The renewed library is built in the middle of wing B on the ground floor. The entrance opens onto the central hall.

In May 2022 Lennart Kruijer succesfully defended his PhD, which he wrote as a member of the VICI Project ‘Innovating Objects’, led by prof. Miguel John Versluys. So succesfully, in fact, that he was awarded the Cum Laude honors. Just a short time later he was awarded a grant and a fellowship to further…

The number of students suffering from stress and anxiety has decreased slightly compared with 2021. But around half still suffer from mental health problems. This is according to the National Mental Health and Substance Use Monitor.

For 25 years now, each faculty has had an assessor, a student representing the interests of all the faculty’s students. Yet few students are aware of this.

Could water be present in planet-forming disks before the formation of rocky planets? The James Webb Space Telescope may have found evidence for that. Webb has for the first time observed water in the inner disc around young star where at greater distance, giant planets have already formed. The research…

We are proud partner of the ULLA. It is the European University Consortium for Pharmaceutical Sciences in which LACDR participates for already 30 years. We have the honor to host the ULLA workshop in 2023 and the ULLA summer school in 2024.

I am thrilled to share the exciting news of being honored with the 2023 Early Career Award at the EUROTOX conference held in Ljubljana, Slovenia. This recognition, presented by ECETOC (European Centre for Ecotoxicology and Toxicology of Chemicals) and dedicated to the memory of Dr. Christa Hennes, holds…

The Ministry of Health, Welfare and Sport (VWS) submitted Pharma-NL to the R&D program of the National Growth Fund, a 20 billion euro program of the Dutch government that intends to create long-term economic growth in The Netherlands.

Ook voor de Faculteit der Rechtsgeleerdheid was 2020 een bijzonder jaar. Het was een jaar waarin alles anders werd.

New research has revealed that one of Europe’s largest prehistoric mass graves records the deliberate killing of women and children, showing how gender- and age-selective violence was used to disrupt communities and assert power in the Early Iron Age. Leiden archaeologist Jason Laffoon was involved…

A single tiny molecule that can destroy flu, corona, HIV and Zika viruses? Yes, it really does exist. Biophysicist Niek van Hilten, who will receive his doctorate on 14 September, contributed to this discovery.

Quantum Rules lab van Leiden Universiteit biedt proefjes en experimenten voor middelbare scholieren om te leren over kwantum natuurkunde. Henk Buisman vertelt over het 5 jarige jubileum.

Smiling faces, sweltering heat and a record-breaking donation – that was the Leiden Science Run 2025. On Saturday 21 June, the Leiden Bio Science Park turned bright orange as enthusiastic runners completed 4.5 kilometres to support research for vulnerable children.

In 1974 Professor Modderman (founder of the Institute for Prehistory Leiden; predecessor of the present Faculty of Archaeology) executed a small excavation in the city of Oss. The Middle Iron Age cemetery, built over by Roman Period farmhouses, proved to be the start of a unique archaeological regional…

Last Wednesday was the official deadline for students to apply for one of our master’s programmes. Some of our master’s programmes, such as History, organised a last call Q&A for students.

PhD defence

Party for Dispuut Pleyte (so called after the 19th-century Dutch Egyptologist). The study association for Ancient Near Eastern studies and Classics and Ancient Civilizations celebrates its 50th anniversary. Ahead of the festive symposium on 7 June, we look back and ahead with chairman Steef Haeldermans…

Dennis Broeders has been appointed 'Global Chair' at the University of Bath for the year 2023-2024.

For almost a millennium, it was rewritten time and again: the Old Javanese literary prose work Uttarakāṇḍa. The tradition soon split into two major branches: a Javanese and a Balinese one. However, until now, scholarly editions have focused solely on the Balinese version. Unjustly so, argues PhD candidate…

Since its discovery thirty years ago, it remained a mystery: how does the body’s own marijuana move between nerve cells in the brain? Mario van der Stelt and his research group have now uncovered the answer. This insight could aid the development of new treatments for pain and neurological disorders…

The Greater Angkor Region in contemporary Cambodia was dramatically more urbanized in the 13th century than previously thought, and home to 700.000 to 900.000 people. These discoveries were made by a research team led by Sarah Klassen. Their findings are published in Science Advances.

Leiden researchers have discovered an enzyme that helps bacteria feed on everyday plastics. This common enzyme could play a crucial role in future research and eventually in addressing the global plastic crisis. The study was published in Nature Communications.

During her master's thesis, Nashanty Brunken (24) worked in a team with five other women. With this female team, they discovered the largest molecule so far identified in a disc. 'I have learned so much and because we are all women, it is incredibly empowering. It's very cool to see how far we've come…

Scientific Director of the Leiden Academic Centre for Drug Research (LACDR) Hubertus Irth: ‘We test substances and look for new concepts for treating disease.’

Education

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?’