Environmental scientist Rutger Hoekstra addressed the General Assembly of the United Nations on 12 April. And that’s quite a big thing to do. How do you get there as a scientist? And, more importantly, what was his message? In eight questions, Rutger explains what he does and why.

Sharing knowledge based on research within organisations presents a challenging task. How can this be done effectively? What steps should be taken to ensure that knowledge obtained from research is shared and applied in the organisation's daily practice? On 8 May, the Leiden Leadership Centre (LLC)…

What makes people in the Netherlands join radical and far-right groups? PhD candidate Nikki Sterkenburg followed several activists. ‘Some feel it is their duty to defend the Dutch nation.’ PhD defence on 19 May.

After the summer, the SPSS statistics programme will be replaced by the new ‘R’ software for first year students. Hemmo Smit and Sjoerd Huisman, both lecturers in Methodology and Statistics, initiated this major change in the curriculum. That did not happen overnight.

A design created by student Jill Stoelinga has won our 450 mural competition! From May 12, you can help us paint the artwork. Read on to learn all about what the painting represents and how you can help.

Astronomers have captured a new deep field of Pandora's Cluster (Abell 2744) with the James Webb Space Telescope. The images show never-before-seen details. The results are described in four scientific papers. Leiden astronomers Marijn Franx and Mariska Kriek collaborated on the study. 'This opens a…

How long does it take our master’s students to find a job after they have graduated? How far ahead should you start sending out applications? Where do most Public Administration students end up after graduation? How do most students go about finding work? That was the start of the kick-off meeting Career…

In December 2023, Louise van der Vlugt was announced as Co-Winner of the 'Best Thesis in Jewish Studies' Award. She sat down to answer some questions about her prize-winning BA Thesis.

They are big and white, devour energy and could be gathering dust in your department: old, faulty or unused fridges are anything but sustainable. This spring, staff from the Faculty of Humanities swapped 18 of these electricity guzzlers for more energy-efficient models. How did they go about this and…

When it comes to literature, people mostly talk about what characters see or hear. Rarely is it about what they smell. That’s a shame, thinks university lecturer Jan van Dijkhuizen. He has been awarded an Open Competition grant from NWO to expand academic knowledge about scent in literature, and to…

The Leiden Ranking – Open Edition is completely transparent. The ranking compiled by the CWTS uses open data and publishes the algorithms that are used.

How do games help shape our perception of the past? Associate Professor Angus Mol receives a Vidi grant to answer this question.

In the booklet ‘Research with Windows Wide Open’, eight professors in the social sciences and humanities advise colleagues who want to make an impact with their research. They include Leiden professors Andrea Evers and Leo Lucassen. The booklet, published by the Royal Netherlands Academy of Arts and…

Suddenly getting lost, failing to recognise family members, or forgetting words and names are well-known symptoms of Alzheimer's disease. Psychologists have now discovered that the disease also manifests in more subtle ways: through the rhythm of finger tapping.

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.

Seksueel misbruik tussen broers en zussen kan ook na jaren nog grote impact op de familierelaties. Dat blijkt uit onderzoek van Sheila van Berkel, Iva Bicanic en Anja van der Voort, die slachtoffers met elkaar in gesprek brachten over hun ervaringen. ‘Ouders ontkenden of minimaliseerden het misbruik…

‘If we all possessed just an ounce of Cleveringa, then all would be well in the world,’ said Professor Leo Lucassen. In the Cleveringa debate on the line between free speech and threatening speech he called for ‘more guts’. He is not the only one who thinks this is badly needed if the debate at the…

One discovered that arteriosclerosis resembles an autoimmune disease, while the other developed a system to aid in the search for new medications. For these achievements, Marie Depuydt and Jurren de Groot were awarded the Krijn Rietveld Memorial Innovation Award on the evening of Tuesday 4 June.

The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.

Proton therapy is a new way of treating cancer in which radiation doses are delivered more precisely. This results in less damage to surrounding tissue and fewer side effects. Professor Marco van Vulpen is medical director of HollandPTC in Delft, where the social value of this therapy is studied. Van…

The new Students for Leiden party pulled off a stunning victory in the municipal elections. From nowhere, the party won two seats on Leiden Municipal Council. How are brand-new student councillors Mitchell Wiegand Bruss and Elianne Wijnands doing? ‘We’ve already asked questions about the quality of…

Whereas the Netherlands Court of Audit used to conduct an investigation once a year, the average civil service organisation now has a few per year to contend with. Is so much going wrong nowadays? Not at all, says Professor by Special Appointment Sjoerd Keulen. ‘It’s one of the methods that makes democracy…

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…

A microscope with incredible sharpness that leaves samples unharmed – Guido Stam helped develop one. During his PhD research, he combined light and electrons to study biological samples. ‘We can now measure things that simply weren’t possible before.’

While tens of thousands of visitors dance to deafening music, a team of Leiden psychologists are trying to collect data for their research at Lowlands. How do festivalgoers experience a virtual trip? And what role do factors such as too little sleep and whether they have experience with psychedelics…

Sometimes an idea seems so logical and elegant at first glance, that you later wonder why no one thought of it before. Two researchers from LACDR have teamed up to develop a completely synthetic alternative to antibodies—one that mimics their size, shape and function, but which is cheaper, more stable,…

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…

On Friday 29 August 2025, 370 students received their Bachelor's degree in International Studies. The diplomas were awarded in the historic setting of the Pieterskerk in Leiden. Family members, friends, and staff gathered to celebrate this joyous occasion with the graduates in a packed Pieterskerk.

A variety of Diversity & Inclusion training courses are offered at faculty level on topics such as prejudice, diversity in the workplace and inclusive education. During these courses, participants have the opportunity to talk about their experiences.

Psychologist Ellen de Bruijn studies the effects of hormonal fluctuations on behaviour and on the brain over a woman's life course. With an ERC Consolidator grant, she and 3 PhDs and a postdoc will further her EEG research on the different stages at which girls and women experience strong hormonal f…

Researchers and clinicians at Leiden University Medical Centre (LUMC) are about to begin a milestone clinical study. It will be the first time a stem cell gene therapy developed in the Netherlands is used in a clinic. The therapy will be used to treat children with SCID, a rare disorder where children…

What does it feel like to become a citizen in a new country? For her PhD research, Hannah Bliersbach immersed herself in the world of immigration. She interviewed dozens of new citizens in Germany and Canada and found that citizenship is, above all, a transactional process.

People don’t have enough faith in the trustworthiness of others, says psychologist Manon Schutter in her dissertation. In it, she also highlights the negative effects of being actively distrusted. How does distrust affect a relationship in the future?

What does a 19th-century exhibition of traditional utensils from the province of Zeeland tell us about the current rise of populism? A lot, Ad Maas will say in his inaugural lecture.

Three Humanities lecturers received the Senior Qualification in Education (SKO) this year. University lecturer Bruno Verbeek is one of them. What does he think makes for good education?

For her research, PhD candidate Liselore Tissen put one famous painting after another through a 3D scanner. The resulting reproductions were indistinguishable from the originals. But what does this mean for our interpretation of art?

What should our education and research look like in 2027? How can we make the university more sustainable and achieve greater impact? The new Strategic Plan will set the direction for the coming years, and the Executive Board wants students and staff to provide as much input as possible. Would you…

For a while, it was uncertain whether prominent American politician Nancy Pelosi would travel to Taiwan. But last Tuesday, she did visit – much to the displeasure of China. Asia expert Casper Wits explains why China reacted so strongly and what the consequences of the visit may be.

How should we organise interdisciplinary work within Leiden University? This was the key question at a symposium organised by the Liveable Planet interdisciplinary research programme. Radical ideas, like getting rid of the faculties, came up for discussion.

There’s been a lot of commotion about the ‘Apartheid in Israel’ panel discussion being cancelled. The organisers, Students for Palestine, wanted to hold this at Leiden University’s Wijnhaven building in The Hague on 21 March. The Executive Board would only allow the event to go ahead if guarantees…

Whether a microbe is beneficial or harmful to a plant can now be predicted with high accuracy thanks to bacLIFE. This bioinformatic tool with an intuitive interface makes it much easier to unlock the secrets of bacterial genomes. A group of Leiden biologists presented it in Nature Communications.

Dick Schoof kan ook wel de buurman van de Haagse faculteit worden genoemd. Vooral vanuit zijn rol bij de NCTV werkte hij veel samen met de Universiteit Leiden en hielp hij onderwijs en onderzoek vooruit, vertelt hoogleraar Terrorisme en Contraterrorisme Edwin Bakker. ‘Voor een kritische vriend was altijd…

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…

Just like the professional riders from the Jumbo-Visma team, amateur cyclists will soon be able to analyse and improve their performance. Leiden data scientists working with the cycling team are making their smart data model available so that every serious cyclist can keep track of their fitness.

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.

Since 2009-2010, the West viewed China as more assertive. Especially after Xi Jinping came to power in 2012, the country abandoned Deng Xiaoping’s ‘low profile’ foreign policy. Friso Stevens explains in his dissertation where this change has come from. The dissertation defence is on 28 March.

It was long thought that the early development of Japanese children's books served mainly as a propaganda tool of the state: the literature was supposed to have been written to shape children into perfect citizens. PhD student Aafke van Ewijk nuances this image. Children's book writers wanted to have…

Two of the three nominees for the Leiden Education Prize, or best teacher of 2020-2021, work at FGGA: Els de Busser (ISGA) and Ayo Adedokun (LUC). Both lecturers are very honoured with their nomination. The winner will be announced on Monday 6 September during the opening of the academic year.

The West has missed several opportunities to prevent the invasion of Ukraine or, at the very least, to better support the Ukraine, claims Frans Osinga, Professor by special appointment War Studies.

Three new ministries have been formed in the Netherlands: Asylum and Migration, Housing and Spatial Planning & Climate and Green Growth. Of course, this is not merely an administrative act. These ministries carry a strong and political charge and play a crucial role in shaping a government's political…