The Multistakeholder Global Governance (MGG) Project is a four-year project which explores how far, and under what circumstances, multistakeholder constructions of global governance operate well, in terms of having capacity, effectiveness, and legitimacy.

On the occasion of the 80th anniversary of the magna carta of civil aviation, the Convention on International Civil Aviation (Chicago Convention 1944), Professor Steven Truxal has written a leading piece for the European Civil Aviation Conference: The Chicago system: a steadfast legal blueprint for…

International Relations and European Politics is one of the three organisational clusters of the Institute of Political Science.

eLaw organises a range of impactful conferences bringing together experts from law, technology, and society to discuss major developments in the field.

The Old Observatory houses four historical telescopes. On this page you can learn more about them.

SciSTIP was established on 1 April 2014 as part of the DSI-NRF Centres of Excellence Programme funded by the South Africa’s National Research Foundation (https://www.nrf.ac.za/). SciSTIP is hosted by the Centre for Research on Evaluation, Science and Technology (CREST) at Stellenbosch University and…

Describing a new language for the first time is an exciting and challenging intellectual experience.

The physics of black holes appears to be as far removed from the physics of electrons in metals as it can be.

The D&I Expertise Office works closely with the faculties of Leiden University.

The International Institute of Air and Space Law is one of the leading international academic research and teaching institutes in the world, specialising in legal and policy issues regarding aviation and space activities in the broadest sense of the word.

Archaeological and related essays on the Jordan Valley in honour of Gerrit van der Kooij on the occasion of his sixty-fifth birthday

Growth hormone profiles are pulsatile and highly variable between individuals, limiting the implementation of mathemathical models to quantify an individual's secretion.

In tracing the deeper historical roots of what Xi Jinping contemporarily frames as a “Chinese dream” of “wealth and power,” the article discerns key actors, events, and organizing principles in a long process toward restoring China’s deemed rightful place in the regional system.

In this thesis chemical and physical processes in the ice mantles on interstellar dust grains are studied.

A next, general pharmacological problem to be tackled is how drug-target binding kinetics in vivo, affects target occupancy as an important indicator of the time-course of drug effects.

Investigating epistemic and ethical practices in medical experimentation on humans in the colonial period in Southeast Asia.

Researchers from Japan and the Netherlands who were previously involved in the discovery of an exoplanet with huge rings have now calculated that the giant rings may persist more than 100,000 years, as long as the rings orbit in the opposite direction to that of the planet around the star. Their findings…

This book connects labour history, global history and the institutional or political history of international organisations.

The last decades it is increasingly recognized that acute as well as chronic postoperative pain is an important problem. Treatment and prevention of postoperative pain is a challenge, especially in special patient populations where there is only limited guidance on how to optimally use opioids.

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What contributes to the successes and failures of governance networks in small to medium-sized Western European host cities in attracting International Organizations?

HomininSpace is an agent based modelling and simulation system in which fluctuating carrying capacity is the key attractor for hominin dispersal. A parameterized and spatially explicit reconstructed palaeo-environment models available energy in the form of secondary biomass using reconstructed climate…

Humans and songbirds learn their vocalizations early in life by exposure to the vocalizations of adult conspecifics. Often, better learning outcomes are achieved with live, social, tutors than with audio-only exposure to vocalizations.

This timely and engaging book examines the rise of populism across the globe. Combining insights from linguistics, argumentation theory, rhetoric, legal theory and political theory it offers a fully integrated characterization of the form and content of populist discourse.

This book investigates the effects of brain lesions in the left hemisphere, specifically Broca's area, on the production and perception of vowels, of word tones and of the linguistic use of sentence melody.

Kohei Suzuki is Assistant Professor at Institute of Public Administration. This study carries several important implications for understanding the policy impacts of a graying population and for studies of the welfare state, in general.

Jifeng Liu defended his thesis on 2 February 2017

The objective of this study was to investigate the expression and function of GRHL2 in different breast cancer subtypes.

This inspiring collection adds stories to the fact that 68% of PhDs in the Netherlands continue their career outside academia.

On 13 January 2022, Pie Habimana defended the thesis 'Harmful Tax Competition in the East African Community'. The doctoral research was supervised by Prof. H. Vording and Prof. S.C.W. Douma (UvA).

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.

Promotores: Prof. dr. G.R. (Geert) de Snoo, Dr. E. (Ester) van der Voet

Healthy aging is one of the prime goals in today's society and atherosclerosis is among the greatest causes of morbidity in elderly. Cardiovascular disease patients receiving treatment are often of advanced aged and have an aged immune system, which limits translating experimental findings to the pa…

Key publications of the Skin Barrier and Vaccination group.

This study attempts to understand how indigenous community institutions pose an important role in sustainable community-based development, including the integration between local culture and development.

Promotores: Prof.dr. E.A.L. Biessen, Prof.dr. T.J.C. van Berkel

Cardiovascular diseases are a leading cause of death worldwide, and better models are urgently needed for disease progression studies and drug development.

On the 16th of June Patrtick Harrison successfully defended a doctoral thesis and graduated.

The main aim of Eva's research is to create a frame of reference in which these animals as symbols must be understood, be they depicted on pottery, as amulets, as floor plans or in any other way. This frame of reference can then be used to interpret the various animal images encountered by Caribbean…

On the 28th of June, Laura Smorenburg successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Laura on this achievement!

Single-layer graphene (SLG) has attracted considerable interest as a proton exchange membrane for direct methanol fuel cells (DMFCs), owing to its atomic thickness, mechanical robustness, and unique proton permeability.

Planet formation is a surprisingly homogeneous process that does not take place gradually from inside out, but that occurs everywhere at the same time in a proto-planetary disc, as Dave Lommen has discovered. He will obtain his doctorate this week based on his research into the dust around young stars…

Astronomers led by Leiden astronomer Sebastiaan Haffert have directly imaged two planets that are gravitationally carving out a wide gap within a planet-forming disk surrounding a young star. While over a dozen exoplanets have been directly imaged, this is only the second multi-planet system to be p…

Every year The Young Academy (a sub-group of KNAW) nominates ten talented researchers to join their ranks. This year two of the nominees are from Leiden University: Quentin Bourgeois and Frans Snik.

Is there extra-terrestrial life out there? It now looks as though we can sketch out an answer to this enduring question. Leiden Observatory is helping to build new instruments to find the most promising exoplanets.