After receiving positive feedback from peers, socially anxious young people feel as confident about themselves as their non-anxious counterparts. 'These young people are then able to handle new social situations more confidently,’ says Leiden psychologist Anne Miers. Her research is published in the…

Here we highlight the achievements of our latest PhD graduates, each of whom has made significant contributions to the advancement of the field of (bio)pharmaceutical sciences.

Understanding the proces of electrochemical reactions is essential to improve the technology for the energy transition. Fuel cell cars, for example use hydrogen produced from the electrolysis of water. Mariana Monteiro did fundamental research on the process and won two prizes with her thesis.

The Leiden Teachers Academy (LTA) was founded to help collaboration between excellent teachers. Osteoarchaeologist Dr Rachel Schats has been one of the latest additions to the Academy, nominated by the Faculty Board for the position as a Teaching Fellow. ‘In the LTA we talk about new innovations in…

The use of fire can tell us a lot about human evolution. Archaeologist Femke Reidsma has developed a more accurate technique to identify how our ancestors used fire. Existing archaeological studies will need to be revised. Reidsma’s study was published in Nature Scientific Reports on 2 November.

Using mathematics to determine whether scientific results are significant or not. Peter Grünwald, full professor of Statistical Learning at the Mathematical Institute (MI) and senior researcher in the Machine Learning group of Centrum Wiskunde & Informatica (CWI), has been awarded an ERC Advanced Grant…

Quantum technologies are in demand worldwide, but until now Leiden students could not specialise in them. The new master’s program QIST (Quantum Information Science and Technology) is going to change that. Researcher and professor Jordi Tura i Brugués: ‘We need to train the next generation of quantum…

Inviting members of the public to help monitor wildlife, photograph plants or conduct samplings. These are some of the many examples of Citizen Science. It is increasingly recognized as effective and impactful for collecting data, but also for engaging the public in scientific research. In Nature reviews…

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.

He makes music, goes to the athletics track twice a week and, according to his supervisor, has done his research so well that it would not be out of place in a PhD research. Physics and astronomy student Hidde Stoffels' undergraduate research on the properties of dark matter is of such high quality…

Leiden's cultural anthropologist Anouk de Koning is receiving a Vici research grant for her project ‘Prototyping Welfare in Europe: Experiments in State and Society’ to study welfare experiments in four countries and to examine what they tell us about the futures of European welfare states.

Six professors or associate professors from Leiden University have officially been appointed 'Medical Delta Professor'. Their inauguration took place at the Medical Delta Conference in Delft on 8 April.

Christina Toenshoff has been awarded the Virginia Walsh Dissertation Award for her PhD dissertation on corporate climate lobbying. The Leiden Political Scientist, according to the jury, ‘makes a significant contribution to the study of climate and business politics.’

A new position has been created at the Faculty of Humanities. On 1 September, Marian Klamer became the first Director of PhD Programmes at the Graduate School. ‘I want to find the balance.’

On 21 June, our beloved colleague Joan van der Waals passed away after a long and rewarding life.

More CO2 in the atmosphere is making food crops more calorific, less nutritious and potentially more toxic.

Organisation

How does an embryonic stem cell decide if it becomes a heart cell or a kidney cell? That’s the question computational biologist Maria Mircea studied for her PhD research. She looked at the inside of individual cells to analyse how they change. This is what she discovered.

Do you recall all those drugs that were hastily proposed as potential treatments for COVID-19? In the event of a future pandemic, the goal is to offer an effective treatment more quickly and efficiently. To achieve this, a team led by Coen van Hasselt is developing a platform that can speed up the process…

Computer scientist Tim Coopmans uses pen, paper and regular computers to simulate the best possible quantum computer. He tells about his research and how this helps make a useful quantum computer a reality a little bit sooner. ‘I hope I will get to see quantum computers contributing something really…

In a world where bacteria are increasingly resistant to antibiotics, Emma van Groesen set out to find a solution. This month she obtained her PhD, after four years of research into new variants of the antibiotic vancomycin. With success.

Seksueel misbruik tussen broers en zussen kan diepe, mentale wonden veroorzaken. Orthopedagoog Sheila van Berkel geeft behandelaars tips voor hoe zij deze wonden kunnen helpen helen.

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.’

The antibiotic EVG7, developed in Leiden, has proven capable of fighting the dangerous gut bacterium C. difficile with only a minimal dose. What’s more, the bacterium is far less likely to return, a major issue with existing antibiotics. The research was published in Nature Communications.

Data Science & AI student Nataliia Bagan combines a passion for mathematics, language, and artificial intelligence. Her exceptional bachelor’s thesis on improving reasoning in large language models earned her a nomination for the Leiden Science Young Talent Award 2025.

Since the introduction of ChatGPT, the tool has become immensely popular with students. The Faculty of Humanities is now developing its own bots that can act for students as an individual tutor. In January, product owner Julian van der Kraats assists at a workshop on this technique to interested Humanities…

A world-famous light experiment from 1801 has now been carried out with sound for the first time. Research by physicists in Leiden has produced new insights that could be applied in 5G devices and the emerging field of quantum acoustics.

PhD student Janine Westendorp and her colleagues conducted literature research on what patients with cancer and their loved ones perceive as harmful communication from healthcare providers. The results were published in the journal Psycho-Oncology and are released as a poster to distribute to healthcare…

Vincent van Heuven passed away unexpectedly on Friday 6 February 2026 at the age of 76 at his home in Kûbaard (Friesland), the Netherlands.

Soft structures that can take on different shapes without any external drive. Leiden physicists Daniela Kraft and Julio Melio created them in their lab. They present their groundbreaking research on microscale metamaterials in Nature - a breakthrough that opens the door to smart, reconfigurable materials…

Four FSW researchers received good news at the end of 2025: they will receive an NWO-XS grant this year.

Annual Meeting

For the first time, astronomers have observed in three dimensions that gas from spiral galaxies is blown upwards and downwards at high speed, far out of the galaxy. They thereby confirm the theory of galaxy evolution: that star-forming galaxies create intergalactic gas flows by discharging gas along…

Whales in the vicinity of the city of Auckland, New Zealand consume large amounts of microplastics every day. A team of international researchers reached this conclusion after carefully examining whale poop. The team included Thijs Bosker, Associate Professor in Environmental Sciences at Leiden University…

Two workshops on imbalance are scheduled in the near future: one for staff members and one for managers. The aim is to help people recognise signs of imbalance earlier and to take appropriate action.

How wonderful would it be to use art, technology and science in Ukraine's recovery? Young Ukrainians currently residing in Poland get guidance to develop creative programmes and activities that can later be implemented. Leiden astronomers Pedro Russo and Kateryna Frantseva cooperate in the project.

On 1 January Minna Valjakka was appointed Professor of Contemporary Art History and Theory from a Global Perspective. Valjakka sees her appointment as 'extremely topical' because of the discussions about the decolonisation of the arts: 'Art teaches us not just about art, but also about contemporary…

Facility, Organisation

Organisation

‘I was very happy and honoured that my thesis was recognised as a valuable contribution to the topic of landscape archaeology.’

‘Working in Leiden is a dream come true.’ Ákos Kovács studied in his birth country Hungary and worked in Germany, Denmark and Groningen. As professor of Microbiome Ecology at IBL, he immediately started working together with his new colleagues to make discoveries about the versatile bacterial species…

Future users of the Aleida Nijland building were recently the first to have the opportunity to admire the design plan for the new building. During a user meeting, architectural firm De Zwarte Hond presented the design, and future users of the building were able to share their wishes and ideas for further…

Is scientific research useful? In his dissertation, Jorrit Smit argues that in order to answer this question one should not look at, for example, prominent scholars or influential organisations, but at places where knowledge exchange and co-creation take place. Promotion 6 May.

Cut marks on the bones of bears show that people in North-West Europe used bearskins to keep warm 300,000 years ago.

Excursions to Leiden museums, a flown-in American professor and a collaboration with PhD students from Cambridge: Leiden PhD candidates in early modern art were in luck this summer. An award from the Camino Laurent van Vugt Fund allowed the LUCAS research institute to organise a special summer school…

Is polder rice a feasible circular alternative for cows on peatland? A pilot experiment started this week. On May 22nd, researchers from Leiden University and Wageningen University & Research (WUR) planted roughly 3,000 rice plants on the Polderlab near Leiden. The researchers want to test rice as a…

First inaugurated in 2018, the CADS PhD Conference aims to provide young anthropologists in Leiden University and beyond an opportunity to meet each other, present their work, and engage in meaningful discussion. This year, the CADS PhD Conference will be a platform for sharing ideas and insights about…

As eLaw Postdoc researcher exploring the multiple intersections between law, gender, and technology, Carlotta Rigotti has recently participated in a groundbreaking international workshop focused on combatting image-based sexual abuse (IBSA) at the CAIS premises in Bochum, Germany.

Botanisch filosoof Norbert Peeters vertelt over hoe mensen omgaan met planten in het algemeen, en met onkruid in het bijzonder.

Fish populations in lakes and rivers have declined in recent decades. This is probably due to light and noise pollution. The Horizon Europe grant enables ecologist Hans Slabbekoorn to investigate this and improve the situation for migrating fish. In order to do so, a seven-metre-long swimming tunnel…