Do you know a children's book fanatic? According to the Griffel-jury, 'Rekenen voor je Leven' (Calculating for your life) by Science Communication Professor Ionica Smeets is highly recommended. The book was awarded a silver ‘Griffel’, one of the highest awards for Dutch children’s literature. And that…

Language is omnipresent: when you talk, app or meet in Teams. Understanding how we communicate with one another and what communication does to us is essential. In her inaugural lecture, Nivja de Jong will call to redress the balance between the sciences and the humanities.

Arjen Doelman (Leiden University), Max Rietkerk (Utrecht University), Ehud Meron (Ben-Gurion University of the Negev) and Isla Myers-Smith (University of Edinburgh) received an ERC Synergy grant of 10 million euros with their RESILIENCE project. The researchers will investigate whether and how tipping…

Leiden professor of molecular astrophysics and astrochemistry Ewine van Dishoeck was presented with the Niels Bohr International Gold Medal on Friday 7 October. The medal, instigated by the Danish Society of Engineers IDA, was awarded by Queen Margrethe of Denmark at a ceremony at the Carlsberg Academy…

Two Leiden Science researchers received an NWO-XS grant for their research. Both projects are highly promising, but also high-risk. Macrophages that trap bacteria and data storage made from 2D materials convinced the board of their potential.

Matthijs van Leeuwen and Frank Takes have been appointed directors of education at LIACS as of 1 September. They will succeed Marcello Bonsangue, who has held the position since 2016. Van Leeuwen and Takes have been appointed for a period of four years.

Artificial intelligence systems are smart. They can recognize patterns better than humans, for example. Yet humans are still very much needed. How can you better steer those AI systems? LIACS lecturer Jan van Rijn wrote a book about this together with a number of colleagues. We asked him a few quest…

Research

How do you get citizens more involved in energy transition projects? This is the central question of the new transdisciplinary research project EmPowerEd. As a consortium partner, Leiden University is focusing on effective and inclusive collaboration between citizens, municipalities and industry.

What began as a PhD project has grown into a website with 120,000 unique visitors each year. With the platform OpenML, researcher Jan van Rijn is contributing to open science, aiming to make machine learning more transparent, accessible, and fair.

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.’

Our university recently joined the European university alliance Una Europa. Staff from the 11 affiliated universities met in Leiden last week to discuss our collaboration.

Seminars, workshops

Webinar, Q&A, discussion

Training workshop

Each year on or around International Women’s Day, the university hosts the Annie Romein-Verschoor Lecture. You are welcome to attend − even if you wouldn't call yourself a feminist, says professor and organiser Nadine Akkerman. ‘You get the best discussions with a diverse audience.’

Last year he became Teacher of the Year because of his innovative and online teaching, now Alexander van Oudenhoven has to change course again and teach physically. What have the first weeks been like for him? ‘Let's apply what we learned in the lockdown period.’

Fifteen passionate lecturers earned their Senior Teaching Qualification (SKO) on Monday 22 January. Rector Magnificus Hester Bijl congratulated them in the Academy Building. Four of these lecturers talk about what motivated them to take the SKO and how it has benefitted them.

From choosing the right tools to locking your screen when you go to get a coffee: it’s often the little things that help you work securely. With our campaign ‘Check it: work privacy and security smart’, in the coming month we are focusing on protecting our information and data, including personal data.…

The two instruments of ESA's space telescope Euclid have taken their first test images. The first images indicate that the space telescope will achieve the scientific goals for which it was designed - and possibly much more. Euclid will create a 3D map of a third of the sky, allowing scientists to study…

'Frans Rodenburg is an excellent teacher who is able to convey difficult information,' say his students. In his statistics classes, he wants to make students enthusiastic for his beloved subject. 'Most students are convinced that statistics is not for them. I am here to convince them otherwise.' Rodenburg…

Three new initiatives will provide a more diverse view of Leiden’s academic history, literally and figuratively: a historical study on the background of students and scientists, a new book about the Academy Building, and two new sculptures of female scientists, Ewine van Dishoek, Professor of Molecular…

The Dutch research funding landscape is changing. What developments can senior grant adviser Walter van Raaij see? And what are his tips for a successful grant application?

A new university-wide survey is now open to all involved in conducting, teaching, advising on, or supporting research related activities at Leiden University, aiming to better understand the current state of Open Science awareness and practice. Initiated by Archaeology’s then PhD candidate, now guest…

Five projects with a lead applicant from Leiden will receive an Open Science Fund grant from the Dutch Research Council (NWO).

One used 3D cell models to study colorectal cancer, while the other used machine learning for more efficient blood donation. For these achievements, Marieke Vinkenoog and Simon Christian Hansmann were awarded the Krijn Rietveld Memorial Innovation Award on Tuesday 2 September.

It’s Cybersecurity Awareness Month, and we’re spotlighting the importance of digital safety in the workplace. Our Chief Information Security Officer, Sylvia Bunte-Thelen, shares how staff can help keep our university a safe place to work and study. ‘We need to work together to protect our knowledge.…

The Advanced Nano-electrochemistry Institute Of the Netherlands (ANION) consortium will receive 23.6m euros in Gravitation funding for research on important electrochemical processes for energy transition. An additional four consortia with members from Leiden have also been awarded funding.

Assistant professor Joost Willemse firmly believes that as a teacher, you’re never done learning. ‘Students ask questions about things you’ve never thought of yourself. Ultimately, that makes you better at your job.’ That’s why he always encourages his students to ask questions. And it’s appreciated:…

AI-related activities and programmes are springing up throughout the university. In research, for example, at SAILS, and for staff in workshops and co-creation labs. As an AI champion at the ISSC, Julian van der Kraats is involved in various AI developments.

Leiden University wants to increase the security of its systems. That is why since 1 May the ‘sneakers team’ has been making many miles through our buildings. This team with various specialists will map all measuring and research systems. Today Roland van Dam introduces himself, he is the project manager…

Seven interdisciplinary projects involving Leiden University academics have been awarded up to €27,000 in seed funding. They will work with Una Europa alliance partners to advance topics including academic freedom, AI in the humanities, sustainable mining and maternal health care.

Canal Watch (De Grachtwacht), which has been cleaning canals since 2018, has received the Dutch Research Council (NWO) Communication Initiative Award.

Students gain practical experience while clients receive a solution to their software needs: the student software company LUdev hits two birds with one stone. ‘Through LUdev, students learn what else is involved in software development besides programming.’ Interested? You can now submit new projects…

An international team of astronomers including Leiden professor Ewine van Dishoeck has observed the benzene molecule (C6H6) in a planet-forming disk around a young star for the first time. The observations tell us more about the forming of planets in this disc, like our own Earth. The scientists publish…

Conference, BOCA Workshop

Arts and culture

From the energy transition in Namibia to sustainable jobs for young Nigerians, from African cookbooks to vodcasts on vintage Swahili booklets: during a recent visit by the Executive Board, staff from the African Studies Centre Leiden and the African Library presented their research, teaching and acquisition…

How to innovate education? In this series, the Honours Academy highlights examples from their educational testing ground that aim to inspire. Today: the liberating effect of pass/fail and ‘unessays’ at Honours College Law.

How can you ensure that more experimental drugs reach the finish line? At the moment, only one in twenty cancer drugs that are tested on humans makes it to the market. This is an enormous loss for patients and society. With a grant from the National Growth Fund, Oncode-PACT aims to efficiently select…

Public agencies are keen to use new technology such as AI to speed up their primary processes. But the internal organisation is often a major stumbling block. SAILS researcher Friso Selten conducts research at the interface between data science and public administration.

AI is already widely being used in HR processes, but it’s unclear whether these applications contribute to fair and inclusive decision making. Leiden researcher Carlotta Rigotti is involved in BIAS, a big consortium research project that aims to provide answers and develop a new, trustworthy AI app…

What happens in the brains of people with psychiatric illnesses? With a €23.23 million gravity grant, scientists from different fields will search for biological causes over the next decade. ‘By joining forces, we hope to improve diagnosis and treatment for patients with these diseases.’

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Training