On 18 November 2021, Anneke Keulemans defended the thesis 'Het Unierechtelijke verdedigingsbeginsel'. The doctoral research was supervised by Prof. J.P. Boer and Prof. A.O. Lubbers.

Encyclopedie en Filosofie van het Recht is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University. This unique programme considers the philosophical issues and concepts upon which law is founded, in the broadest sense.

How can you figure out if a skeleton is male or female? How did they brew beer in the distant past? Visitors to ArcheoHotspot could examine archaeological finds and taste prehistoric drinks at the Faculty of Archaeology.

On 25 November 2018, Laurens de Hoog defended his thesis 'De prioriteitsregel in het vermogensrecht'. The doctoral research was supervised by Prof. mr. W.G. Huijgen.

On 2 September 2021, Gert Jan Geertjes defended his thesis 'Staatsrecht en conventie in Nederland en het Verenigd Koninkrijk'. The doctoral research was supervised by Prof. L.F.M. Verhey and Prof. W.J.M. Voermans.

We aim to gain a better understanding of the natural disease progression of ALS in order to improve clinical trial design and analysis and to support drug discovery and clinical development of new drugs.

Leiden Archaeology students may write their master's theses on the recently acquired collection skeletons from the city of Arnhem. We interviewed osteoarchaeologist Dr Rachel Schats, who is very happy with the news:

Publication on the excavations at Roman fort Matilo in Leiden

On 25 November 2020, Sara Arendse defended her thesis 'De uiterlijke verschijningsvorm in het strafrecht'. The doctoral research was supervised by prof. C.P.M. Cleiren and prof. J.M. ten Voorde.

In what way did Hellenistic legal institutions concerning secured credit influence Roman law?

In this study an attempt has been made to describe the degree in which the new objectives of the school subjects Greek and Latin, as formulated at the theoretical level by institutes as curriculum planning committees, are are incorporated by the teachers in their actual teaching practice.

Een nieuw boek in de reeks Elementaire deeltjes

Archaeologist Hayley Mickleburgh studies how bodies decompose. This helps with the reconstruction of changes in the burial rituals of Caribbean Indians.

Ben Kuipers is benoemd tot hoogleraar Publiek Leiderschap bij FGGA. De leerstoel Publiek Leiderschap (0,2 fte voor een periode van vier jaar) wordt extern gefinancierd vanuit het samenwerkingsverband VPL (Verder met Publiek Leiderschap) en is ingebed in het Leiden Leadership Centre (LLC)

Governments in parliamentary democracies have limited time in office to fulfill their policy agendas. So, how do they optimise the timing of legislative bills to assure their passage and avoid lengthy parliamentary scrutiny? This question is especially puzzling under coalition governments, in which…

This volume sheds light on the role played by progeny in maintaining dynasties in early modern royal courts as well as the horizontal and vertical interplay between the actors. It attempts to break through the narrative of older research that saw dynasties as a series of male rulers. Instead, these…

Leiden's Boerhaave Museum and Leiden University Medical Center (LUMC) have discovered parts of a skeleton in an 18th-century manikin. The manikin was once used as a teaching aid for midwives. As far as we know, this is the only one of its kind in the world.

Kyra van der Moezel defended her thesis on 7 September 2016.

Met de val van Balkenende IV laait de discussie over het functioneren van politieke partijen binnen ons democratisch bestel weer op. Opgeblazen ego’s, overambitieuze politici en partijpolitieke machtspelletjes zouden echte democratie in de weg staan. Maar die discussie is niet nieuw.

Inaugural lecture

On 14 May 2020, Pieter Rustenburg defended his thesis 'Een algemene normtheorie toegepast op open normen in het belastingrecht'. The doctoral research was supervised by Prof. A.O. Lubbers and Prof. J.L.M. Gribnau.

On 30 June 2021, Thijs Beumers defended his thesis 'De bescherming van immateriële contractuele belangen in het schadevergoedingsrecht'. The doctoral research was supervised by Prof. A.G. Castermans and Prof. W.H. van Boom.

The German hand-reader Julius Spier (1887-1942) played an important role in the life of the Dutch Jewish diarist Etty Hillesum (1914-1943). This thesis argues that instead of being a charlatan - as he has become viewed through Hillesum's writings -, Spier was a talented hand-reader who 'psychologized'…

Unmanned aerial vehicles (UAVs), often referred to as drones, have become easy and inexpensive to buy, and it is generally expected that the use of drones by private individuals, businesses and public authorities will increase tremendously in the coming years. This raises questions as to what is technologically…

Inaugural lecture

Universitair docent immigratierecht, Mark Klaassen, zegt in een uitzending van RTL-nieuws dat de voorlopige verkiezingsuitslag weinig directe invloed zal hebben op de asielinistroom. ‘Ongeacht welke partij de grootste wordt, kan Nederland weinig veranderen in hoeverre mensen hier nationale bescherming…

Wordt het nog wat met de Arabische lente?

Emeritus Professor Ben Lugtenberg received ‘The Arima Award for Applied Microbiology’ from the IUMS (International Union of Microbial Societies) for his life-time contributions to this field.

Ben Wielstra studies hybrid zones, regions in which distinct populations of organisms meet, mate and produce genetically admixed offspring. In the journal Current Biology, he introduces hybrid zones in an accessible way.

Ben Wielstra studies balanced lethal systems, in which half of the offspring die before birth. In the journal Current Biology, he explains in an accessible way how such a disadvantage can originate in nature.

The Ben Pauw thesis prize for the best Master’s thesis in the area of Public Affairs was won by student Esther Mangelsdorf of the Institute of Public Administration.

Op donderdagmiddag 15 mei 2025 organiseert Universitaire Bibliotheken Leiden het symposium ‘De Middeleeuwen als inspiratiebron’. Aanleiding voor dit symposium is de publicatie van het rijk geïllustreerde publieksboek 'Schatten op schrift, 50 manuscripten uit middeleeuws Europa'.

Newts of which half of the offspring die before birth. Evolutionary biologist Ben Wielstra is investigating how this can exist in nature. In his research he collaborates with Naturalis Biodiversity Center.

On 12 September 2025, Dr. Ben Van Rompuy participated in the conference “Playing by the Rules: the Intersection of Competition Law and Sports”, organised by the University of Lausanne.

Virtual Reality komt steeds dichter binnen handbereik van docenten en studenten. Hoe zou Virtual Reality kunnen bijdragen aan de leerervaringen van uw studenten? Vrijdag 19 februari, kwam een groep van ruim twintig docenten en experts af op een bijeenkomst over deze vraag in Studiecentrum Plexus. Met…

Waarom is empirisch-juridisch onderzoek van belang voor de rechtspraktijk en het wetenschappelijke onderzoek? Op die vraag kregen masterstudenten van de afstudeerrichtingen civiel recht, ondernemingsrecht en financieel recht antwoord tijdens het congres over empirisch-juridisch onderzoek en het privaatrecht…

This project unites these two perspectives by taking a deep dive into the microstructure of historic Dutch bones. We will study human skeletal remains curated at the Faculty of Archaeology by micro-CT scanning them at LUMC facilities. With detailed micro-CT scans, we can examine bone quality in the…

Elephants ranged over Schöningen in Lower Saxony 300,000 years ago. In recent years, remains of at least ten elephants have been found at the Palaeolithic sites situated on the edges of the former opencast lignite mine. Now, a collaboration of archaeologists from University of Tübingen and the Lower…

Ben de Jong, inlichtingen-deskundige en gastonderzoeker en -docent bij het ISGA aan de Universiteit Leiden, werd geciteerd in een artikel in het Algemeen Dagblad over topografische kaarten die de Russen tijdens de Koude Oorlog gebruikten. De Sovjet-Unie beschikte over een ongelofelijke hoeveelheid…

Osteoarchaeology is a rich field for reconstructing past lives in that it can provide details on sex, age-at-death, stature, and pathology in conjunction with the cultural, social, and economic aspects of the person’s environment and burial conditions. While osteoarchaeological research is common in…

CT scanning of skeletal remains can tell us about how strong or weak a persons bones were and we can relate that back to diet, activity, and reproductive factors.

In February 2015, Al Shabaab produced a video in which it calls for an attack on malls in the United States, Canada and the United Kingdom.

Tussen 14 en 30 september 2022 wordt Het Land van Belofte gespeeld door Theatergroep De Kale. Het Land van Belofte neemt u mee naar de groteske verhaalwereld van middeleeuwse pelgrims naar het Heilig Land. Het Land van Belofte is gebaseerd op het zestiende-eeuwse tafelspel Schipper, Pelgrim en Post.…

More on the Dutch webpage.

Moderne oorlogsvoering kent geen grenzen. Dreigingen zijn steeds vaker digitaal. Promovendus Annelies van Vark stelt dat Scandinavië beter voorbereid is op gevaar. Zij pleit voor een sterkere rol van de krijgsmacht, herinvoering van de dienstplicht en paraatheid – óók bij burgers.