‘The Oscars of the natural sciences’, is what they are called: the Breakthrough Prizes awarded annually in America by the Breakthrough Foundation. Part of this are the New Horizons prizes for early-stage researchers. Sebastiaan Haffert, researcher at the Observatory, is this year's winner.

With support of several publishers and private foundations, Leiden University Libraries (UBL) and the Scaliger Institute welcome around 15 to 20 Fellows and guests per year to consult and research materials from our Special Collections. The Scaliger Institute received many applications this year from…

On March 16 students and alumni of the Advanced LLM in European and International Human Rights Law were brought together in an online Zoom event organized by our programme coordinator, Mahshid Alizadeh, and head of the LLM, Rick Lawson.

I am a Lecturer in Contemporary Military History and Security Studies, teaching in both the History and International Relations programmes here at Leiden. I grew up in Yorkshire, England and was interested in history and international politics from a young age. In 2003 I went to the University of Cambridge…

Three of the four Heineken Young Scientists Awards for 2022 have gone to researchers from Leiden: chronobiologist Laura Kervezee, physicist Jordi Tura i Brugués and health psychologist Liesbeth van Vliet.

In the context of Panama’s independence month, the Panamanian Embassy in the Kingdom of The Netherlands decided to recognize Natalia Donner’s contributions to the study of Panamanian history and culture, as well as her role in a massive repatriation project.

Organisation, Social

Cognitive psychologists Eliska Prochazkova and Mariska Kret from Leiden University have won an Ig Nobel Prize for their research into the romantic click between people. They discovered that attraction between people can be predicted by synchrony in heart rate and skin conductance.

Rose Vossen has been named winner of the Young Star Award 2021. The Life Science and Technology student received the award on Monday from Ewine van Dishoeck, the founder of the award. Vossen wins a cheque for 2,500 euros for her exceptional results as a bachelor's student. During her final bachelor…

A team of students from Leiden won the iGEM international biology contest in 2020 with their Rapidemic mobile testing kit. The kit makes it easy to detect viruses. The team has now been nominated for the Most Innovative Student in the Netherlands prize. Cast your vote and help them develop their inv…

Excessive regulatory burden causes economic harm and can undermine trust in government. Policymakers wishing to ease this should be more mindful of people’s differing responses to rules, says PhD candidate Ritsart Plantenga in his dissertation.

Subtle changes in eye appearance can influence how people perceive others and affect their generosity. Articles from PsyPost and The Washington Post highlighted two experimental studies in which psychology researchers from Leiden University, including Mariska Kret, explored this phenomenon.

Eight early-career researchers from around the world have been awarded a 51 Pegasi b Fellowship – a prestigious opportunity for astronomers. Julia Santos, a PhD candidate at Leiden Observatory, is one of them. We asked her four questions about this remarkable fellowship.

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…

LION

Since 1 November 2025, Prof. Dr. Luc Sels has been the new president of Leiden University's Executive Board. In a message to our university he introduces himself and shares his first impressions.

A new study reveals how ancient Chinese farmers managed soil fertility and water resources over thousands of years. By analyzing carbon and nitrogen stable isotopes in millet crops, the research provides long-term isotopic evidence of farmland management practices in the Guanzhong Basin—the political…

Leiden University Libraries (UBL) has acquired a rare manuscript map of Suriname. The map from 1830 is almost 2.5 meters long and is highly detailed. It was hand-drawn by Helmuth Hendrik Hiemcke (1808-1858), one of the official surveyors employed by the colonial administration, and shows Suriname in…

For nine years, Mirjam de Baar was vice-dean at the Faculty of Humanities. On Monday 17 March, she took her leave in the Academy Building. ‘You have worn out two deans, two vice-deans, four business managers and six assessors.’

Looking for a great meal at a sustainable restaurant? Since Monday 2 September, you can visit restaurant De Schotel in the Lecture Hall Building. This renovated space offers a unique combination of comfortable study areas, a no-internet zone, and a wide selection of delicious food and drinks.

Leiden psychologists Janine Westendorp and Liesbeth van Vliet have investigated types of communication that seriously ill patients may experience as harmful. The results of this research were published in the American journal Cancer. And the results have now also been published as a poster for education…

LUC The Hague is recognised as a national Top Programme, reflecting a vibrant learning community where curiosity, academic excellence and global engagement come together.

‘It truly is a plan by and for us all,’ said Annetje Ottow, President of the Executive Board, at the Dies Natalis celebration on 8 February. Leiden Law School was also actively involved developing in the strategic plan.

Assistant Professor Juan Masullo of the Institute of Political Science has been awarded the 2025 Alexander George Best Article Award for his work on interviews and process tracing.

Is your strategic vote actually strategic? How can the Netherlands form a stable government? And what should the next government do about migration, defence and the housing crisis? This is what our experts have to say.

Veel Nederlanders hebben fysieke, psychische en sociale problemen tegelijk. Zij hebben hulp nodig van meerdere professionals uit verschillende organisaties. Fia van Heteren onderzoekt hoe deze professionals met elkaar én met cliënten samenwerken, en welke factoren deze samenwerking versterken of bel…

The governance structure of Campus The Hague (CDH) will be altered. This has been decided in consultation with the University Council, which issued a positive recommendation about this.Ton Liefaard and Jan Crijns will become the joint holders of the CDH Education portfolio, and Rolf Oosterloo will become…

Dr Maikel Kuijpers, a staff member at the Faculty of Archaeology and a guest researcher at the Centre for Environmental Sciences (CML), is participating in an exploratory interdisciplinary study on the Chinese Belt and Road Initiative (BRI). Made possible by a Seed Fund of the Leiden University Global…

A fresh semester means a fresh faculty calendar. There is plenty to do at the faculty again in the coming months. Five interesting activities are listed below.

Arnold Tukker has been appointed as distinguished visiting professor at Nanjing University in the field of industrial ecology.

Leiden University is going to partner with the Asian Development Bank, a bank committed to regional development. President of the Executive Board Annetje Ottow signed a memorandum of understanding on this unique partnership in Manila on 27 April.

The Indonesian government has been trying to enforce marriage and divorce laws for some time. These efforts are encountering resistance from both local communities and the Indonesian Supreme Court. PhD candidate Al Farabi investigated where this resistance comes from.

Hwæt! You've heard of the adventures of the mighty Beowulf. You've heard of the brave folk standing beside him, and the awe-inspiring foes standing against him. But where their legend still lives, their tale ended long ago... Let us begin a new saga, let us find new heroes, weave a new story - by the…

On September 16th, 2024, Dr Arjan Louwen was inaugurated to the Young Academy Leiden. This platform serves to bring young, enthusiastic and driven early career (post-PhD) academics together. ‘I find it a really inspiring and welcoming group.’

Social impact is becoming increasingly important for researchers. On Thursday, Nov. 17, the Faculty of Humanities is organizing Engaging Humanities - Exploring Impact: a day all about impact.

It was with great sadness that on 17 May 2021 we learned of the death of our dear colleague Paul Valk. Paul died from the consequences of COVID-19, having been diagnosed with coronavirus over three weeks ago. Soon after this he was admitted to intensive care, where he was kept in an induced coma on…

The Executive Board of Leiden University has asked the University Council to advise on its proposed decision to reactivate the person counters/sensors in due course. The Council will now look at this carefully before the Board makes a final decision. The advice of the University’s participation body…

Having served on the Executive Board for over nine years, the last five of which as Rector Magnificus, Hester Bijl will leave Leiden University at the start of next year. In a new step in her career, she will become Rector Magnificus on the Executive Board of Delft University of Technology (TU Delft)…

On Thursday 30 May, Leiden University hosts a workshop to foster collaborations to improve the governance of European textile waste export. Different stakeholders, including municipalities, associations of textile collectors and sorters, industry and consumers associations, are warmly invited to join…

Global Transformations and Governance Challenges (GTGC) will hold its first international conference on 8-10 June 2022 in The Hague. Deadline submissions: 22 April 2022.

The Babylab, part of the Leiden University Centre for Linguistics (LUCL) and SSH Labs infrastructure, has recently introduced a new eye tracking device for conducting research into first language acquisition.

The KNAW has appointed 17 new members, including Leiden University's Vanessa Mak, Professor of Private Law, and Herman Paul, Professor of History. The KNAW has approximately members, who are outstanding scientists and scholars from all disciplines.

Hannelore Braeken recently joined the Institute for History as a PhD candidate, as part of Paul van Trigt's NWO project 'Collaborative learning from loneliness' (COLLELO). Below she introduces herself.

A subject like history is all about the past. That often involves scrolling through old documents, but in the Research Master's in History, Professor Dario Fazzi takes a different approach. His students work with Virtual Reality.

Leiden University opened the doors of its new Living Room on Thursday 16 February. The Living Room is a home from home where Dutch and international students can relax and meet others and is a strictly no-study zone.

On Monday 8 April, a high-profile guest visited Leiden Law School. Dutch Minister for Foreign Trade and Development Cooperation Geoffrey van Leeuwen gave a powerful speech to students about defending our interests in all current global developments.

A leaving do, birthday or other celebration? Many people like to ask for a donation to a good cause for their birthday or anniversary present. Leiden research can be one such cause.

When asked about the mission of the Leiden Jewish Studies network, Jürgen Zangenberg, Professor of Ancient Judaism and Early Christianity at Leiden University, and one of the organizers of the event says: “We try to keep the network as broad as possible, and to attract as many people from the outside…

The National Bee Count initiative of Professor Koos Biesmeijer (Naturalis/Leiden) and Vincent Kalkman (Naturalis) has received the NWO Communication Initiative Award. The jury praises the initiative, which manages to reach a very wide and diverse audience, while at the same time contributing to the…

Lecturer Bastiaan Vuyk recently became team leader of the Department of Bachelor's Education for first-year undergraduate subjects and method, and statistics teaching. With colleagues, he is committed to giving lecturers the space and resources to take students further in their development.