The international legal order is in a process of transformation. But how transforms globalization the international legal order? This research programme provides a clearer framework to analyze this..

Dutch doctors hold social media platform Snapchat responsible for the illegal sale of vapes, and are threatening legal action. Bart Schermer, Professor of Law and Digital Technology, spoke to RTL news: 'Snapchat is not liable for the content of its users'.

On 6 June 2023, Melanie Fink gave a ‘conférence’ at the University of Liège, Belgium in the context of its EU Studies Seminar Cycle, organised by Ljupcho Grozdanovski.

With the exodus of departing parliamentarians, which seems to have gained momentum this summer, the loss of experience in parliament after the upcoming general election in the Netherlands will be considerable. A cause for concern according to Wim van De Camp, former CDA MP, and Wim Voermans, Professor…

‘Islam and Muslims are not something that happened to Europe; they are part of Europe. In fact, Islam is one the biggest constants in European history,’ argues Professor Maurits Berger in the new eight-part History of Islam in Europe podcast series of the Leiden University Faculty of Humanities.

The project aims to explore the history of the concept “barbarism” in Europe from the 18th century to the present. Responding to the contemporary popularity of the term “barbarism” in political rhetoric and the media, and the lack of reflection on the implications and legitimacy of its use, the project…

The Hague Space Resources Governance Working Group, hosted by the IIASL, has recently agreed on the Draft Building Blocks for the Development of an International Framework on Space Resource Activities and will present the outcome of its work during the NewSpace Europe Conference in Luxembourg. The Executive…

Artist Daan Roosegaarde, together with UNESCO and Leiden University, wants to make the stars come out during Seeing Stars Leiden. The University will therefore switch off the lights in most of its buildings on Sunday 25 September from 22:00 to 23:30 and is asking the people of Leiden to follow suit.

A glittering visualisation of dark matter by Dutch artist Thijs Biersteker is on display in the Science Gallery at Trinity College Dublin. The installation – ‘Dark Distortions’ – was inspired by Euclid, a forthcoming ESA mission to study the mysterious nature of dark matter. Leiden astronomer Henk Hoekstra…

Following a series of diplomatic catastrophes and human rights violations in the country, Nicaragua has left the Organization of American States (OAS) on 19 November 2023. Unlike Brexit, where the decision to leave the EU was based on the famous 2016 United Kingdom European Union membership referendum,…

Today the Executive Board of Leiden University has appointed professor Judi Mesman as Dean of LUC from July 1st, 2016. The College Board of LUC is delighted that professor Mesman will be the next Dean of our College and would like to take this opportunity to warmly welcome her to LUC.

Dutch astronomers have measured a superstorm for the first time in the atmosphere of an exoplanet, the well-studied “hot Jupiter” HD209458b. The very high-precision observations of carbon monoxide gas show that it is streaming at enormous speed from the extremely hot day side to the cooler night side…

The Karlsruhe Bede in Context: Cod. Aug. Perg. 167 – The Making of a Ninth Century Manuscript. 6-7 February 2025

The Ocean Cleanup (TOC) recently signed an agreement with the State of the Netherlands concerning the legal status of its activities, carried out on the high seas. The Leiden Advocacy Project on Plastic (LAPP) carried out research that may have contributed to the conclusion of this covenant.

On the occasion of its fifth anniversary, the Hazelhoff Centre for Financial Law will organize a conference on ‘Public and private regulation of financial markets’ on 11 May 2017.

LUCIS is offering its members student assistance to help organize their remote teaching.

Osteoarchaeologist Rachel Schats investigates traces of malaria in old human skeletons. Even though the disease cannot be spotted directly in bone material, you may find traces of it, for example through porosity caused by anemia, linked to malaria. Rachel was a guest in the programme Science071 on…

On 27 September the European Commission informed the International Skating Union (ISU) of its preliminary view that its eligibility rules under are in breach of EU antitrust rules.

Wimar Bolhuis, lecturer in economics, has become a member of the Central Planning Committee (CPC), the independent supervisory committee which audits the work of the Netherlands Bureau for Economic Policy Analysis (CPB).

Are you passionate about sustainability? Do you see opportunities to make Leiden University more sustainable? Are you able to inspire, engage and empower students and staff to cooperate? This is your chance to contribute!

Assistant professor Rogier Creemers discusses in Times Higher Education how China’s universities and companies collaborate to advance AI.

The Sixteenth International Conference on Parallel Problem Solving from Nature (PPSN XVI) will be held in Leiden, The Netherlands on September 5-9, 2020. Leiden University and the Leiden Institute of Advanced Computer Science (LIACS) are proud to host the 30th anniversary of PPSN.

On Tuesday September 11th, the Leiden Institute of Physics (LION) organizes the third edition of its annual Science Day. Scientists from disciplines all across the physics spectrum will elaborate on their research during seventeen interactive talks. LION organizes the event to showcase the full range…

The biweekly Lunch Time Seminar is an online only event, but it is not publicly accessible in real-time. If you would like to attend one of the upcoming sessions, please send an email to sails@liacs.leidenuniv.nl.

After every attack, terrorism researchers are often asked the same question: who did it? Jeanine de Roy van Zuijdewijn, a researcher at Leiden University, doesn’t always have a ready-made answer.

An international team led by Leiden astronomers has taken the first-ever image of a young, Sun-like star accompanied by two giant exoplanets. The researchers used The European Southern Observatory’s Very Large Telescope for this, known as ESO’s VLT. Images of systems with multiple exoplanets are extremely…

The Europaeum academic community was awarded the Scaliger medal on 23 September in recognition of its promotion of academic values. Andrew Graham, trustee to the Europaeum and founder and honorary advisor to the Scholars Programme, was presented with the medal by President of the Executive Board Annetje…

In November of last year Global Interactions made offers to five out of nearly 90 applicants for our grant-writing postdocs. We are pleased to announce that all have accepted and will be joining various Leiden institutes this year. The five postdocs are Katia Hay, Johannes Müller, Maria-Paz Peirano,…

On 8 March, International Women’s Day, equal opportunities for women worldwide, empowerment, and gender equality take centre stage. For years, the role of women in the past has been nearly invisible. Four archaeologists reflect on this inequality of focus, from hunter-gatherers in the palaeolithic to…

Het strategisch plan van de faculteit wiskunde en natuurwetenschappen (FWN) werd gepresenteerd tijdens de opening van het academisch jaar 2023-2024.

Sarah van der Kwast

When professor Frank Israel graduated at Leiden Observatory some forty years ago, little did he know that one of his theories would be making headlines in 2018 - in the form of a 3D animation on the Internet, no less.

North Korean detention camps are no different from Nazi prison camps. But as long as the country remains economically isolated, international criticism will be ineffective, writes North Korea expert Remco Breuker in the opinion section of Dutch newspaper NRC on 21 February. Breuker advocates using the…

If you do research on Leidens Ontzet in Leiden, you can count on a lot of interest. But Leiden Kennisstad interns Marieke Nolten and Alexander Nuijten had not expected there would be quite so much interest. They concluded a year of research with the presentation of a scientific paper.

The academic year has kicked off—and how! On 2 September, Dr. Yves Menheere opened our year with a lecture on “The What and Why of Chinese Religions”. For keen listeners, this immediately raised the big question: which concepts should we use in the study of religion? And to all first-years: a warm w…

Book on Dutch mayors governing local order and public safety.

Cancer treatments often have an impact on people’s sexual health, but doctors and nurses do not discuss topics such as sexuality and intimacy with patients as a matter of course. This is what Esmée Krouwel, a physician-researcher at Leiden University Medical Center (LUMC), has discovered. With her research…

Using a clever experiment, PhD candidate Shengxiang Yang discovered how gold electrodes convert water into oxygen. He is the first to unravel the mechanism of this reaction. Yang published his results in the journal ACS Catalysis.

A month’s break from your studies, ten days of intensive rehearsals and then a concert tour: the Netherlands Student Orchestra is based on a simple formula. Leiden student Daphne Biron tells us about the orchestra and the concert in Leiden on 20 February.

After two years, it was great to be back in Brussels again. Many thanks to all alumni and students who were present during the academic discussion on the values and the future of the EU, followed by networking drinks.

Corona travel restrictions and increased political pressure: research into China has become considerably more difficult in recent years. University lecturer and China researcher Rogier Creemers does not let this put him off. He receives an NWO grant to screen policy documents using digital technique…

What do people wonder about on social media? University lecturer Matthijs Westera is the recipient of an NWO grant to investigate what people are curious about online.

A festive and honourable visit to our southern neighbours for professor Marc Koper. On Thursday 23 March, he received an honorary doctorate at the University of Antwerp. Koper gets the title in recognition of his expertise in the field of electrochemistry. ‘An important recognition for our research…

In the new board game Epoch – Early Inventors you explore the prehistoric landscape. You gather food and raw material to develop tools and skills, and you try to appease the gods. Dr Maikel Kuijpers was involved in its development from the start and he is very happy with the result. “There is a lot…

No less than 33 project received a Leiden Kiem grant in 2023. How did they fare? Olga Bogolyubova shares experiences from her project ‘Interdisciplinary Approaches to the Study of Safety and Danger in the Digital World’.

Art and science: are they polar opposites? The theme of this year’s Sculptures in Leiden open air exhibition is ‘life sciences’. It has resulted in many intriguing sculptures, including one that is especially endearing.

Face masks and gloves designed to protect us are, in fact, dangerous for the animals around us. Scientists from Leiden warn that throughout the world, on land and in the water, animals are ingesting corona waste, or getting entangled in it. The two biologists are asking for everybody’s help to better…

The Faculty of Archaeology's own home-grown journal Inter-Section has released a new volume. Inter-Section offers students and PhD candidates the unique chance to publish in a peer-reviewed journal. The new volume focuses on the materials that shape our world.

Matilda Siebrecht has found the perfect combination of her interests, namely experimental archaeology, and journalism. She was asked by EXARC, a foundation that aims at connecting experimental archaeology professionals, to host a monthly podcast on this topic. ‘It is called Finally Friday, airing every…

An international and interdisciplinary collaborative effort, the Honours Class ‘Sustainability Beyond Frustration: Saving the Planet as an Academic Skill’ aims to present students’ ideas to sustainability experts that know how to bring them to fruition.