Pieter Jakob Cosijn (1840-1899) was Leiden University’s first Professor of Germanic and AngloSaxon Philology. A recognised expert in the field of Old English grammar and textual criticism, Cosijn corresponded with various prominent philologists and experts in his field, including Julius Zupitza, Arthur…

If there is anything you want to know about the English Language and Culture bachelor’s programme, or if, perhaps, there’s another way in which you think we might be able to help you, don’t hesitate to get in touch with us.

The Laboratory for Material Science, Technology and Culture (MATEC Laboratory) is a research and teaching facility dedicated to the scientific and cultural study of archaeological materials. We bring together a multidisciplinary team working at the intersection of materials science, archaeology, and…

In this thesis,

Promotor: G.A. van der Marel, Co-promotor: J.D.C. Codée

To limit the effects of climate change, global average temperature since pre-industrial measurements are to be kept well below 2 °C preferably even at 1.5 °C.

In the past years access to EU law has been significantly enhanced via services such as EUR-Lex. This development not only allows for easy retrieval of individual legal acts, but for collecting information about the evolution of EU law in the aggregate as well.

Radiography is an important technique to inspect objects, with applications in airports and hospitals. X-ray imaging is also essential in industry, for instance in food safety checks for the presence of foreign objects.

This thesis describes the Multi-site All-Sky CAmeRA (MASCARA), which consists of two small robotic telescope designed to detect exoplanets around the brightest stars in the sky.

The expanding population and economic activity are driving up global energy consumption. Simultaneously, there is an urgent need to transition from fossil fuels to renewable sources to mitigate the climate crisis, primarily caused by fossil fuel combustion.

Steven Truxal, Professor of Air and Space Law, gave a keynote speech last week at a debate held in Nieuwspoort in which he examined the legal and policy implications of the aviation provisions of the new Dutch coalition government agreement.

This speech from the throne was a little less woolly than last year's, you might think. Gerard Breeman and Arco Timmermans know that for sure. Breeman and Timmermans from the Institute of Public Administration have been analysing the speech from the throne for years. Just like Tuesday 15 September 2020.…

How can we organise society so as to keep our planet habitable for us and for all other life forms around us? To answer this question, Leiden researchers collaborate across disciplines, from biology to data science, and from environmental economy to archaeology.

Madeleine O. Hosli & Jaroslaw Kantorowicz analyze EU states' foreign policy divergence at the UN General Debate, assessing if Lisbon Treaty reforms increased EU cohesion or if states maintain distinct positions.

M. Danhof, Co-promotor: O.E. Della Pasqua

How can the legal and socio-legal research skills of Indonesian jurists be increased in order to promote legal certainty and to strengthen the capacity of the judicial training in the country?

This thesis aims to address offshore wind energy (OWE)-related environmental impacts.

Modelling supra-regional communities in the early 3rd Millennium BC

Promotor: Prof.dr. H.P. Spaink, Co-promotor: Prof. dr. A.H. Meijer

By far the majority of users of child sexual abuse networks (or child porn forums as they are sometimes called) on the dark web do not actively communicate there but download illegal material, therefore committing a criminal offence. But they often stay under the police and judiciary’s radar. PhD candidate…

Every year, the World Cultural Council grants special acknowledgements to five to ten young researchers or scholars of the host country who have achieved outstanding performance in the fields of science, education or arts.

This thesis investigated miniaturized mass spectrometry (MS)-based analytical methods to address challenges in analyzing biomass-restricted biological samples.

For optimization problems, it is often unclear how to choose the most appropriate optimization algorithm. As such, rigorous benchmarking practices are critical to ensure we can gain as much insight into the strengths and weaknesses of these types of algorithms.

Material circularity and energy efficiency are highly relevant and intertwined issues for the transition towards a carbon-neutral and circular built environment. In the Netherlands, the building sector has been rendered a priority towards a circular and low-carbon society.

the production, use and exchange of bodily accoutrements through the lenses of the microscope

How and why governments engage with civil society as well as how civil society organizes itself and exerts political influence constitute the key focus of the research programme Public Governance & Civil Society. As such, this research programme offers unique expertise within the field of public administration…

Reaching the end of the academic year, we look back fondly on the symposia, conferences and events that our faculty hosted in the previous months. One such symposium marked the end of the 5-year long research project ‘Putting life into Late Neolithic houses: investigating domestic craft and subsistence…

LiTechAe: Percussive stone tools related to stone masonry techniques seen through experimentation and use-wear analysis.

On May 9th 2023, LUGO hosted its big Sustainability Day Event, on the theme: the planetary boundaries! The event, which took place at the Academy Building in Leiden, included an opening talk by Prof.dr.ing. Jan Willem Erisman, among others. At the closing, LUGO also awarded its first place prize for…

ICLON conducts research into further and higher education.

Which basic characteristics and skills and knowledge influence the use of and actions based on real-time student data presented on a teacher dashboard in primary education?

This research project seeks to understand the dynamics in the relationship between social media, mobile telephony and the social fabric under duress in Africa's mobile margins. It combines studies on mobility/migration, conflict and communication in an attempt to uncover these new dynamics, which have…

To facilitate and accelerate a systemic change in society by creating a framework based on the current post-growth narratives, policies, and initiatives.

In the Netherlands, as elsewhere in the world, many patients who are in a palliative care trajectory prefer not to receive full or explicit medical information. This is more often the case for patients with ethnic or cultural minority backgrounds. As open-information provision is the norm, non-disclosure…

At CWTS, we offer a range of educational and training activities designed to equip students, researchers, and professionals with the skills and knowledge to better understand the science system and its interactions with society.

Indonesia is experiencing various environmental challenges related to its fast economic growth. Therefore, it is necessary to have measurable and applicable indicators to obtain accurate data and information regarding the costs of adverse environmental impacts arising from economic activities to support…

Vast, often populated, areas in dryland ecosystems face the dangers of desertification.

Workshop