Bird, butterfly, fish: when you look through a children’s book, you usually don’t think about the fact that humans divided these animals, depicted in bright colours, into categories. Yet, this division has been discussed for centuries. In her PhD dissertation, Didi van Trijp shows how natural scientists…

It was the Night of Discoveries on Saturday 16 September: a summer encounter between art and science. Leiden researchers from various disciplines inspired the public with their quest to understand our world.

There was a lot of interest. In front of nearly a hundred researchers, supporting colleagues and Martijn Ridderbos, the Vice-Chairman of the Executive Board, Lotte van Dillen, Research Director of Psychology and Saskia Goedhard, Director of Humanities Operations jointly opened the new lab with a classic…

In consultation with the Executive Board of the Faculty of Social and Behavioural Sciences and having heard the views of the Faculty Council, the Executive Board has appointed Bart Barendregt as Dean of the Faculty until 1 April 2027.

In its session of 15 April 2024, the Austrian Academy of Sciences elected professor Petra Sijpesteijn as one of its new Corresponding Members.

Six programmes in the Faculty of Humanities have been awarded the designation 'top programme' by the Keuzegids. These are the bachelor’s in German Language and Culture, Greek and Latin Language and Culture, Latin American Studies, Ancient Near East Studies, Religious Studies and Russian Studies.

The bachelor programmes German Language and Culture, Classics, Dutch Language and Culture, Ancient Near Eastern Studies, Religious studies and Linguistics have received the predicate top rated programme from the Keuzegids.

Organisation

Glorious sunshine, dozens of enthusiastic academics and huge numbers of Leiden residents ensured that this year’s special jubilee version of 3 October University was a great success.

Leiden University has taken eighth place in this year’s SustainaBul, the sustainability ranking for universities and universities of applied sciences in the Netherlands. It was in 18th place last year.

Two Leiden University science communication projects have been awarded a WECOM grant through the Dutch Research Agenda (NWA). One project is a study of the history of the deaf community in the Netherlands and the other is of a condition that causes people to lose their way.

A newly opened museum in China appears to be devoted to the origins of the Austronesian-speaking peoples, who some 5000 years ago spread from East Asia across the Pacific, seeding it with a distinctive culture and some 1200 languages. But those displays are also a statement in the long-running dispute…

Festival

For associate professor Jenneke van der Wal, things have been good recently. After being awarded a Vici and Una Europa grant, she has now also received an Ammodo Science Award. ‘It is a nice confirmation that I am doing valuable work.’

Research

Leiden University is taking a major step forward in the energy transition with the expansion of the thermal energy storage (TES) in the Gorlaeus Building. This expansion is needed to be able to heat and cool all the new and renovated buildings on the Campus Square of the Faculty of Science sustainably.…

Organisation

This practical guide is aimed at PhD candidates, Research Master Students, and early-career researchers from all academic disciplines. The instructions in the guide intend to inspire young researchers and to help them practice Open Science, by sharing all aspects of research as open possible.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

3 October University has become something of a tradition: a bit of science among the Leidens Ontzet celebrations. During the new and improved edition, the WetenschapsWarenMarkt (Science Market), visitors spoke to researchers about the nitrogen problem, making organs and the city’s connections with A…

Assistant Professor Briitta van Staalduinen has received the Best Dissertation Award from the American Political Science Association, Section on Class and Inequality. Her dissertation, Ethnic Inequality in the Welfare State, aims to reconcile the persistence of ethnic inequalities in expansive welfare…

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’

Organisation, Social

Nearly 19,000 runners lined up at the start of Leiden Marathon on Sunday, among them students and staff from the university. For some this was their first race, for others a highlight of their year. This year, in celebration of our 450th anniversary, they ran in a special jubilee t-shirt.

Three researchers from Leiden University have been awarded a Starting Grant by the European Research Council. The subsidy will allow the researchers to set up their own projects and put together a research team.

On Friday 20 May, from 1 p.m. to 6 p.m., approximately sixty lecturers met at the Faculty Club for the 2022 Education Showcase.

Festival

Lecture

The university is committed to providing an accessible learning and working environment for students and staff. They should be able to feel at home at our faculty. That is why there is now an all-gender toilet in every humanities building to contribute to that feeling of recognition and safety.

Within the scope of Leiden European City of Science, the Royal Netherlands Academy of Arts and Sciences (KNAW) presented the quadrennial Lorentz Medal to Daan Frenkel in the Academy Building yesterday. The ceremony was in collaboration with the Lorentz Center and was attended by Robbert Dijkgraaf, Minister…