Evolution is all around you every day. This is the message of a Massive Open Online Course (MOOC) of Leiden University and Naturalis that is offered free of charge to anyone interested.

Two Leiden researchers have been awarded ERC Proof of Concept grants. These grants, each worth EUR 150,000, will help the grantees in their efforts to bridge the gap from basic science to real-life applications

The tuktuk of the European City Of Science Leiden 2022 sent science on its way to the neighbourhood. In the town center of Oegstgeest, the Empathy Team, consisting of Liesbeth van Vliet, Hinke Hoffstadt, Yvette van der Linden and Jenny van der Steen, took interested visitors on a journey into the experience…

Leiden University is organising two international conferences on security from 7 to 10 November in The Hague. Power relations, negotiating with extremists, cyber espionage, and the experience of a real crisis situation are some of the issues on the agenda. The conferences will be opened by Mayor Jozias…

The housing crisis is affecting a substantial group of Dutch citizens and is one of the main election themes this year. How did things get this far and what should the new cabinet do in the coming four years to address the problems? Three Leiden researchers give their answer.

How do Nepalese exiles in England celebrate their festivals? What are North Korean monuments doing in Zimbabwe? The ‘Heritage on the Move’ exhibition shows what happens to cultures under the influence of migration. From 3 December to 7 January in Leiden University's Oude UB.

This year four research trainee projects were approved by the faculty to be carried out at the Institute for History this semester.

Interdisciplinary cooperation between public and private actors is of vital importance for facing contemporary security and global affairs challenges. This was the main conclusion of two conferences hosted by the Institute of Security and Global Affairs of Leiden University from 7-10 November 2016.…

This week we welcomed a high-level delegation from the Dutch Research Council (NWO) and the National Natural Science Foundation of China (NSFC) to Leiden’s Institute of Environmental Sciences (CML).

Leiden University, Delft University of Technology and Erasmus University Rotterdam are important players in the world of self-learning machines that can work together with people. Moreover, the three have close ties in the field of AI and hope to further strengthen this collaboration in the future.…

What is freedom worth in times of hunger? ‘Beleg’ is a modern interpretation of Lucretia van Merken’s 1774 play. With five performances in Leiden’s Schouwburg theatre, the play is a prominent part of the Relief of Leiden celebrations, and Leiden alumni are playing a big role. Take a look behind the…

How can we guarantee the safety of the crown witness scheme for both crown witnesses and lawyers? How can we ensure that online conversations between lawyers and their clients remain confidential? And what are the risks of extra secure communication tools?

A beautiful speech by vice-dean Bart de Smit, a mini-lecture on exoplanets and the presentation of three faculty awards. That's how we started the new year at the faculty. Together with colleagues and students, we raised our glasses to a new year full of great collaborations, science and education.

For too long the Dutch collective memory has judged the Jewish Council too harshly. This perspective needs to be adjusted, Bart van der Boom argues in his new book ‘De politiek van het kleinste kwaad’ (lit. ‘The Politics of the Lesser Evil’).

Since the invasion of Ukraine in 2022, Russia has been conducting a covert sabotage campaign against Europe. The ‘Bewaken en Beveiligen’ (Surveillance and Security) project team at Leiden University has investigated the scale of these operations and compiled its findings in the report Russian Operations…

Video conferencing from your sitting room and algorithms on social media that know your interests: new technology is an increasingly integral part of our lives. At the same time there is a growing call to protect our privacy, and this is causing friction, at the University too. In part because of the…

Now that the Herta Mohr building is fully operational, construction work is moving to the other side of the University Library. Over the coming years, the former Matthias de Vrieshof will be transformed into the Aleida Nijland building. Architect Bart van Kampen tells us more about the plans.

At one time, the railway from Kimberley to Kambove in Southern Africa symbolised prosperity and progress. Today, the exhausted mining towns along its route are marked by decay and pollution. Professor Jan-Bart Gewald has been awarded an NWO L grant to investigate the long-term global consequences.

More than half of the Indonesian population lives in cities. What does this mean for public health? How sustainable are these megacities? This is the subject of the ‘Urban Transitions’ Summer Academy on West Java. This summer course is also the kick-off for a renewed interdisciplinary partnership…

After its highly successful first two editions in 2024 and 2025, we are delighted to announce the third Leiden eLaw Summer School from 22 to 26 June 2026, both in person in Leiden and online. This year’s theme is ‘The EU Digital Omnibus – Streamlining Rules, Sacrificing Standards?’

Alumnus Théo Pavlović received the Master's Speckmann award for his thesis: PAN RECORDS - A digital journey through the ethnic music niche that was supervised by Bart Barendregt. This price is awarded to the best fieldwork reports for ethnographic fieldwork. It includes a certificate and a prize of…

From Jan. 24 until Jan. 26 the 11th annual conference on Computers, Privacy and Data Protection (CPDP) takes place in Brussels. The Leiden Center for Law and Digital Technologies (eLaw) will be represented in several of the panels at the conference.

Prof. Dr. Jasper Knoester has been reappointed by the Executive Board of Leiden University as Dean of the Faculty of Science. His second term will run until 1 January 2030. Knoester’s reappointment has broad support within the faculty. His approachable leadership style and people-focused approach have…

eLaw, Center for Law and Digital Technologies of Leiden University, invites you to contribute a chapter in a book on law and artificial intelligence (AI).

On Thursday 7 and Friday 8 December 2017, Leiden University’s Hazelhoff Center for Financial Law and the European University Institute in Florence jointly organized a PhD workshop in Leiden.

Francien Dechesne, Associate Professor of Ethics and Digital Technologies, has been appointed by the Tilburg School of Humanities and Digital Sciences of Tilburg University as Professor to the endowed chair of ‘Data and AI for the Rule of Law’, effective 1 November 2025.

Leiden University researchers have discovered by chance a note from 1783 in Papiamento. They are working on a linguistic study on confiscated Dutch letters. The ‘Letters as loot’ project is headed by Professor Marijke van der Wal.

The European Commission sees increased labour migration as a solution to the growing personnel shortages, but the Dutch Labour Inspectorate argues that this is not a tenable business model. Professor of Economics Olaf van Vliet discusses the advantages and disadvantages of labour migration for the economy…

The red carpet treatment of expats, terrorism studies and women professors who took over the Senate Chamber. These are the best read articles of 2018.

Researchers of the faculty of Governance and Global Affairs work on very different research topics. However, there's a clear common ground in all of their work. You will find out more in our new booklet.

On Wednesday 25 January 2017 Esmeralda Vergeer will defend her doctoral thesis Regeldruk vanuit een ander perspectief (Regulatory burden from a different perspective). The defence will start at 16.15 hrs, at the Academy Building of Leiden University, Rapenburg 73. The supervisor of the research is Professor…

As partner within the EuDEco-poject, the Centre for Law and Digital Technologies (eLaw) organized a panel titled “Filling accountability holes in algorithmic networks” as part of the 11th annual conference on Computers, Privacy and Data Protection (CPDP), January 24-26 2018 in Brussels.

The trial of Dutch rapper Ali B is receiving massive media attention. Party due to himself, the trial can be followed by the public. How will this affect the upcoming verdict? Dutch newspaper ‘De Volkskrant’ spoke to legal scholars and experts including Jan de Keijser.

On October 14, the first symposium of the university-wide initiative SAILS took place. Scientists from Leiden University and other Dutch universities came together to share their enthusiasm and expertise in the field of Artificial Intelligence in a festive symposium, in the atmospheric Museum of Eth…

Out of fifteen Senior Teaching Qualification certificates (SKO) awarded by the University this year, four go to the Faculty of Science. With congratulations from Rector Hester Bijl, the enthusiastic lecturers receive the certificate for their exceptional commitment, skills and impact within the Univ…

Tahir Abbas, Professor of Radicalisation Studies at the Institute of Security and Global Affairs, organised a book launch for his new book: 'Ruminations: Framing a sense of self and coming to terms with the other'. The book launch took place on Thursday 15 December at Campus The Hague.

South African professor Lungisile Ntsebeza will receive an honorary doctorate on the Foundation Day of Leiden University on Friday 7 February. Ntsebeza is an authority in the democratisation of rural South Africa and poverty reduction.

Aad van der Vaart, professor of stochastics at Leiden University, has been awarded the NWO Spinoza Prize for his groundbreaking research in statistics. Van der Vaart conducts fundamental research on models that can help, for instance, to identify genes that play a role in cancer.

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 discovery in 2001 of the importance of microRNAs turned the world of molecular biology upside down. The small particles of RNA also attracted the attention of university lecturer Erno Vreugdenhil. Vreugdenhil: ‘Within five to ten years the first microRNA-directed medicines will come onto the mar…

A special type of mirror to reflect X-rays has more possible applications than space research. Targeted radiation therapy for cancer, for example. Next to his full-time job, physicist David Girou mapped out the possibilities. He will receive his PhD on 14 June.

Light makes us flourish – in this respect we humans are just like a rose or an azalea. Light can also be used to treat people who are ill. In Leiden, Sylvestre Bonnet and Esther Habers are working – each in their own discipline – on new applications of light in a clinical context.

Although sugars are widely used in biological and medical research, their synthesis is still badly understood. Jeroen Codée has received a Vici grant of 1.5 million euros for systematically studying the production of sugars. ‘I want to genuinely understand the reactions.’

Researchers at LUMC are trying to decipher the biological clock. This knowledge can help deal with luxury problems, such as jetlag, but can also counter diseases. Molecular neurobiologist Erno Vreugdenhil explains.

With Sylvestre Bonnet, Jeroen Codée and Remus Dame, the Leiden Institute of Chemistry (LIC) will be getting no less than three new professors. Bonnet will become professor in Bioinorganic Chemistry, Codée professor in Organic Chemistry and Dame professor in Molecular and Cellular Biochemistry.

Leiden researchers found a way to measure the tiny forces exerted by pericytes, one of the most elusive, hard to research cell types, which occur in tiny blood vessels. Building on this fundamental science, researchers may eventually find treatments for medical conditions like ischaemia.

Erik Danen is the new Dean of the Graduate School from 1 January. He is a professor at the Leiden Academic Centre for Drug Research and conducts research into cancer drugs. Danen is really looking forward to it: ‘PhD candidates are a special group: that's what I like to dedicate myself to.’