The design for the METIS instrument for the Extremely Large Telescope (ELT) is final. The European Southern Observatory (ESO) has given the green light for production of all parts of the instrument. It is the first ELT instrument, designed and to be built under Dutch leadership, to formally pass the…

By looking at what is different, researchers often discover the special, the unusual. And that has already brought a wealth of highlights – also in Leiden.

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.

A professor from Leiden University has subjected various colleagues to intimidating and unacceptable behaviour for a longer period. These are the findings of an investigation carried out by the University’s independent Complaints Committee for Unacceptable Behaviour at the request of the Executive Board…

Interdisciplinarity is more than a buzzword in academia. It’s essential for tackling today’s biggest challenges. But what does it look like in practice? How can PhDs learn the skills needed to work across disciplines, and how can supervisors master the art of guiding them?

The fight against insurgents, guerrillas and resistance movements is an ‘incredibly unpopular’ topic with experts and military personnel, says Professor by Special Appointment of Military History Thijs Brocades Zaalberg in his inaugural lecture. He warns that ignoring these forms of irregular warfare…

Writers are not just storytellers: with their novels, tales and critiques they broaden the social imagination, reflect on societal developments and sometimes put new themes on the map. This can easily lead to a conflict because writers and literati often think very differently about issues such as…

The decolonisation war in Indonesia was violent partly because the Dutch military operated on the conviction that ‘an uprising had to be forcibly suppressed.’ This what historian Christiaan Harinck from the KITLV discovered in his PhD research.

On Tuesday November 25, 2025, Sarah Cramsey travelled with students from her masters seminar on 'New Approached to the Holocaust in Central and Eastern Europe' taught at the History Institute to Amsterdam for a unique opportunity. There, Lotte Sophie Groenendijk, an alumna of the History Research Masters…

Debate

Leiden patriot Pieter Vreede fought for greater popular influence. Historian Dirk Alkemade reveals how this pioneer used radical means to shape Dutch democracy.

Andrea Cortellari, a 2020 graduate of the MA program in Middle Eastern Studies at the Leiden Institute for Area Studies, wins the best MA thesis prize by the Society for Turkic, Ottoman, and Turkish Studies.

This page gives more information about what a crisis is, what consequences it has and which organisation will be activated if a crisis occurs.

Conference

Leiden University’s Committee on External Collaborations – Human Rights and Conflict Zones advises the Executive Board to suspend student exchange programmes with Hebrew University of Jerusalem and Tel Aviv University until further notice.

Hoogleraar Radicalisation Studies Tahir Abbas wil mensen er bewust van maken dat radicalisering voortkomt uit hoe wij als mensen samenleven

It’s often said that citizens have lost trust in their governments. But who exactly are these ‘citizens’? And which aspects of people’s contact with government agencies work better than others? These questions will be discussed at the Crafting Resilience conference (working language is English) on…

It was a remarkable trend in 19th-century London: middle-class bourgeois bohemians falling in love with anarchism and its assassins. University lecturer Michael Newton has been awarded a NIAS subsidy to reconstruct the lives of three of these families.

In 2022, Leiden will be the European City of Science. University lecturer Jaap de Jong has created special assignments for the journalism master's students to celebrate this: they will go into the city to visualise knowledge from the city.

Education, Research

Five projects with researchers from Leiden University have received a grant from the Dutch Research Council (NWO) to build or upgrade existing research facilities.

Arts and culture

The Caribbean as we know it today is fundamentally a product of colonial activity and globalisation. Practically everyone that inhabits the Caribbean has ancestors from different continents due to colonial activity, which profoundly affects the area to this day. Caribbean writers, both in the Caribbean…

In 2022, every euro in the Netherlands lost about 10% of its value, price increases comparable to the stagflation period of the 1970s. In the same year, the value of the Argentine peso halved, while prices in China only rose by 2%. How well do we understand the economic mechanisms behind inflation?…

Education, Organisation

Dutch politics is becoming increasingly polarised, and forming stable governments seems more difficult than ever. In the heat of the election race, a psychologist and a historian offer cool-headed advice.

Teachers at Leiden University are experts in their field and passionate about educating students in their discipline. It is also important that they can work effectively as a member of a team, together with colleagues and students, and that they feel committed to our organisation. We will therefore…

Fewer CO2 emissions, less airborne viral transmission, and a more sustainable form of food production: seven consortia of researchers and societal partners will put a budget of 32 million euros towards developing technological innovations. Important Leiden research on circular electronics by Prof. Dr.…

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.

Ten years ago, a new reward system was introduced in Dutch prisons: the only way prisoners could earn extra ‘freedoms’ was through good behaviour. Jan Maarten Elbers concludes that this system does little to encourage behavioural change and can even be counterproductive.

The author Manon Uphoff from Utrecht will be Leiden University’s new ‘writer in residence’ from autumn 2025. As the writer in residence, Uphoff will contribute to several courses on writing offered by the BA Dutch Language and Culture programme.

On Wednesday 27 September we will be holding a debate for students and staff on our links with the fossil fuel industry in relation to the topic of sustainability. All students and staff of the university are cordially invited. If you’re still not sure about whether to attend, these four questions and…

The Royal Netherlands Academy of Arts and Sciences (KNAW) has elected 16 new members, including two academics from Leiden: internist-infectiologist Meta Roestenberg and Arabist Petra Sijpesteijn.

Scrap the radical cuts to research and teaching. This was researchers and students’ message to government at the opening of the new academic year. Various speakers in Leiden’s Pieterskerk highlighted the importance of science for society.

Mozambican politician and child rights activist Graça Machel speaks October 27 at Leiden University about her work.

What if you get excluded? Are apps against fear and stress effective? How do you keep your brain in shape? The first season of the new podcastseries ‘BreinGeheim’ is about the social contexts of adolescent development and how teens become resilient individuals. Leiden-based behavioural scientist sit…