The nominees for the IRO Thesis Prize 2025 and the Prof. Dr. J.Th.J. van den Berg-prijs 2025. Who authored the best thesis in Leiden University’s bachelor’s programme in Political Science?

It’s better to cut our nitrogen emissions now than to solve the consequences later at great expense. That’s the lesson we can learn from the Dutch nitrogen crisis, according to nitrogen expert Jan Willem Erisman. In Science, he shares this lesson with other countries. According to Erisman, we should…

Mark Rutte, the Dutch prime minister, gave a guest lecture to first-year law students at Leiden University. He spoke about democracy, the war in Ukraine and the role of the Netherlands.

Thomas Moerland studied medicine and mathematics in Leiden and has a lifelong fascination with the origins and workings of intelligence. He brought all that together in his popular science book Van IQ naar AI (From IQ to AI).

Some governments and companies are pursuing a more circular economy, but what is the best way to get there? An international group of industrial ecology researchers wrote a report that stresses the importance of including the scientific side into policies and practices. ‘We feel an obligation to support…

It is difficult not to feel intimidated when looking at Ebel Slijp’s Linkedin profile: with only 23 years old, Ebel has been featured in the ‘Jonge 100’ (Young 100), the ‘Duurzame Jonge 100 (Sustainable Young 100)’ and the ‘Top 25 under 25, all awarded to him for his entrepreneurial spirit. With his…

Indonesia still has a long way to go before the country can truly flourish, was the message given by Indonesian Vice President Boediono during his visit to Leiden University on 26 March. He viewed collections in the University Library and the Hortus, and was presented with the William of Orange medal…

Yung Lin’s research explores how citizens in Taiwan and Southeast Asia actively shape public diplomacy, build trust across cultures, and address identity-based conflicts, highlighting the shift from government-led to citizen-centred diplomacy.

In the summer of 2015 the former Finnish foreign minister Erkki Tuomioja, together with a group of Finnish historians, took an important initiative and established the organization Historians Without Borders (HWB).

Leiden University Academy of Creative and Performing Arts (ACPA) launches the open online course Music & Society on Coursera to advance worldwide access to high-quality education. The course starts on January 9, 2017 and will be taught by Prof. dr. Marcel Cobussen and drs. Hafez Ismaili M’hamdi.

Struinen in het historische centrum, de faculteit ontdekken en natuurlijk chillen aan het strand. Honderden eerstejaars leren in de HOP-week elkaar en hun nieuwe stad kennen. Voor veel studenten is de week een 'gamechanger'.

A series of upcoming activities by PhDArts co-director Janneke Wesseling, docARTES researchers Bobby Mitchell, Giuliano Bracci, and Dick de Graaf, and PhDArts researchers Brigitte Kovacs, Danne Ojeda, Jack Segbars, Mikala Hyldig Dal, Ato Malinda, and Thalia Hoffman

The norms, institutions and power relations that have defined the last decades of international political and economic relations in the European Union are undergoing major transformations. With the return of competition between great and ambitious powers, like the US, China, EU and Russia, the need…

Nathaniel Martin, Professor of Biological chemistry, wondered what would happen if you take an antibiotic that has been known for 70 years and try to improve it with the latest tools of modern chemistry. Turns out it can become up to a hundred times more potent and prevent the growth of some drug-resistant…

The United Nations (UN) made history in October 2000 when Resolution 1325 on Women, Peace, and Security (WPS) was unanimously adopted.

On 22 April 2016, the Social Justice Expertise Center (SJEC) hosted the first global conference for international labour law judges and other adjudicators themed ‘Ensuring Coherence in Fundamental Labour Rights Case Law: Challenges and Opportunities’ at the Academy Building of the University of Leid…

Activities of Heloisa Amaral, Henri Bok, Jonas Staal, Bobby Mitchell, Danne Ojeda, Dick de Graaf, Niels Berentsen, Madga Pucci, Andrea Stultiens, and Eleni Kamma

This week, around 1,200 brand new students from 68 different countries are getting to know each other and their new student city. Orientation Week Leiden (OWL) got off to a good start on sunny Lammermarkt, which was packed with enthusiastic internationals.

PhD candidate Julia Wąsala searches for greenhouse gas emissions in satellite data. As a computer scientist, she bridges the gap between computer science and space research. ‘We really can't do this research without collaboration.’

Alumnus Ben Smulders has worked for the European Commission for the past 33 years. ‘The discipline and depth that I experienced during my student days has helped me through various stages of my professional career.’

In 2019 the ENIS Spring School takes place in Granada from 18 March until 22 March 2019. The Spring School will be organized by ENIS (the European Network for Islamic Studies), consisting of: CNMS (Marburg University), CSIC (Institute of Languages and Cultures of the Mediterranean and Escuela de Estudios…

Leila Zerrougui (born in Algeria 1956) is a legal expert on human rights, justice, and rule of law. She is the current Special Representative of the Secretary-General and Head of the United Nations Stabilization Mission in the Democratic Republic of the Congo (MONUSCO). Before she was Special Representative…

A delegation from Leiden University is visiting Brazil from 14 to 18 March. The first day of the visit was spent with scientists in São Paolo.

Leiden University turned 444 this year, and we are celebrating this milestone with the residents of the two cities in which we have a presence: Leiden and The Hague. Mayor Pauline Krikke explains what 20 years of Campus The Hague means to her city.

What do we need to do for Leiden University to become a truly inclusive institution, where everyone feels at home and has equal opportunities? This is the key question at the annual symposium on diversity and inclusiveness on 1 December. If you would like to put your views, sign up now!

Starting as an MP during the Covid-19 pandemic and after the recent ‘role elsewhere’ debacle during the coalition talks for a new Dutch government, alumna Mariëlle is looking forward to making a real contribution in society.

Famine, bombing of civilians and the almost complete destruction of Gaza. The world looks on at an unfolding humanitarian disaster. Why have our international organisations failed to prevent this tragedy? An interview with Professor Jan Aart Scholte, an expert on globalisation and global democracy.

This week the regional court in The Hague gave a ruling that has attracted international attention. The State of the Netherlands (Ministry of Social Affairs) was taken to court by two famous writers, Wieringa and Februari, several NGOs and a trade union.

For the next couple of years, Joris van der Voet, Associate Professor and researcher at the Institute for Public Administration will be heading a research project on top-level bureaucrats and how they go about making choices and prioritizing issues. He has been awarded a Vidi grant by the Dutch Research…

On Prinsjesdag, 16 September 2025, the Faculty of Governance and Global Affairs (FGGA) opened the new faculty year with a reception at Wijnhaven. The opening was dedicated to the university’s lustrum theme: ‘Ahead of Time’.

What does it mean to be the ‘perfect student’? This is the focus of the Perspectify exhibition, which was opened on 16 November by President of the Executive Board Annetje Ottow.

A basic income would not necessarily mean that people would work less. This is the conclusion of a series of behavioural experiments by cognitive psychologist Fenna Poletiek, social psychologist Erik de Kwaadsteniet and cognitive psychologist Bastiaan Vuyk. They also found indications that people with…

President Putin will be officially opening the Netherlands–Russia Year on 8 April in Amsterdam. Leiden Slavist Sjeng Scheijen was responsible for putting together the cultural programme. How much freedom did he have in doing so? ‘The Dutch photography project on the demolition of Sochi districts was…

The 22nd of march 2023, political scientist Lukas Spielberger will defend his dissertation ‘Lessons from Europe for the study of international bank cooperation’. He wrote his thesis about the cooperation of central banks during international financial crises: ‘central banks pay more attention to shared…

The Casimir Research School and the Graduate School Experimental Plant Sciences will be participating in the first Graduate Programme. This was announced on Wednesday 12 August by Minister Plasterk (Ministry of Education, Culture and Science). Leiden University is a partner in both schools. Nine Dutch…

Americans are electing a new president in November but they also have other choices to make in the polling booth. Alumnus Sanne Rijkhoff works at a Texas university and is trying to help make students more aware of the elections.

On 1 July – Keti Koti, in the year ahead, our university community will be able to reflect extensively on the history of slavery by engaging in research, education and many other activities.

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…

No matter how hard Chinese communists tried to control the economy, they could not stop the free market from flourishing. This was the message given by historian Frank Dikötter on 7 February during a lecture on the Cultural Revolution. He will be awarded an Honorary Doctorate on 8 February.

Indigenous philosophies have been ignored for too long. This prompted Osiris González Romero to study the wisdom of the Nahua in Mexico. Their philosophy has an important message for the consumption society: see the earth and nature as living beings and not just as resources. PhD defence 22 June.

A sense of security plays an important role in the decision to contribute to nature conservation. Stacey Mac Donald conducted four years of research on the influence of social and political changes and the (post) colonial context on nature conservation in the Dutch Caribbean. On 17 May she will defend…

Just a stone’s throw from Binnenhof, the heart of Dutch politics, Spui Campus will open its doors in early 2026. Join us for a sneak preview.

Opening ceremony Advanced Master programmes

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

Leiden physicists Carlo Beenakker and Bas Hensen receive 35 million euros in a consortium with researchers from QuTech and Delft University of Technology. They will investigate the fundamental limits of quantum physics.

Alumnus Stan van Haasteren went to Northern Ireland in 1995 as a freelance journalist with a guitar strapped to his back and recently wrote a book about his experiences in Belfast. ‘The big difference with then is that today there is no more violence. But it's still a divided city.’

An international team of researchers, including Federico Calle-Vallejo of Leiden University’s Institute of Chemistry, have taken the atomic-scale design of catalysts to the next level. Their research contributes to the quest for a method to generate or store energy more efficiently. The report is published…

Better health for all the residents of The Hague region. This is the mission of Health Campus The Hague – formerly LUMC Campus The Hague. Eight partners – the LUMC, Leiden University, the municipality of The Hague and five healthcare institutions (see box) – are collaborating intensively in healthcare…

From March 2023, political scientist Katharina Natter (Leiden University) will lead part of an ambitious project called PACES, funded by Horizon Europe and coordinated by Simona Vezzoli (ISS). PACES is an innovative, inter-disciplinary and multi-level research project that offers a groundbreaking approach…

During the Cold War, 35 states sat down at the table and negotiated for three years – with results. Lecturer Kai Hebel sees the Helsinki Final Act (1975) as the inspirational example of successful negotiations between hostile states.