Helen Duffy, Professor of International Human Rights and Humanitarian Law at the Grotius Centre for International Legal Studies, has been named ‘Lawyer of the Month’ for April 2026 by Scottish Legal News, recognising her global human rights work and her unique combination of academic expertise and strategic…

Valentina Carraro explores the relationship between overlapping UN human rights institutions, specifically the treaty bodies and the Universal Periodic Review (UPR)

From self-driving cars to innovative drug development: artificial intelligence (AI) will fundamentally change our lives in many different ways. We study this technology at a deep and fundamental level. And we seek answers to questions about liability and privacy, for example. Our researchers from…

Are you curious about why people are the way they are – and how they change? At Leiden University, you’ll explore social behaviour, ideas and cultures, from the past to the present and from local to global. From major cities to world religions, from philosophical questions to education and upbringing…

Are you curious about why people are the way they are – and how they change? At Leiden University, you’ll explore social behaviour, ideas and cultures, from the past to the present and from local to global. From major cities to world religions, from philosophical questions to education and upbringing…

Human Rights at Risk brings together social scientists, legal scholars, and humanities scholars to analyze the policy challenges of human rights protection in the twenty-first century.

An important hormone excreting gland in the human body is the pituitary

How does speculative literature respond to or incorporate the aural, sonic, or noisy? How are sonic technologies co-opted into practices of worldbuilding? How does the speculative mode of artistic and literary enquiry generate new possibilities of listening?

Our Master Law in European and International Human Rights Law (LL.M.) looks at the various human rights protection mechanisms from a comparative perspective

The Digital Humanities and Cultural Analytics minor will be offered in the 2026 academic year, and replaces the 2025/2026 Digital Humanities and AI Minor.

Explores the relationship between technics and humanity, tracing the emergence of a bio-technical conception of existence in contemporary continental philosophy. Suny Press

A study by a Leiden-Wageningen group shows that present-day humans are biologically poorly equipped to deal with the toxins they are regularly exposed to in smoky environments: compared to earlier hominins, we modern humans are probably even worse off. The study appeared in Molecular Biology and Evolution.…

Research into the evolutionary backgrounds of our diets can help us make the right choices in diet, health and lifestyle.

There is no human society that does not employ a rich and diverse language. This course introduces you to linguistics, featuring interviews with well-known linguists and with speakers of many different languages. Join us to explore the miracles of human language!

This book explores how physicists, astronomers, chemists, and historians in the late nineteenth and early twentieth centuries employed ‘epistemic virtues’ such as accuracy, objectivity, and intellectual courage. In doing so, it takes the first step in providing an integrated history of the sciences…

Large carnivores and humans, along with their livestock, have co-existed for thousands of years. However, human population growth and an increase in economic activities are modifying the landscape for large carnivores and their prey.

Responsible AI for science and a strong and resilient society.

Are traces of fire use detectable in ancient hominin genomes?

On 18 June 2019, Peter Kempees defended his thesis 'Hard power and the European Convention on Human Rights'. The doctoral research was supervised by Prof. R.A. Lawson and Prof. H. Duffy.

On 25 May, Roxane de Massol de Rebetz defended the thesis 'Beyond the dichotomy between migrant smuggling and human trafficking: a Belgian case study on the governance of migrants in transit'. The doctoral research was supervised by Maartje van der Woude, Joanne van der Leun and Masja van Meeteren.

Promotors: Prof.dr. G.R. de Snoo, Prof.dr. H. Leirs (Univ. Antwerpen), Co-promotor: H.H. de Iongh

What are the humanities? As the cluster of disciplines historically grouped together as “humanities” has grown and diversified to include media studies and digital studies alongside philosophy, art history and musicology to name a few, the need to clearly define the field is pertinent.

Central in this thesis are the various forms the research-teaching nexus can take in the university, especially in the Faculty of Humanities. The importance of a strong relation between research and teaching is advocated by many academics, but debate is going on about the forms this strenghthened relation…

Efficiently responding to others’ emotions has great survival value, especially for social species, such as primates, who establish close, long-term bonds with group members. The closest living relatives to humans are the chimpanzee and the bonobo. Studying these species, and comparing them on the exact…

Are you thinking about studying European and International Human Rights Law? Learn more and watch the videos.

Promotor: J.A. Bouwstra Co-promotor: A. El Ghalbzouri

Promotor: Prof.dr. J.A. Bouwstra, Co-promotor: Dr. A. El Ghalbzouri

The routine assumption that Upper Palaeolithic early modern humans in Europe were regular fire users who produced fire at will has never been tested against the archaeological record. Utilizing literature, database and microwear analytical approaches, this project seeks to establish the role and forms…

This project envisions a broad evaluation of 20th century models of human development over the life course (ontogenesis, human constitution), including socialist and capitalist conceptions across both Eastern and Western Europe.

A new research line is the development of liquid biopsy fingerprints to predict early Alzheimer’s disease (AD) stage in human in readily accessible body fluids in human (in collaboration with: Dr. Geert-Jan Groeneveld, CHDR; Prof. Elga de Vries, Free University Medical Center; and others).

The Research Handbook on Labour, Business and Human Rights Law edited by prof. Janice Bellace of the University of Pennsylvania and ass. prof. Beryl ter Haar of Leiden University. The book is publisehd in Edward Elgars series on Human Rights.

This PhD project investigates what the universal and variable morphosyntactic properties of linguistic expressions of otherness are and how they can be modelled theoretically.

On 18 March 2020, Hoko Horii defended her thesis ‘Child Marriage as a Choice. Rethinking agency in international human rights’. The doctoral research was supervised by prof. A.W. Bedner and prof. G.A. van Klinken.

How can archaeological datasets reveal the interplay between past indigenous understandings of the surrounding world and resilient and sustainable ways of life in the Isthmo-Colombian Area?

Environmental Humanities in the New Himalayas: Symbiotic Indigeneity, Commoning, Sustainability showcases how the eco-geological creativity of the earth is integrally woven into the landforms, cultures, and cosmovisions of modern Himalayan communities.

The writings of Walter Benjamin (1892-1940) are famously and purposely marked by fragmentariness. Paradoxically, a central aim of his work was to connect: all his life he sought to further the integration of scholarship in the humanities which, he believed, had too long suffered from the prevalence…

Heart failure is a major health care problem with high mortality.

BACKGROUND: Explant human skin equivalents (Ex-HSEs) can be generated by placing a 4mm skin biopsy onto a dermal equivalent. The keratinocytes migrate from the biopsy onto the dermal equivalent, differentiate and form the epidermis of 1(st) generation Ex-HSEs. This is especially suitable for the expansion…

On Tuesday 23 May 2017, Jasmina Mackic defended her doctoral thesis ‘Proving discriminatory violence at the European Court of Human Rights’. The supervisor of the research is Vice Dean and Professor of Public International Law Larissa van den Herik. A brief summary of her thesis is provided below.

Holtz defended her dissertation ‘Collective human rights as an (onto)logical solution to climate change: reconceptualizing, applying and proceduralizing an overlooked category of human rights’ on 16 October 2025. The doctoral research was supervised by Carsten Stahn and Daniëlla Dam-de Jong.

Using brain imaging to discover the area in the brain that recognizes emotion.

Pericytes, the mural cells of blood microvessels, are important regulators of vascular morphogenesis and function that have been postulated to mechanically control microvascular diameter through as yet unknown mechanisms.

Transplantation of labial salivary glands to the eyelids for patients with dry eye appears to give excellent results clinically.

How are the epidermal lipid pathways involved in health and disease.

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

Human skin equivalents (HSEs) can be a valuable tool to study aspects of human skin, including the skin barrier, or to perform chemical or toxicological screenings.

The central question in this book is whether there is a human right to family unification.

The high prevalence of pure red cell aplasia in Thailand has been associated with the sharp increase in number of recombinant human erythropoietin (rhEPO) copy products, based on a classical generic regulatory pathway, which have entered the market.