Since 24 March, the Kamerlingh Onnes Building of the Faculty of Law has been full of hundreds of colourful jellyfish. But behind that enchanting sight is a serious message: the exhibition symbolises the loss of biodiversity in the oceans due to climate change.

Researchers, civil servants and local residents met on 27 September to talk about partnering for sustainability. What were the results? In a green ‘city oasis’ in the centre of The Hague they spoke about the energy transition, bottom-up initiatives and citizen science.

Each year on the university’s birthday, children at primary schools in Leiden and The Hague have a lesson from a professor – about children’s rights and robots in surgery, for example. The children get to do activities. And ask questions: ‘How do you become a professor?’

Arts and leisure, Personal development, Language, Arts and leisure

Portraits that gaze at you and have moving stories to tell: HEAR ME NOW says what usually remains unsaid.

On this page you find video tools for educational purposes and information on lecture recordings.

In 2023-2024 seven (teams of) teachers received a Grassroots or Grass shoots grant. Here you can read about their projects.

How can the university create a safer working environment? Ombuds Officer Marjan van Dasselaar provides independent and impartial advice on this matter. In her recently published annual report, she also provides a number of recommendations. ‘We’re all responsible for ensuring a culture of dignity and…

Buurtlab 070 is a new Leiden University project in which residents, researchers and students from The Hague work together on climate, sustainability and biodiversity solutions. What do they expect of the lab?

Wat gebeurt er op het schoolplein? Sensoren op kleding openbaren pijnlijke patronen

Would you like to take concrete steps toward a sustainable university or do you have a broad interest in sustainability? Over 200 staff members have already joined the Leiden University Sustainability Network. And there is always room for more – even if you’re no expert on sustainability, says project…

From an emergency fund for Ukrainian students to a golf tournament for cancer research at the LUMC: the Leiden University Fund (LUF) crowdfunding platform is full of fantastic projects that enrich the university. If you are looking for funding for your idea or special project, crowdfunding may just…

Through various initiatives, Leiden University is trying to make people aware of the importance of biodiversity: the cultivation of a wide variety of micro-organisms, animals and plant species. This is important because in the Netherlands biodiversity has declined from about 40 percent in 1900 to about…

Why is the sky blue? Why are most people right-handed? Why are spiderwebs so strong? These are just some of the questions arriving at Postbus 71, a Leiden2022 project where everyone can ask their questions. Friso de Hartog, the driving force behind Postbus 71, is busy answering as many questions as…

Playgrounds often fail to accommodate children with autism, according to researchers Carolien Rieffe and colleagues. They have published an essay offering practical advice on how to make all children feel safe and welcome for Autism Week (Dutch) and World Autism Autism Awareness/ Acceptance Day on 2…

What are you supposed to do if something goes or has gone wrong? Whether it be a break-in, an accident or an unsafe situation of any other kind, or a data breach or a cyber-attack; please read how to report each type of incident below.

Bachelor, Master

If you’re experiencing too much work pressure, talk about it to your colleagues and your manager. This is the only way we can jointly work towards a solution. How do you raise the issue of work pressure? And what can you do to prevent work pressure from getting out of hand?

Should we cut our ties with Israel or maintain them? The event ‘A university conversation on Israel/Palestine’ on 1 July revealed the depth of feeling about the conflict, with students and staff grappling with academic values and moral dilemmas.

How do we offer students a helping hand without losing sight of our own well-being? This was the question that study advisers, lecturers, deans and student support staff tried to answer at the Staff Symposium on Student Well-being.

A small group of Students for Palestine demonstrators occupied the Academy Building on Rapenburg in the afternoon of Wednesday 26 November. The Cleveringa Lecture by political scientist Hélène Landemore had to be moved to Leiden Law School’s Kamerlingh Onnes Building.

PhD ceremonies in the Academy Building will be much easier for family, friends and other non-specialist audience members to follow after the summer. The Doctorate Board is pleased to have decided that as of 1 September, all Leiden PhD candidates will begin their PhD defence with a lay talk. ‘It can…

How do you set up successful interdisciplinary collaborations? That is the central question of a triptych of Leiden symposia in 2024. The final part, on 6 June, looks at cooperation and decompartmentalisation between public institutions. In addition, there will be information on the new round of Kiem…

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.

On Tuesday 25 November, Leiden University is holding the first of four sessions on ‘Building Academic Freedom’. Students and staff are invited to a conversation about today’s hot-button issues.

How do you get fit after these challenging times? How do you actively start a healthy lifestyle? Healthy University Leiden would like to address these topics during the upcoming from #COVID to #GOFIT Week, which will take place from 21 to 25 June 2021.

During the last couple of months, Leiden University has conducted many constructive discussions with the University Council and many other experts and groups from the academic community. Based on their input, the Executive board has decided to create a preliminary policy regarding our ties to Israeli…

Leiden University is awarding an honorary doctorate to virologist Marc van Ranst. Van Ranst has been one of the main advisers of the Belgian government during the Covid pandemic. German Arabist Beatrice Gründler will also receive an honorary doctorate for her work in the field of Oriental Manuscript…

The Netherlands celebrates Space Exploration Day on 12 April each year. Space exploration has brought us ground-breaking discoveries with applications on Earth as well as in space. Leiden University is at the forefront of space innovation. Below are some examples.

Eight Leiden University research teams recently received €15,000 each to take their research to the next level through Una Europa. Dario Fazzi, one of the selected researchers and professor of Transatlantic Environmental History, shares how Una Europa helps him expand a Leiden-based project into a international…

Today marks the launch of the LDE Bachelor Honours Programme Sustainability. Students from Leiden University, TU Delft and Erasmus University will work together on concrete sustainability issues of organisations. Interest in the new programme turned out to be overwhelming. Two lecturers involved share…

Are you curious about how the human skeleton works? Discover this and more on 3 October in Leiden and on 4 October in The Hague.

Sexual harassment was the theme of the recent annual symposium of student ambassadors to the Leiden-Bollenstreek police in collaboration with the police and the municipality. An extremely important issue to students − if the 100 places being claimed as soon as the symposium was announced was anything…

It’s not healthy but we often do it anyway: sit hunched at our computer for hours on end. But exercising and relaxing at work doesn’t have to be complicated. These staff members have come up with fun and easy ways to help their colleagues stay fit and healthy. ‘You don’t need sportswear and won’t end…

How can we help our students build resilience and prevent unnecessary stress? And how do we break the taboo on failure? These and other questions are what study advisers, lecturers, deans and student support staff discussed at the staff symposium on student well-being at PLNT.

How can inclusive communication make you feel welcome at a university? That is one of the questions that will be discussed at the D&I Symposium 2023 on 19 January. We ask Diversity Officer Aya Ezawa three questions about this symposium.

A bloody civil war has raged for years in the Central African Republic. PhD candidate Crépin Mouguia points out a tragic pattern: young people have been recruited as fighters or soldiers for generations and thus fuel the conflicts.

An endless stream of publications, data and software accessible to all? Professor of Science Studies Thed van Leeuwen calls for a more human-centred approach and an overhaul of the PhD system.

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.

For the health of the staff and the whole organisation, it is important to have an open and honest conversation about work pressure – and to do something about it. New websites offer faculties and staff tips and tricks on how to reduce work pressure.

Last week (25-29 October) was Healthy University Week 2021 ‘Time to Recharge’. A week devoted to vitality, with a programme packed with activities guaranteed to give you energy. Over 1,000 staff from Leiden University and the LUMC signed up for the daily energisers, relaxed during a yoga session and…

This week is the annual Healthy University Week at Leiden University and the LUMC , and the theme this year is: “Time to Recharge”! It’s going to be a week filled with lively activities ranging from brief energizers and interesting lunch lectures to interactive workshops about things that can help us…

Exhibition

How has evolution shaped our curiosity? And how does that curiosity ensure that we now have the technological ability to discover whether we are alone in the universe? This was all covered during the celebration of Leiden University’s 449th Dies Natalis.

From forwarding promising calls and arranging budgets to assisting in legal issues and keeping track of important deadlines: to associate professor Roxanne Kieltyka, the research support offered by project managers Inge Rietveld en Christina Schlüpen is fundamental. ‘The combination of our expertise…

Annetje Ottow is stepping down as President of Leiden University’s Executive Board on 1 September 2025 after almost five years in the role. She looks back at the highs and lows – and ahead to what’s next.