How can we supply the growing world population with sustainable energy? At Laurens College in Rotterdam, Prof. Marc Koper speaks with the students about the crucial role of chemistry in the energy transition. Guest classes like this are a good way for school students to learn about the academic world,…

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…

Gerard van Westen has received the KNCV Gold Medal, the most important Dutch award for chemists under 40. 'It's a huge honour,' says the professor of AI and medicinal chemistry. 'I am now part of the group of people I was always impressed by.'

Als universitair hoofddocent Ethiek en Digitale Technologie is zij verbonden aan het centrum voor Recht en Digitale Technologie (eLaw) waarvan ze ook hoofd onderwijs is. Daarnaast is Francien initiatiefnemer en coördinator van de universiteitsbrede minor AI & Society en neemt ze deel aan de universitaire…

Research Master’s students in Archaeology Rosa Seepma and Aida Tadesse received an Incentive Prize from the Dutch Association for Physical Anthropology (NVFA). They were awarded this honor for their ongoing study on the human osteology collection at the Allard Pierson Museum.

Leiden University has recently received various petitions from students and staff concerning our ties with Israeli universities. We have also held extensive discussions with the University Council in response to questions raised on the subject. We think it important that our partners and research projects…

On Friday the 5th of November, members of the CADS Institute engaged in a lively roundtable lunch discussion on navigating boundaries in ethnographic fieldwork. The roundtable was intended to share experiences and open up questions about navigating proximity and distance when engaging in research relationships.…

At the start of his PhD, intelligence analyst William Lippert didn’t yet know what to expect. Little had been written on the subject. Three years later, he is sure: conventional arms control agreements promote peace.

Stories of resistance in the Second World War are widely covered in Dutch historiography: Hannie Schaft, Erik Hazelhoff Roelfzema, and Professor Cleveringa are some of the best known. But these accounts largely focus on the Dutch domestic perspective. On the other side of the world, a complex colonial…

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

Nerve pain is one of the most common side effects of chemotherapy. It is therefore one of the biggest reasons for cancer patients to stop treatment early. Darcy Reynolds worked on new drug candidates against this pain during her bachelor's thesis. She developed a new series of molecules that increase…

Grégory Schneider has been appointed Professor of Chemical Nanotechnology at the Leiden Institute of Chemistry (LIC) as of 1 May. ‘This title really expresses my dedication to science and teaching.’

It was challenging to get civil servants from the first Trump administration to speak about their work experiences, but sociologist Jaime Lee Kucinskas succeeded. The picture that emerged from her findings, she says, is far from positive. 'The more I spoke with them, the more emotions I saw. They were…

Technology and privacy, trust and mistrust. A discussion about this broke out when the University installed scanners and students protested. On Wednesday 2 February experts from Leiden University will explore this topic at the eponymous symposium. We called Roy de Kleijn, as a computer scientist and…

Conference

From 13 to 24 June 2022, the Summer School on the European Union, the United Nations and Global Governance, supported by the Erasmus+ (Jean Monnet) Programme was held for the second time.

The first global safety summit on Artificial Intelligence is a fact. Prime Minister Sunak organised the conference because he believes that the issues related to AI can only be dealt with by governments. But the real issue with AI remained undiscussed at the summit, Reijer Passchier claims in Dutch…

It is almost two and a half years since Russia invaded Ukraine, but the conflict between the two countries has been going on for much longer. Central to it is the question of what it means to be Ukrainian. Guest researcher Viktoriia Ryhovanova teaches a course on the subject. Last academic year, the…

Researchers from Leiden University have developed a method to predict which sellers will be successful in illegal online marketplaces. This could help the police track down big players on the dark web, the hidden part of the internet.

Last week, Joris Larik, Assistant Professor of Comparative, EU and International Law, was mentioned in an article by Euronews about the SWIFT ban.

Applications are now open for the Summer School ‘The European Union, the United Nations and Global Governance’ (12 - 23 June 2023) for Master-level and PhD students. The activity is supported by the European Union’s Jean Monnet programme (Erasmus+).

Writing a master’s thesis in Political Science is a demanding yet rewarding journey. Every year, students deliver impressive research that showcases their analytical skills and academic rigor. This year, one thesis stood out for its exceptional quality. On 31 October 2025, during the master’s graduation…

He had been emeritus for 13 years when he suddenly received an email from Poland. Professor of Inorganic Chemistry Jan Reedijk was awarded an honorary doctorate from Nicolaus Copernicus University in Toruń. During the celebration of the 550th anniversary of the birth of patron Nicolaus Copernicus,…

Leiden students are producing ‘College Tour, the podcast!’ with TV presenter Twan Huys. In next to no time, they have to find top journalists and prepare hard-hitting interviews. We take a look behind the scenes.

The one-day symposium ‘War in Europe: the impact of Russian aggression in Ukraine two years on’ on 23 February 2024

The question of land property titles is a common source of conflict between indigenous communities and federal authorities all over the Americas. A new Panamanian law have led indigenous communities to reach out to archaeologist Dr Natalia Donner. A grant from the Centre for Indigenous American Studies…

How many children are born with the help of a surrogate mother in the Netherlands, and which legal obstacles can arise? Through a new interdisciplinary study, researchers at Leiden University are attempting to provide clarity about surrogacy processes.

In September, the LeidenGobal seminar series ‘Beyond Discipline and Place in the Social Science and Humanities’ will kick off. The series, targeted at PhD’s and Research MA students, engages with the question what it means to be an interdisciplinary researcher. “These seminars can help you define your…

We are pleased to announce a groundbreaking research study delving into crucial aspects of safety and responsibility in the domain of personal care robots, explicitly focusing on robotic lower-limb exoskeletons.

Dorota Mokrosinska has been Professor of Practical Philosophy since September. High time for a brief introduction about her field and academic interests.

The universities of Delft, Leiden and Rotterdam are working together to show their students what artificial intelligence (AI) means for their own field. Three AI minors will start in the 2022 – 2023 academic year and will answer questions such as: ‘How best can you use AI in your research discipline?’…

The Dutch police face complex challenges, from organised crime and polarisation to digitalisation and new forms of crime. To deal with this effectively, they need innovation and intensive collaboration, says Professor by Special Appointment of Police Studies, Monica den Boer, in her inaugural lectur…

A CT scanner to treat eye cancer, energy-efficient software for the future and a test to identify male chick eggs. Three projects by researchers from Leiden University are to receive funding from research funder NWO’s Open Technology programme, to which the business sector also contributes.

How do we prepare for the impact of new technology that promises to make our systems more powerful and faster than ever? At the Quantum & Law Conference, experts showed that quantum technology raises new legal and ethical issues.

Professor Marc Koper researches how you can use electrical energy to make or break chemical bonds. He has just been awarded a Spinoza Prize, the Netherlands’ highest personal science award, for his fundamental research into how this form of electrolysis works.

An Honours Class about the ostensibly unrecognisable worlds of insular Southeast Asia teaches students a fundamental piece of wisdom: "We do not differ much from the people at the other end of the world."

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.

Developing safer alternatives to harmful PFAS filters and seeking new enzymes for medical applications. Two projects with Leiden researchers have been awarded funding through the Dutch Research Council's (NWO) Open Technology programme.

While the Netherlands was in lockdown because of the coronavirus, PhD candidate Koen Rijpkema began his research into the same virus. In the lab, he developed molecules that can inhibit an important viral enzyme.

Andreas Häuselmann and Eduard Fosch-Villaronga from eLaw - Center for Law and Digital Technologies wrote an article on the legal and regulatory aspects of emotion data and presented it to the Affective Computing + Intelligent Interaction (ACII ‘23) Conference held at MIT. Andreas Häuselmann also hosted…

For conducting experiments involving animals, you need a project license and a valid research plan. On this page, you will read what this entails and how to submit these documents. You will also find other relevant information regarding conducting research involving animals here.

Research, Transferable skills

Cultural Anthropology students in Leiden are encouraged to think creatively and explore different ways of sharing knowledge, such as by producing zines. CADS graduate Dorota Olsavska combined her anthropological skills with her love for discovering little-known stories and writing, and earlier this…

As many as seven first-year students from the Faculty of Science were honoured as young talents. In addition, the Royal Holland Society of Sciences and Humanities (KHMW) also lauded three master's students and an astronomy project during a vibrant ceremony on 28 November. Professor of Science Communication…

A bacterium hiding from the immune system and picking up bits of DNA from its environment. The result: gaining new traits, such as better protection against antibiotics. Fortunately, we have not found such a damning scenario yet. However, PhD student Renée Kapteijn did find the first clues, which…

James Webb life’s building blocks