Smartphone behaviors are so common but how does the brain generate this behavior? The Cognition in the digital environment laboratory (CODELAB) investigated the brain activity surrounding smartphone interactions with the help of Artificial Intelligence. According to their research, the brain fluidly…

At the Dies Natalis Willem Otterspeer, Professor Emeritus of University History, presented the fourth and final volume of Groepsportret met Dame, his series on the history of Leiden University. De 'Strategie van de Aanpassing' covers the period 1876-1975. Otterspeer talked about his book in a podcast…

On 8 February 2016, Dr Jennifer Tour Chayes, Director of Microsoft Research in Boston and New York, will be presented with a Leiden honorary doctorate by Frank den Hollander, Professor of Probability Theory and Statistical Physics.

How can we explain that Caribbean small states have the most stable two-party systems in the world, while Pacific small states have either very weak parties or no parties at all? Matthew Louis Bishop (University of Sheffield, UK), Jack Corbett (University of Southampton, UK) and Wouter Veenendaal (Leiden…

Over 1,200 children from junior schools in Leiden and The Hague were taught by a real professor on the university's anniversary.

American anthropologist Rosemary Joyce will be awarded an honorary doctorate from Leiden University on its Dies Natalis on 8 February. Joyce has delivered important new insights into the ancient Mayan cultures of Central America.

The celebration of Leiden's Dies Natalis on Monday 9 February in the Pieterskerk was extra special this year and was attended by many prominent guests. This was the kick-off of the special 88th Lustrum (five-year) celebrations in 2015.

Does suffering suffice? Andrei Poama, Assistant Professor at Leiden University, and Paul C. Bauer, research fellow at the Mannheim Centre for European Social Research, did an experimental assessment of desert retributivism. Their resulsts were published on April 20 on PLOS ONE.

Jaroslaw Kantorowicz examines how strategic climate litigation influences public attitudes on climate policy, using a UK experiment to explore legal cues.

Using brain imaging to discover the area in the brain that recognizes emotion.

Is my cap on straight? Where in the cortège will I be walking? These are some of the questions asked by professors joining the Dies Natalis procession for the first time.

A school lesson by a professor, for instance about the history of Africa, the climate or research and healthcare. A hundred Leiden professors told primary school children about their work in the Meet the Professor project.

Carel Stolker, former Rector Magnificus and President of the Executive Board of Leiden University, has been made an Officer in the Order of Orange-Nassau for his services to the city and University. Mayor Henri Lenferink awarded the royal honour to Stolker at the University’s Dies Natalis on 8 February…

Maarten Feteris, the former president of the Court of Appeal and an alumnus of Leiden University, composed the piece ‘Intermezzo’ to mark the transfer of the rectorate during the Dies Natalis on 8 February 2021.

‘Praesidium Libertatis is a daily responsibility.’ These were the words of Rector Magnificus Carel Stolker on 8 February during the 443rd Dies Natalis of Leiden University. The University needs to pay continuous attention to open debate if it wants to remain a bastion of freedom.

Leiden University will confer an honorary doctorate on astrophysicist Sara Seager for her work on exoplanets.

This is the final lecture in the lecture series Humanity in the Automated State. This lecture is featuring Professor Natali Helberger (University of Amsterdam) and will take place on 26 May 2026, 15.30-16.45. It's followed by a reception from 16.45-17.45. Professor Helberger will present…

On the university’s birthday, professors teach a class of 10 and 11-year-olds during Meet the Professor. The professors were bombarded with questions.

Four students founded the Leiden Student Working Group on Homosexuality on the day of the Dies Natalis in 1968. This was to be the start of the LBGT+ movement in Leiden, which celebrated its 50-year anniversary this year. What has been achieved and what is the status of emancipation today?

Public Administration researcher Adrienne Héritier will receive an honorary degree from Leiden University. The award is for her groundbreaking work in the field of multilevel governance, decisionmaking and institutional theory at the European level. She will be awarded the degree on the dies natalis…

Leiden University celebrated its 444th anniversary with a historical procession on 8 February. It celebrated this year’s Dies Natalis in time-honoured fashion with a ceremony in the Pieterskerk, but broke with tradition by sending professors out to primary schools.

Writing a book on the recent history of Leiden University in corona times. For educational and policy historian Pieter Slaman (34), this has meant working in the attic of his parents’ house while they looked after his daughter, along with numerous online conversations and very few, if any, visits to…

Civil service systems are often targets of criticism globally. This article seeks to fill an evidence void about government performance and meritocracy

In romantic love, we often invoke an idiom of infinity—for instance, when we promise to love each other forever, or declare the other to be the one. But what does this metaphysical appeal signify? And how can such a promise of infinite love be made within the bounds of a finite life? In attempt to answer…

The smallness of Suriname, according to political scientist Wouter Veenendaal (Leiden University), strongly affects and shapes the nature of democracy in the country. On the one hand, clientelism ensures that members of each ethnic group included in power-sharing arrangements have access to state resources…

In this article, Honorata Mazepus, assistant professor at the Institute of Security and Global Affairs, and Dimiter Toshkov, associate professor at the Institute of Public Administration, discuss whether the winner–loser gap extends beyond the political domain to subjective health and well-being as…

It may be the best tradition of them all: on the university’s birthday, its professors go to primary schools to teach a special lesson. This year, 75 professors visited 44 local schools. ‘How does stress get into your body?’

On the occasion of the conferral of an honorary doctorate to children’s rights activist Graça Machel, a fund has been established that will enable two female students from South Africa to come and study in Leiden.

From ransomware to Citrix traffic jams: over the past few months Dutch organisations were regularly brought to a standstill by serious cyber attacks. We can only face these threats by standing as one, and universities and government should take the lead. These are the words of Leiden professors Bibi…

From academic freedom to security and medical breakthroughs: during Leiden University’s 451st Dies Natalis, the speakers reflected on the role of universities in a world of social and geopolitical tensions.

On the day of the Dies Natalis, Rector Magnificus Carel Stolker starts his second term of office. How does he look back on the first four years, and what are his plans? These are the questions asked of him by Mayor Lenferink, student of public administation Mikal Tseggai, Professor Eveline Crone and…

Mozambican politician and child rights activist Graça Machel will receive an honorary doctorate from Leiden University for her commitment to the rights of women and children in Africa and elsewhere. She will be awarded the honorary doctorate on the Dies Natalis, the University’s foundation day, on 8…

These podcast episodes were written for the Green Office’s Spring Podcast competition and miniseries 'Beyond the Safe Space', on the theme: the Planetary Boundaries, which took place between the months of March-May 2023.

It’s starting to become a real Dies Natalis tradition: on 8 February professors from Leiden University teach a class at primary schools in the region. This introduces children to academia and teaches them more about conducting research. ‘Had you expected me to be a woman?’

The lecture series “Humanity in the Automated State” concluded on 26 May 2026 at Leiden Law School with its closing lecture by Professor Natali Helberger from the University of Amsterdam.

His Leiden honorary doctorate, the future of scientists, and diversity in science. Robbert Dijkgraaf tells about it in one of the classical rooms of the Academy Building. ‘It's very special, my honorary doctorate. A rare homage.’

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.

Xin Zhang, PhD at ICLON, researched the relationship between teachers’ learning motivation and the quality of their teaching. Defence on 6 July.

For the fifth year in succession, on the foundation day of the university, Leiden professors taught a lesson at primary schools as part of the ‘Meet the Professor’ programme.

The Turn of the Soul: Representations of Religious Conversion in Early Modern Art and Literature

Once a month, the Europa Institute comes together to hear from its own staff members, guest researchers, or external scholars about their research plans, work in progress papers, or recently concluded projects relevant to European law. The Food for Thought-series is organised by Melanie Fink.

Does the university invest into fossil fuels? ⠀

With his ice-cold nano force sensor, Tjerk Oosterkamp searches for the boundary between the quantum world and the everyday world. The Leiden physicist has received an NWO subsidy of 600,000 euros.

How can we best treat infectious diseases in people with obesity? Hospital pharmacist and PhD researcher Koen van Rhee studied how obesity affects blood levels of two commonly used medicines. He also developed a method for pharmaceutical companies to test new drugs on this patient group.

This article by Kohei Suzuki and his co-authors examine the relationship between job security, at-will employment, and employee outcomes in the public sector amid growing reforms and politicisation.

Our previous meta-analysis (Swart et al., 2019) had shown that feedback targeting text comprehension given when students perform a reading task positively influences learning from text. So far, differences in the effects of feedback were explained by design features, such as the timing and richness…

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…

The ‘Vereniging van Echtgenoten en Partners van Hoogleraren aan de Universiteit Leiden’ (Society of University Professor’s wifes), also known as Vrolec, was established in 1913 by the women of professors of Leiden University.

The deans (chairs of the faculty boards) form the Board of Deans, which is chaired by the Rector Magnificus.