The night side of exoplanet WASP-43b, to the surprise of astronomers, does not appear to contain methane. It is likely that extreme winds do not allow enough time for methane to form in detectable amounts. This is the conclusion of an international team of scientists, with Leiden and Amsterdam contributions,…

Memorandum of understanding (MoU) signed between ISGA and Fukushima University during visit in Japan

With 'The unruly reality of a new government: Navigating between networks and serving in a 'vulnerable' neighbourhood', Mony Klaus has won the FSW Thesis Prize 2023. Written as part of the Master's programme in Cultural Anthropology and Development Sociology, the thesis examines how a new government…

This week, Leiden University bade farewell to Henri Lenferink, who is retiring after 20 years as mayor of Leiden.

What if seriously ill patients do not want to hear their diagnosis? Does a clinician always need to provide a patient with all available information? Communication researcher Liesbeth van Vliet, medical anthropologist Annemarie Samuels and research intern Fiona Brosig will put these questions on open…

Egyptologist Marleen De Meyer has been appointed the new Director of the Netherlands-Flemish Institute in Cairo (NVIC). Dr De Meyer has worked for the institute, which promotes Egyptian, Dutch and Flemish collaboration in the field of education and research, since 2016.

A standing ovation. A wave and a smile from the president. A final selfie. Ukrainian President Volodymyr Zelensky addressed students in the Netherlands for the first time on Tuesday morning via a livestream in The Hague. He did so in front of two packed lecture halls at both Leiden University and The…

Due to its success, the Leiden2022 Q&A has been extended and is looking for even more thought-provoking, interesting or unusual questions.

To what extent does exoplanet Proxima b resemble our Earth? And is there some form of life present? Astronomers hope to find answers to these questions with the new European Extremely Large Telescope (ELT). An NWO research grant of €18 million will allow a Dutch consortium to continue building instruments…

On 10 December, the Intelligence and Security Research Group of ISGA had the honour of hosting Vice Admiral Peter Reesink for the inaugural Arthur Docters van Leeuwen Lecture.

As part of the LIAISON Research Project, Eduard Fosch-Villaronga and Hadassah Drukarch organised a workshop at the European Robotics Forum (ERF 2021) to engage the broader community in the projects’ goal of liaising robot development and policymaking.

How do fats and enzymes in the brain contribute to multiple sclerosis? In his PhD research, Daan van der Vliet combined chemistry and neuroscience to gain new insights into how brain disorders develop.

A research team from the Institute of Security and Global Affairs (ISGA) has received over 3 million euros in funding from the Knowledge Centre Surveillance and Protection, a partnership between the Dutch National Coordinator for Counterterrorism and Security, the Public Prosecution Office, the police,…

In its Strategic Plan Leiden University sets its direction for the coming years. A new plan will be presented next year, and in the runup to this we are organising different forms of student and staff consultation within the scope of LDN FWD (‘Leiden Forward’). A series of meetings were recently held…

Laura Kamsma, Head of the International Office of our Faculty kept a travel log during her visit to the EAIE conference. You can read her report here.

What with coronavirus, the American elections and the Brexit botheration, we had almost forgotten that something miraculous happened in 2020: the repressed people of Belarus rallied against dictator Alexander Lukashenko, who has been in power for 26 years. Months later, what remains of the protest?…

The two instruments of ESA's space telescope Euclid have taken their first test images. The first images indicate that the space telescope will achieve the scientific goals for which it was designed - and possibly much more. Euclid will create a 3D map of a third of the sky, allowing scientists to study…

Master’s student in Company Law Jelle van der Werff left for Melbourne in February 2025 for a six-month exchange. It turned out to be a great opportunity: ‘Getting to know so many different cultures in one place is really special.’

Lara Ummels came from Maastricht to study law in Leiden, and never left. She recently joined the board of the 3 October Association.

On January 7th Minister van Engelshoven of Education, Culture and Science of The Netherlands announced that the project Island(er)s at the Helm: Co-creating sustainable and inclusive solutions for social adaptation to climate challenges in the (Dutch) Caribbean is one of two projects awarded with funding…

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

On Wednesday 5 November, Jasper sets off on the annual study trip for the Board of Deans together with the Executive Board. Because of budget cuts, they’re staying a bit closer to home this year. But that doesn’t make the trip any less enjoyable — as you’ll read in this column.

Psychologist Bernou Melisse was shocked at the long waiting lists in the Netherlands for people with binge-eating disorders. The problem was not yet on the map in Saudi Arabia. She therefore decided to study how people suffering from binge eating can be helped better in their own region of the world.…

Healthy communal meals that also prevent food waste. On 4 March, Hague alderman Robert Barker came to see what was cooking at the LUC Community Kitchen, a partnership between students and The Hague Market.

The Clingendael Institute welcomes first-year MIRD students of the 2025-2027 cohort in an exclusive welcome event. Students explore internships, panel discussions, and electives on global politics, diplomacy, and climate advocacy, gaining both academic insights and practical experience.

Research on flora and fauna with attention for economic interests and partnership with the local population. This is all bundled in a cooperation programme of the Anton de Kom University of Suriname and Leiden University. Working together on the basis of equality is key. ‘A thorny challenge, but one…

An international team of astronomers including Leiden professor Ewine van Dishoeck has observed the benzene molecule (C6H6) in a planet-forming disk around a young star for the first time. The observations tell us more about the forming of planets in this disc, like our own Earth. The scientists publish…

Not all students spend the holiday season with family or friends. That is why the university is organising the fifth edition of the Winter Weeks this year. The goal remains unchanged: to offer both international and Dutch students who stay in Leiden or The Hague during the Christmas break a warm and…

Lecture

Community Meet-up & Networking

webinar

Lecture, Book talk

Arts and culture

Exhibition

Conference, Seminar

Als nieuwe hoogleraar Ontwikkelingspsychologie pleit Anna van Duijvenvoorde voor meer samenwerking in de wetenschap. Daarom moedigt ze jonge onderzoekers zich aan te melden bij een netwerk. ‘Het biedt je een bredere blik op de wetenschappelijke wereld.’

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.

Alumna Nadia Kadhim started in 2017 as a corporate lawyer implementing the General Data Protection Regulation (GDPR) at one of the companies where she volunteered. By late 2022 she had received both a Most Inspiring Women in Cyber Award and was on the Forbes 30 under 30 list with her legal start-up…

Working towards a more inclusive and diverse society, next to your studies. Humanities students Aline-Priscillia Messi and Ruşen Koç devote a considerable amount of hours to this every week. Now they have been nominated for an ECHO Award.

At the age of six, Barbara Gravendeel already knew what she wanted to be: a biologist. The seed was planted in the garden of her childhood home: an old orchard surrounded by a large hedge. Since 1 May, she has been the scientific director (prefect) of the Hortus botanicus in Leiden, and all the pieces…

An impressive speech by Dean Jasper Knoester, a lecture by top researcher Mario van der Stelt about brain messengers, and the presentation of the faculty awards. 2025 begins on a hopeful and festive note, with a toast to a year of fruitful collaboration within and beyond the faculty.

LUNHA strives to redefine global health by prioritizing justice, fairness, and inclusion in Africa. Through collaboration with diverse stakeholders, LUNHA aims to reshape global health research and foster a broader engagement with social sciences and humanities.

Professor Bussemaker and Professor Koenders draw lessons from the handling of the current corona crisis. In a blended guest lecture with some 60 students in Wijnhaven and some 250 online participants, they entered into a discussion led by Willemijn Aerdts. The guest lecture took place on May 25.

Over a period of seven years, researchers from the International Brain Laboratory mapped 279 brain regions at the cellular level. Their findings are now published in Nature, with both data and software openly shared. Cognitive neuroscientist Anne Urai: 'Any researcher with a good question can make use…

The Netherlands-Flemish Institute in Cairo (NVIC) is celebrating its 50th anniversary this year. Thousands of students and researchers from eight partner universities in the Netherlands and Flanders have been able to gain valuable experience in Egypt through the institute. Good reason for a celebrat…

On 16 May, three researchers from Leiden University will present their findings on the democratic consequences of decentralisation at a workshop in Leiden. Their research project, Downsize My Democracy?, shows that decentralisation does not automatically lead to a stronger democracy. On the contrary,…

On 4 December Professor Emile van Rouveroy van Nieuwaal passed away. Van Rouveroy van Nieuwaal worked at the African Studies Centre from 1967 to 2002, when the ASC was not part of Leiden University yet. He became professor by special appointment at Leiden University on behalf of Leiden Law School in…