This thesis is largely an experimental study on the formation of solid-state simple and complex organic molecules in the H2O-rich and CO-rich ice phases of dense interstellar clouds and dark cores.

Maarten Feteris, the former president of the Court of Appeal and an alumnus of Leiden University, composed the piece ‘Intermezzo’ to mark the transfer of the rectorate during the Dies Natalis on 8 February 2021.

Carel Stolker, former Rector Magnificus and President of the Executive Board of Leiden University, has been made an Officer in the Order of Orange-Nassau for his services to the city and University. Mayor Henri Lenferink awarded the royal honour to Stolker at the University’s Dies Natalis on 8 February…

In 1933, Maria Ulfah Santoso was the first Indonesian women to earn a law degree. During her studies in Leiden University she became involved with Indonesia;s nationalist movement. She went on to be Indonesia's Social Minister, as the first female cabinet member. In this article, historian Wildan Sena…

In this research note, Van der Does & Kantorowicz aruge that citizens that tend to experience political exclusion are often more supportive of direct and participatory forms of decision-making.

Benjamin Marius Telders, professor of international law, died of typhus in Bergen-Belsen on 6 April 1945. He was an example of civil courage before and during the occupation. He spoke up against inequity and injustice.

The deans (chairs of the faculty boards) form the Board of Deans, which is chaired by the Rector Magnificus.

Leiden University will confer an honorary doctorate on astrophysicist Sara Seager for her work on exoplanets.

American anthropologist Rosemary Joyce will be awarded an honorary doctorate from Leiden University on its Dies Natalis on 8 February. Joyce has delivered important new insights into the ancient Mayan cultures of Central America.

Friso Selten recently started a PhD position that is part of the SAILS program. This PhD project is a collaboration between FGGA, LIACS, and eLaw, and is supervised by Bram Klievink (FGGA), Joost Broekens (LIACS), and Francien Deschene (eLaw). In the project Friso will investigate the influence of artificial…

Professor André Baranski is a champion for improving organ procurement. He believes there should be standardised training and certification for procurement surgeons. This is what he said in his inaugural lecture on 16 April.

Leiden University celebrated its 444th anniversary with a historical procession on 8 February. It celebrated this year’s Dies Natalis in time-honoured fashion with a ceremony in the Pieterskerk, but broke with tradition by sending professors out to primary schools.

Four students founded the Leiden Student Working Group on Homosexuality on the day of the Dies Natalis in 1968. This was to be the start of the LBGT+ movement in Leiden, which celebrated its 50-year anniversary this year. What has been achieved and what is the status of emancipation today?

Although our anniversary of 450 years of Leiden University officially begins on the Dies Natalis on 7 February 2025, several special events have already taken place.

Earlier this month, the Europa Institute organized an internal discussion on the German PSPP-judgment. For the first time, the German Constitutional Court declared acts of EU institutions as manifestly excessive and thus as ultra vires acts under German constitutional law. During an online debate, various…

This project explores the religious lives of a Surinamese Hindu community practicing in Amsterdam at the Sri Radha Krishna Mandir from an interdisciplinary perspective.

Postcolonial Displacements explores the multiple ways in which migration in South Asia contributes to the imagining, questioning, subverting and reframing of territories, nations and communities. The project focuses on the contested fringes of the politically divided South Asian subcontinent, across…

The Tappino Area Archaeological Project aims to map and analyze ancient settlement patterns and dynamics in a small valley in Central-Southern Italy, in modern Molise (province of Campobasso). The first sites in the area date to the Bronze Age. In the Iron Age to Classical period, it was reportedly…

Former PhD, Bachelor and Master students of the Van Exter Lab

This workshop intends to bring together early-career researchers from different fields working on international organizations, to discuss methodological challenges together with peers and established scholars. A combination of a master class, keynote lectures, and roundtable discussions aims at providing…

Russian Cellist and ACPA researcher Maya Fridman is organizing many benefit events together with Russian and Ukrainian musicians to raise funds for Giro 555 for Ukraine.

The skin protects the body from unwanted influences from the environment as well as excessive water loss. The barrier function of the skin is located in the stratum corneum (SC).

Promotor: Prof.dr. G.P. van Wezel

Non-urban settlement organization and Roman expansion in the Roman Republic (4th-1st centuries BC)

Eine Archäobotanische untersuchung zu Umwelt und Landwirtschaft der Ältesten Bankkeramik.

Kate Ekama is one of the three PhD-students on Cátia Antunes' 'Challenging Monopolies' project.

Shifting the Compass: Pluricontinental Connections in Dutch Colonial and Postcolonial Literature

This thesis systematically studies the physicochemical properties of non-planar, propeller-shaped, polycyclic aromatic hydrocarbons. The synthesis of several so-called propellerenes is described on a gram scale, using optimized procedures aimed at using less hazardous reagents and reducing the amount…

The Leiden Institute for Philosophy has a unique profile in the Low Countries and is one of few of its kind worldwide. It takes a global and comparative perspective of philosophy, whereas most philosophy programs restrict themselves to European and Anglo-American philosophical traditions rooted in Greek…

Overview of the Leiden Asia staff per area or country.

‘Praesidium Libertatis is a daily responsibility.’ These were the words of Rector Magnificus Carel Stolker on 8 February during the 443rd Dies Natalis of Leiden University. The University needs to pay continuous attention to open debate if it wants to remain a bastion of freedom.

Public Administration researcher Adrienne Héritier will receive an honorary degree from Leiden University. The award is for her groundbreaking work in the field of multilevel governance, decisionmaking and institutional theory at the European level. She will be awarded the degree on the dies natalis…

Edwin Bakker, invited speaker, at The EU conference on the future of higher education on March 9, 2016, advocated in his presentation ‘MOOCs as drivers of change: The teacher’s perspective’ for an open and positive attitude to digital learning environments and to leverage the potential of technolog…

On April 19, Pax Initiative, a youth led NGO, held its first ever event at the Museon in the Hague. The event, “International Court of Justice Idealab: The Future of the ICJ” was a productive and inspiring discussion among students and young professionals on how the Court can reach the 16th Sustainable…

The Molecular Physiology group collaborates with both international public-private and academic institutions.

Description of Development of a low cost technology for in-situ treatment of groundwater for potable and irrigation purposes (TiPOT) (2004 - 2007)

Writing a book on the recent history of Leiden University in corona times. For educational and policy historian Pieter Slaman (34), this has meant working in the attic of his parents’ house while they looked after his daughter, along with numerous online conversations and very few, if any, visits to…

Conference

It has only recently been discovered that single-celled organisms (bacteria and archaea) also have histones—proteins that structure DNA. Now, Leiden PhD candidate Samuel Schwab has found that the histones in these organisms are much more diverse than previously thought. Schwab and his colleagues describe…

How did dynastic organization – that it, the employment of non-ruling family members and the development of dynastic traditions and concepts – influence state formation in both Catholic Europe and Muslim West-Asia?

Lecture, Event

On Wednesday 12 December 2018, the department of Child Law, on the initiative of dr. Yannick van den Brink, dr. Stephanie Rap en prof. dr. Ton Liefaard), organized an expert meeting on ‘Equality, children’s rights and digital technologies’. The objective of the meeting was an in-depth exchange of ideas…

Promotor: H.V.J. Linnartz

Promotor: E. Bouwman, Co-Promotor: S. Bonnet

Viral hemorrhagic fever (VHF) is a group of acute diseases caused by highly infectious viruses including Ebola, Lassa, Dengue viruses. Its high mortality rate poses high risk to public health, however, studies on VHF have been hampered due to the non-availability of proper models and incomplete knowledge…

Many people in Asia and the West are attracted to Buddhism. This is because of this religion’s ‘image’ of being exotic and authentic.

How did free agents in the Dutch Republic react to the creation of colonial monopolies (VOC and WIC) by the States-General? This project answers this question by looking at the role individuals played in the construction of an informal global empire parallel to the institutional empire devised by the…