Humans have influenced nature since as early as the Ice Age, and over the past century man’s impact has become even greater with our many new technologies and a growing world population. Leiden researchers study this impact and how we can keep it within reasonable limits so that nature can be preserved.…

Dr Bleda Düring deemed it was time for an archaeological approach on the imperialisation of Assyria. ‘While there are lot of archaeological studies of Assyrian sites, they are not really trying to address this broader picture of imperialism and how this imperialisation actually worked.’ These imperialisation…

FactRank is a new online tool that automatically detects ‘checkable’ claims made by politicians in parliamentary debates or tweets, and therefore enables fact-checkers to work much faster. Alexander Pleijter, a researcher and lecturer in Journalism and New Media, helped develop FactRank.

Discovering while still studying whether work in science might be for you. That is what students get during the faculty Research Traineeship Programme. On Friday 1 September, they presented their results to each other and their supervisors.

In August 2022 we welcome our new colleague Dr Letty ten Harkel as Assistant Professor in Roman and Post-Roman Archaeology. For the past ten years she has built up an impressive track record in the School of Archaeology at the University of Oxford. Read the interview about her background and research…

Medical research is often exaggerated in the news. Medical journalists are not the only ones guilty of such sloppiness; results are also often exaggerated in academic press releases. This was the conclusion of a study by researchers from Leiden University Medical Center (LUMC) and Leiden University,…

Spui Campus, Leiden University’s fourth location in The Hague, will soon open its doors. The former V&D department store’s transformation into a university campus is becoming more visible by the week. Removal vans will soon be driving back and forth to move all the furniture there in time. The first…

Ward Hoskens started ten years ago as an intern at one of Leiden's most iconic buildings: the Pieterskerk. Now he is doing his PhD on the question of how the function of this 'church that is no longer a church' changed over recent centuries.

Researchers at the Faculty of Science work at the frontiers of knowledge every day, tackling today’s major societal challenges. Their work is recognised through grants, prizes and other awards. We highlight some of these achievements.

Over the course of eight weeks, twelve law students spent several days at the various sectors of the Court of The Hague where they learned all about the work of judges, judicial assistants and legal advisers. At the final session on 10 March, they shared their experiences.

Between 25 April and 1 May 2026, Luc Sels, President of the Executive Board of Leiden University, paid a week-long visit to Cairo highlighting the growing strategic importance of Egypt in international academic cooperation and the increasingly central role of Leiden University’s institutes abroad as…

The bachelor’s programme in Dutch Studies marked its fortieth anniversary on 22 May with a festive gathering in Leiden.

European Commissioner Ekaterina Zaharieva (Startups, Research and Innovation) visited the Leiden Bio Science Park on 12 June to see how the Leiden life science & health ecosystem works.

In zijn boek 'Chasing Events' onderzoekt Thijs van Dooremalen hoe we de impact van ingrijpende gebeurtenissen echt kunnen begrijpen. Hij laat zien dat traditionele vergelijkingen tekortschieten en pleit voor een nieuwe manier om de effecten van 'events' op lange termijn te analyseren.

Amidst great interest from locals and visitors, Emperor Naruhito and King Willem-Alexander paid a visit to Leiden University on 18 June. In the Hortus botanicus they talked with students and researchers. ‘This visit emphasises our shared ambition.’

The Austria Centre Leiden was thrilled to receive an application from our colleague Dr. Jonathan Singerton (Vrije Universiteit Amsterdam) to support his participation in the first-ever Central European History Convention in Vienna in July 2025. We asked Dr. Singerton to reflect on the event and how…

Conference

Lecture, Booklaunch - CoGloSS | Oosters Genootschap | Leiden University Press

Lecture, Radical Spotlights Seminar

Lecture

Lecture, Comparative Indo-European Linguistics (CIEL) Seminars

PhD defence

PhD defence

PhD defence

PhD defence

PhD defence

Middle East Studies Lecture

Climate change is made up, the secret services murdered Pim Fortuyn and JFK, and the moon landing was a fake show. Conspiracy theories are of all times, providing sensation and entertainment, but also unrest and fear. The corona pandemic is new fuel for conspiracy theorists who set fire to 5G masts,…

Conference

Seminar

Workshop

Workshop

Lecture, Com(parative) Syn(tax) Series

Workshop

Workshop

Conference

Jorge Heine writes about 'bricks-and-mortar' diplomatic posts and their significance during a pandemic.

In a packed lecture hall at Wijnhaven, Nobel Prize winner Paul Krugman succinctly summed up the essence of his argument on Wednesday 17 September: ‘Running a good society is hard’. His lecture held up a mirror to economists and policymakers.

Before founding their American colony, the Pilgrim Fathers first lived in Leiden in the early 17th century. This group has no fewer than nine American presidents among its descendants. The University played an important role in the Pilgrims’ life in Leiden.

The LUCAS Dissertation Prize has been awarded to Dr. Renske Janssen for her PhD thesis Religio Illicita? Roman Legal Interactions with Early Christianity in Context.

Carolijn Brouwer and ambitious are synonymous. That has got her a long way. She was the first woman to be part of the winning team of the Volvo Ocean Race, the toughest of sailing races. 'Would I take part again? Only for a bigger challenge - as skipper, for example.'

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…

Emeritus professors Dirk van Delft and Frits Berends both channelled their inner Sherlock Holmes as they delved into the life and work of the great physicist Hendrik Lorentz. Their voluminous biography ‘Lorentz: gevierd fysicus, geboren verzoener’ (Lorentz: celebrated physicist, born mediator) is published…

Ambroise Paré, Thomas Sydenham and Herman Boerhaave: all were great medical innovators in their time. We know far less about the 19th-century Russian physician and scientist Nikolay Ivanovich Pirogov. PhD candidate Inge Hendriks researched him in Dutch and Russian archives and collections. She discovered…