Exceptional collaboration between physicians is needed to better understand and treat autoimmune diseases that cause inflammation in various organ systems.

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.’

The youngest institute of the Faculty of Science has had a real growth spurt in recent years. It is up to Martina Vijver as the brand-new scientific director to secure that growth and further develop CML. 'This is a challenge that I am really looking forward too,' says Vijver. 'Together with my colleagues…

At the entrance of the Van Steenis building you may now visit an exhibition on material culture. Unexpectedly, it does not display pottery or tools, but building materials. And recent ones at that! Check out the exhibition on Legos lost at sea, conceived and assembled by PhD candidate Maia Casna. ‘These…

A tenacious postdoc researcher persuaded Professor Marc Koper to research the oxygen reduction reaction. In Koper's eyes, there was little of interest there. But they promptly discovered a whole new way to improve fuel cells on hydrogen and oxygen. Their article appeared in Nature Catalysis on 07 Ju…

Museum Boerhaave commemorated the hundredth anniversary of Einstein’s Theory of General Relativity with the exhibition ‘Einstein & Friends’. The exhibition shined light on the famous physicist’s Dutch friends and his love for Leiden. A review featuring seven images can be found below.

Healthy lifestyle campaigns are often unsuccessful. It is hard to get people to eat healthily or do more exercise. Behavioural science expertise should be drawn on at a much earlier stage in policy development, say twelve behavioural scientists in a position paper. They will present the paper to Maarten…

After a successful career as a singer, Esmee Schoones started studying French a few years ago. It resulted in a national award for her thesis on musical arrangements of Verlaine's poems and a job teaching French.

Is it ethical to freely redistribute photographs taken in colonial contexts, historically and today? Christoph Rippe, PhD-candidate Cultural Anthropology, suggests that people might not have been always fully aware of what happened to their photographs after they were taken. 'But nowadays, with the…

Prof. Andrea Evers is a health psychologist who studies the role of behavioural factors in health and disease. As a Medical Delta Professor, she is now affiliated with Leiden University, TU Delft and Erasmus University. In that position, she conducts research at the intersection of various disciplines.…

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.

With the addition of over 16,500 new catalogue records, the collection of Johannes Tiberius Bodel Nijenhuis (1797-1872) is now almost entirely searchable online. The private collection of the Leiden map collector laid the foundation for the special collection of maps and atlases of Leiden University.…

In the Netherlands, people probably grew up with De Fabeltjeskrant (a children’s show, ed.), but in France an introduction to fables plays a much more important role in a child's upbringing. PhD candidate Céline Zaepffel studied the role of fables in French education and teaching methods. It turns out…

If you want to stay fit, you have to go to the gym regularly, and – hopefully - cleaning our teeth is something we do at least twice a day. So, why shouldn’t we keep on working on a safe and healthy work climate, HR Director Esther van Opstal asks in a conversation on where things stand now with the…

Academic freedom is something to be cherished. The freedom to conduct research, design courses and publish research findings as we see fit is crucial to our work.

The European Space Agency (ESA) has published an interim data release from Gaia, the space telescope mapping out the Milky Way in 3D. The first scientific papers published today reveal half a million stars in the Omega Centauri globular cluster, nearly 400 candidate gravitational lensers and the positions…

Samen met een groep enthousiaste wetenschappers bezocht ik deze maand verschillende universiteiten en andere kennisinstellingen tijdens een kennismissie in Indonesië.

The Leiden University interdisciplinary program Liveable Planet is working on a ‘Liveable Planet Academy’ as a follow-up to its activities. The coordinating team visited the transdisciplinary Leuphana University (Germany) to get inspiration for the setup of the academy.

People need to get to know each other to see the positive side of migration, according to photographer and documentary maker Koen Suidgeest. Since the end of September, Suidgeest has been the new city photographer for the region of Leiden. His goal is to photograph as many cultural identities as possible…

On 22 May, astronaut André Kuipers opened the new Mediterranean garden in the Hortus. With this water-efficient garden, the Hortus aims to offer inspiration for future- and climate-proof garden planting. Prefect Paul Keßler and scientific director of the Leiden Observatory Ignas Snellen also signed…

How did you get to where you are now? This is a key question in the Academic Life Course board game, developed by and for academics. ‘In a normal working week we hardly ever talk about the career choices we make, but with this game, we do.’

The new student members of the Programme Committee (OLC) are Pablo Pandocchi, Benjamin Maldonado, Emily Berube-Palsboll and Nico Lesenfants Ramos.

Imparting students with a critical attitude and cross-curricular skills. That is what Rawi Ramautar wants to strive for as the new programme director (OD) of the bachelor of Bio-Pharmaceutical Sciences. 'A programme director has to create a programme of which students say: I find it challenging and…

Anne Veens is on a mission. She wants secondary school students to get acquainted with anthropology, and think about the value it can have in the development and implementation of policy. To achieve this, she has developed a teaching package. Last July, she successfully ran the first pilot. 'Most pupils…

On Sept. 29, Lara Wierenga, together with graphic designer Dirma Janse, presented their new book Atlas of our Brain. In the presence of fellow scientists and other interested parties, they shared some of the stunning illustrations and mind-boggling facts that can be found in the book.

Nearly all documents from the 16th and 17th centuries were written by more than one person but attributed to only one author. Professor Nadine Akkerman wants to rectify this oversight in her research on scribes.

Political games have existed throughout history, but what is the role of 'play' in the way the American political world has developed? University lecturer Sara Polak has received an ERC Starting Grant to investigate this.

Plants can’t run away from enemies. Still, it would like to keep life-threatening herbivores at a distance. This can be done with odours. Klaas Vrieling of the Institute of Biology Leiden found out with his team how plants change odour production to keep the munchers at a distance.

What does the future of quantum look like? Vedran Dunjko (Assistant professor at LIACS and LION) is co-founder of the applied quantum algorithms (aQa) leiden interdepartmental initiative research that will investigate this. They are part of the Quantum Delta NL consortium that was recently awarded substantial…

Healthy communal meals that also prevent food waste. On 4 March, Hague alderman Robert Barker came to see what was cooking at the LUC Community Kitchen, a partnership between students and The Hague Market.

In order to build wind turbines and electric cars, we need tons of magnets. Currently, we import these mainly from China, which means Europe is very dependent on this superpower for the energy transition. This has to change, according to industrial ecologist René Kleijn. In the REEsilience project,…

Winners of Children's Rights Moot Court 2023

How do you ensure that people who have had a stroke get the right therapy at the right time? This is the question researcher Jorit Meesters wants to answer.

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.

In bankruptcies, proceeds are often too low to pay the trustees and fraud often occurs. This lack of resources means that fraudsters can get off scot-free, according to research by Leiden University and SEO Economic Research.

As of 1 December 2024, Uta Wehn is professor by special appointment of the chair 'Citizen Science and Sustainability' within the Focal Area Engagement and Inclusion at the Centre for Science and Technology Studies (CWTS) at Leiden University. The new chair has been established jointly by CWTS and IHE…

PhD candidate Shekinah Dare researched which psychological factors contribute to responsible financial behaviour and well-being. She wants to use this knowledge to develop interventions to encourage people to manage their money better. PhD ceremony on 10 November.

In academia, the mention of Wikipedia might be met with suspicion. However, for Tsolin Nalbantian, university lecturer Modern Middle Eastern Studies, the encyclopedia is an opportunity to broaden the skills of her students and to increase public knowledge. She received a Teaching Comenius Fellowship…

Purple clothing and a pride flag flying from all University buildings: Leiden University is once again taking part in Purple Friday. How do people experience this day? We asked some employees and students of the Faculty of Humanities.

In medical and psychological sciences, little research has been specifically conducted on women. Hormonal fluctuations were considered too intricate. Yes, research into sex and gender differences is complex, acknowledge neuroscientists Ellen de Bruijn and Lara Wierenga, but that’s precisely why it's…

Sandra Palmen studied tax law at Leiden University and built a career within central government, currently as State Secretary. She was one of the first to raise the alarm about the child benefits affair and is now righting the wrongs.

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

People in leadership roles are unlikely to discuss leadership skills with their colleagues. But that is precisely what we as a university would like them to do. Because trust in one another’s abilities will make us an agile university that innovates and makes room for talent.

Building more in urban areas is, in most places in the Netherlands, the smartest way to tackle the housing crisis. This is evident from research conducted by Janneke van Oorschot, published in a partner journal of Nature. Remarkably, this does not have to come at the expense of green spaces in cities.…

How do you make sure you have engough money every month? Do you receive a basic grant, have a part-time job or do you borrow for your studies? Below, a student and a recent graduate tell us how they view their student debt.

Dr. Els de Busser, assistant professor and researcher at the Institute of Security and Global Affairs, as principal investigator of a consortia, has been awarded 1.45 million euros for a project called C-SIDe.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

Damien van Puyvelde has received funding (over 47.000 euro) from a new Research Council pilot for his study 'Open-source research and the war in Ukraine: intelligence for the people by the people?' We asked the researcher five questions about this project and the opportunities this creates for him.

Hydropower plants need not be disastrous for fishermen and nature. For that, we need to place new dams more strategically, but also modify or even remove some existing ones. Valerio Barbarossa and Rafael Schmitt showed that with a computer model of the Asian Mekong basin.