Leaf-eating caterpillars greatly enrich their intestinal flora by eating soil. Even effects of plants that previously grew in that soil can be found back in bacteria and fungi in caterpillars. Researchers from the Netherlands Institute of Ecology (NIOO-KNAW) and Leiden University write about this discovery…

This dissertation contains the further development of a method for linguistic-stylistic research, which provides a systematic means to interpret global impressions of a text through choices in formulation at word- and sentence level.

Data reuse and big data: a taxonomy for personal data reuse.

This presentation is presented in Dutch

This presentation is presented in Dutch

KIGS is a research project on communication patterns in the social sciences and humanities. Counting of publications and citations are common methods to measure international scientific impact. Based on citation analyses, various calculation methods and indicators have developed in recent years. However,…

How do psychology, culture, politics, and upbringing influence our lives in a rapidly changing world? What is the role of education and development, and how do cultural differences shape our society? In the minor "Introduction to Social Sciences: Human Behavior in a Changing World" (30 EC), you will…

Geheime diensten en criminelen kunnen inbreken in slimme apparaten, door slechte beveiliging. De markt lost het niet op: bedrijven willen gadgets verkopen, burgers doen ook weinig. NRC sprak hierover met Bibi van den Berg.

In dit onderzoek van de Universiteit Leiden kijken we hoe vaders en moeders de zwangerschap en de overgang naar het ouderschap ervaren.

On 18 september 2018, Claudia Bouteligier defended her doctoral thesis 'Dialoog in recht en literatuur. The doctoral research was supervised by Prof. mr. dr. A. Ellian.

On 17 October 2018, Henriëtte Weststrate defended her doctoral thesis 'De Notaris en Private Rechtspraak'. The doctoral research was supervised by Prof.dr. H.J. van der Herik and Prof. mr. G.J. Meijer.

Sustainability and the law lecture series featuring guest speakers discussing legal and social aspects.

Inaugural address of Prof.dr.ir. Peter van Bodegom

Nietzsche's most famous and infamous book Thus Spoke Zarathustra is perhaps the most read, but probably also the least understood, book in Nietzsche's oeuvre. Nietzsche considered it his highlight. He called it a symphony, a holy book, a fifth gospel and even the greatest gift ever given to humanity.…

In the future, computers will be able to base their decisions on intuition. Professor Jaap van den Herik, director of the Leiden Centre of Data Science, posed this statement today in his Valedictory Address at Tilburg University.

Caspar van den Berg, researcher and Assistant Professor at the Institute of Public Administration, has been awarded a prestigious Veni grant of 250,000 euros from the Dutch Organization for Scientific Research (NOW) for his international comparative research on politicization of top civil servants.

This PhD-thesis analyses the relationship between the parties’ choices in the CPB Netherlands Bureau for Economic Policy Analysis’ assessments of the election manifestos and coalition agreements over the period 1986-2017, and tries to explain this relationship.

The study at hand focuses on the control of sex and youngsters through the response by authorities most notably from within criminal justice.

Digital edition of the correspondence between the philosopher Gerardus Johannes Petrus Josephus (Gerard) Bolland (1854-1922) and the philologist Pieter Jacob Cosijn (1840-1899), consisting of 46 letters covering the period 1879 to 1899.

Pintores, arquitectos y exposiciones internacionales –como las de Barcelona y Sevilla– tuvieron un papel crucial en la definición y visualización del carácter idiosincrático de cada región. Este libro pionero compara el proceso de construcción de identidades regionales en España con el de Francia y…

On Friday 23 November 2018 Professor W. (Willemien) den Ouden and Professor J.E. (Jacobine) van den Brink acted as keynote speakers at a conference entitled Private Enforcement of European Competition and State Aid Law: Current challenges and the way forward.

On Friday the 8th of January 2016, our PdD student Nathanja van den Heuvel made a public appearance on national television.

This document is only available in Dutch

On 18 November 2020, Mojan Samadi defended her thesis 'Normering en toezicht in de opsporing'. The doctoral research was supervised by Prof. J.H. Crijns.

A source of inspiration for readers who are curious to understand how people move and convince each other

Deze PiP stage biedt de mogelijkheid tot het doen van Master onderzoek in Leiden Noord rond thema’s op het vlak van vitaliteit en gezondheid zoals bijvoorbeeld eenzaamheid, gezondheid en leefstijl, of manieren waarop de publieke ruimte gezond gedrag kan stimuleren. Het onderzoek zal gedaan worden met…

Study information

In addition to the open courses, Leiden University also offers tailored courses for organisations. With customisation, the content of the programme is entirely adapted to the needs of your organisation.

On Thursday 30 May 2024 Corrie van Maris successfully defended a doctoral thesis and graduated.

After Columbus landed on the island of Hispaniola (present-day Haiti and the Dominican Republic), the farming culture of the indigenous people quickly disappeared. This has been demonstrated by Leiden archaeologists and colleagues from other universities on the basis of soil research. Publication in…

Professor Wim van den Doel, dean of the Faculty of Humanities at Leiden University, has been appointed member of the Executive Board of the Netherlands Organisation for Scientific Research (NWO) with effect from 1 January 2017.

Professor of Cybersecurity Governance Bibi van den Berg was interviewed recently by I/O Magazine, the magazine of the ICT-research platform The Netherlands.

Dr. Gabrielle van den Berg received a prestigious VICI grant from the Netherlands Organisation for Scientific Research (NWO) for her project

Foute taal? Bestaat niet!

The recently opened ICPA (International Centre for the Prosecution of the Crime of Aggression Against Ukraine) in The Hague will be responsible for coordinating the prosecution of Russia for the crime of aggression and possibly also the prosecution of Vladimir Putin. The ICPA aims to close the gaps…

Cees van den Hondel, IBL-professor and 2010 Programme director of the Fungus programme of the Kluyver Centre received the royal distinction

The Executive Boards of Leiden University, Delft University of Technology and Erasmus University Rotterdam have appointed Professor Wim van den Doel as leader of the LDE alliance as of 1 February 2020. He was previously on the Executive Board of the Dutch Research Council (NWO) and Dean of the Faculty…

On September 5, at the festive opening of the Faculty Year, a range of new murals will be officially presented in the Van Steenis’ Reuvens Hall. The wall paintings reflect a variety of Dutch soil stratigraphies, from Oss to burial mounds. Aside from being a striking new addition to our Faculty building,…

The paper Genetic Algoriths for Evolving Computer Chess Programs by Omid E. David, Jaap van den Herik, Moshe Koppel, Nathan S. Netanyahu has won the Humies Award 2014 (human-competitive results produced by genetic and evolutionary computation).

Hoogleraar Internationaal recht bij het Grotius Centre for International Legal Studies, Larissa van den Herik is in augustus 2024 beëdigd als rechter-plaatsvervanger bij de Rechtbank Den Haag.

As of January 2017, LCDS-director Jaap van den Herik has been appointed member of the Advisory Board of WODC.