awarded the Spinoza Prize, the highest academic honour…

'What nature made isn’t necessarily an optimized medicine to use in the human body,’ says Professor of Biological Chemistry Nathaniel Martin. That’s why a group of Leiden researchers is making a chemistry-based improved version of the frequently used antibiotic vancomycin. They received an NWO NACTAR…

The master thesis: for many students it is a true crowning glory. Some theses are truly excellent. Those are rewarded with the FSW Thesis Prize. This year, this award was won by Roosmarijn Goldbach (master’s Psychology) and Matija Čuljak (research master’s Psychology), who respectively researched borderline…

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’.

‘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.

Effectively treating a severe case of pneumonia is often challenging. Identifying the pathogen behind it can be difficult. PhD candidate Ilona den Hartog tried something new: ‘We searched for answers in substances our own body produces.’ PhD defence on 17 September.

There are differing opinions about healthcare for transgender young people. Lieke Vrouenraets investigated the ethical dilemmas.

Psychology students usually only get to meet patients very late in their studies. Therefore, neuroscientists Ineke van der Ham and Judith Schomaker want to research whether students learn more effectively from a virtual experience with a patient with dementia than from a text. Schomaker: 'We have plans…

LUC historian Jacqueline Hylkema unmasks forgeries from the early modern Dutch Republic in the research project "Mapping the Fake Republic".