An evolutionary 'trap' that has haunted crested and marbled newts for 25 million years: Leiden researchers have uncovered a mysterious DNA error that should not be able to arise – yet persists all the same. How is that possible? PhD candidate James France found new clues.

Honduras recently severed diplomatic ties with Taiwan after 82 years. In doing so, the country is following the trend of other Central American countries that have turned their backs on the Asian island in recent years. Why are these countries making this choice now and what does it mean for Taiwan's…

‘If you want to implement open science, you at least need someone at each faculty who can help researchers to solve practical problems.’ Dorien Huijser spent two years managing the transition to a new working method at the Institute of Psychology’s Brain and Development Research Center.

Each year on the university’s birthday, children at primary schools in Leiden and The Hague have a lesson from a professor – about children’s rights and robots in surgery, for example. The children get to do activities. And ask questions: ‘How do you become a professor?’

A psychology degree, a career that started in the commercial sector and now a role where she feels she can make a difference. For alumnus Marisse van Os (34) everything has come together in her current job at an innovative mental health services provider.

Over hundreds of thousands of years, our region witnessed the comings and goings of various types of hominin. This depended on the temperature as ice ages alternated with warmer periods. In ‘De eerste mensen in de Lage Landen’ (‘The First Humans in the Low Countries’) Leiden archaeologists Yannick Raczynski-Henk…

A true shower of awards for students from the Faculty of Science during the annual KHMW Young Talent Awards ceremony. On Monday, 25 November, no less than nine first-year students received a prize for the best academic results in their first year. In addition, there were graduation prizes for master’s…

How do you detect life on a planet light years away? During her PhD research, astronomer Willeke Mulder worked on an instrument to detect such signals – culminating in an experiment from a hot air balloon.

Science thrives on freedom, safety, and stability. But what if these prerequisites are lacking? What if colleagues beyond our borders are threatened, persecuted or forced to flee?

From spiders in the bathroom to mice in the kitchen, we share our homes with far more species than we realise (whether we like it or not). Researchers at Leiden University and the University of Helsinki are collecting stories about how people live alongside these non-human housemates.

Gratis te downloaden voor het onderwijs: een inspiratie- en lespakket over stervormen hun symbolische betekenis en hun rol in verschillende culturen en godsdiensten.

PhD defence

PhD defence

PhD defence

Lecture, Unfolding Finitudes

Knowledge Café

Arts and culture

Lecture, Talk

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. In this edition…

EDGES Talk

Lecture, Comparative Indo-European Linguistics (CIEL) Seminars

Leiden University contributed to colonialism and slavery through its research and teaching. And governors and residents of Leiden had an active role in colonial networks. These are the findings of two explorative studies presented on 3 April.

‘It was the biggest bunch of flowers I’d ever seen,’ says Emily Strange about the moment she won the Leiden Teaching Prize 2022. The judge praised the conservation biologist for her passion, engaging personality, and the way she motivates her students. On the Dutch Day of the Teacher, we get to know…

The digital age offers unprecedented opportunities: information is always accessible, systems are interconnected, and processes are automated. However, these developments also give rise to new threats. During the Night of Digital Security on 26 May at the Wijnhaven building, more than experts shared…

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.

In the spring of 2024 the Faculty of Archaeology welcomed a new postdoc. Dr Adam Benfer, originally from the United States, occupies a double position as a researcher in the project of Alex Geurds and as the Faculty’s Data Steward. ‘It is pretty much what the title says: I steward data. Essentially,…

Space for open dialogue on historical slavery was created at the Keti Koti Table at Museum De Lakenhal, organised by Leiden University and the Municipality of Leiden. There, just metres away from 17th-century paintings, Leideners shared a ritual meal and spoke about the effects of slavery and our colonial…

Geopolitical situations, such as the conflict in Gaza, evoke strong emotions among staff and students. How do we discuss such situations at our faculty? This issue is an ongoing part of safeguarding academic freedom at our university.

Lecture

Walk

Webinar

Debate

Lecture

Arts and leisure, Arts and leisure

Lecture, Global Histories of Knowledge Seminar

Workshop

PhD defence

PhD defence

Lecture, Global Histories of Knowledge Seminar

Webinar with Q&A

PhD defence

The past few days we interviewed several of our researchers about their various studies during Dutch Bio Science Week. They answered questions such as what impact their research has on our future and with whom they have established valuable collaborations.

An extra-long cortège, three honorary doctorates, a quiz about 450 years of university history, a Dies Natalis rap and a call to defend academic freedom: these all featured in Leiden University’s 450th Dies Natalis celebration and the official start of its jubilee year.

The people who lived in Saqqara, City of the Dead in Egypt, died thousands of years ago, but they are not all that different from us. This is what a study by the National Museum of Antiquities in Leiden, The Netherlands concludes. If you wanted to prove that you had good taste in ancient Egypt then…

The Middle East has a rich literary tradition, which is steadily gaining a foothold in the West. Modern literary works deal with contemporary issues, such as the legacy of colonialism, the struggles between traditionalism and modernity, the place of women in society and the war in Israel/Palestine.

Four students who completed the Bachelor's in Security Studies share their experiences. What did they learn? Where did they end up after graduating? And do they still use the skills they acquired during their studies?

A delegation from Leiden University recently embarked on a knowledge mission to various NGOs, universities and government organisations in Indonesia. New partnerships were formed and important knowledge exchanged, and researchers from Leiden gave guest lectures.

Lecture, Hybrid workshop