On Friday, June 12th, the Europa Institute held its annual PhD Day.

International law experts have voiced concerns about the recent attack on Iran. Legal philosopher Andreas Kinneging expressed a different perspective in an interview with ‘Trouw’ newspaper: 'In times of crisis, the best in people comes out.'

Nadine Akkerman's book Invisible Agents is the very first study to analyse the role of early modern women spies. The book foregrounds the agency of early-modern women, offering a corrective to the gender bias implicit in modern historiography.

Are you interested in Leiden University College The Hague, but unable to travel to our experience day on 16 February? Not to worry! We will offer this event in hybrid format. On this page, you can tune in to the information sessions taking place in our building on February 16th. When the date gets closer,…

Are you interested in Leiden University College The Hague, but unable to travel to our experience day on 16 February? Not to worry! We will offer this event in hybrid format. On this page, you can tune in to the information sessions taking place in our building on February 16th. When the date gets closer,…

The theme of Etmaal 2027 is: Breaking boundaries, building synergies - Transdisciplinary research in communication science.

A month’s break from your studies, ten days of intensive rehearsals and then a concert tour: the Netherlands Student Orchestra is based on a simple formula. Leiden student Daphne Biron tells us about the orchestra and the concert in Leiden on 20 February.

That the new building of the Campus the Hague in the Wijnhaven is literally in the governmental heart of the Netherlands should not be a surprise. But who are our neighbors besides all the ministries and the municipality? Let’s take a little walk around the neighborhood.

Leiden University purchases a wide range of goods and services every year. To a greater or lesser extent, they all have an environmental impact.

How do we approach education that facilitates creative confidence for students that leads to innovative solutions to society’s present day and future sustainability challenges? This education research project tackles a sustainability dilemma faced by households in everyday life viz.

Bacteria caught red-handed, deeply frozen just as they were about to cause Lyme’s disease. Ariane Briegel is wildly enthusiastic about the wonders she observes thanks to three elements: a freezing technique, a camera-equipped microscope, and AI. ‘It’s fascinating. Every single cell is different.’

We investigate water quality and want to understand the effects of human interference on aquatic biodiversity.

The central question of this Vici proposal is to investigate if, and how actinobacteria exploit life without a cell wall.

One of the most crucial aspects of our behaviour is our motivation to explore novel environments and interact with new people. This became painfully clear during the COVID-19 lockdowns, when many people suffered from lack of new experiences and real-life social interactions. The relevance of novelty…

Key publications of the Medical Systems Biophysics and Bioengineeringgroup (Mashaghi Lab)

Research at the department of Environmental Biology

The Institute of Biology Leiden (IBL) is an internationally oriented institute for research and education in biology.

The research group Science Communication and Society has been physically within the Institute of Biology (IBL) since 2012 and has become a formal part of the institute in 2018. The mission of this group is understanding how science communication works to improve the interaction between science and s…

Do you want to find solutions to environmental problems that make a real impact? Do you have a broad interest and want to learn from insights from the natural and social sciences when analysing complex sustainability challenges? Then Science for Sustainable Societies at Leiden University may be the…

Make sure you have a suitable place to work or study.

This thesis deals with the use of sound in interactions in the context of participatory systems and data sonification. We investigate an interactive environment where participants perceive information of the data through sound elements.

Art of Captivity / Arte del Cautiverio tells a compelling story about Central America's drug war through a series of rich photographs. The book, which is entirely bilingual in English and Spanish, focuses on Guatemala, which has become the primary point of transit for cocaine produced in the Andes and…

Why are professors still warning their students against dogmatism, prejudice, pedantry, and other centuries-old vices? What explains the persistence of these scholarly vices across the ages?

See below for the full programme and abstracts of all papers.

Explore the structure of the MSc Political Theory: Legitimacy and Justice at Leiden University, including core courses, electives, method training, thesis or internship, and small‑group seminars.

Explore the programme structure of the MSc The Politics of Artificial Intelligence at Leiden University: core courses, elective seminars, internship option, thesis research and real-world AI governance cases.

LAPP was invited by the Plastic Soup Surfer to attend the premiere screening of SOURCE 2 SEA, a documentary following the Plastic Soup Surfer on his journey along the Rhine.

From the Big Bang to superconductivity. Many ground-breaking discoveries have been made in Leiden University’s long history.

The ERC Consolidator project Food Citizens? Collective food procurement in European cities: solidarity and diversity, skills and scale (2017-2022) organizes Conference Friday 4 February and Winter School 24 January to 4 February 2022.

Emily den Boer of LAPP visited the Canal Cups Expo, displaying the plastic cups cleaned up by students after Leidens Ontzet.

This book contextualises case studies across a wide variety of languages and cultures, crystallising key interrelationships between linguistic standardisation and prescriptivism, and between ideas and practices. It focuses on different traditions of standardisation and prescription throughout the world…

Diplomatic Studies is a series with monographs and edited books, including contemporary, historical and future-oriented academic work. The series is receptive to a wide array of methodologies.

This work analyzes ritual practices and knowledge related to the Mesoamerican calendar with the aim of contributing to the understanding of the use and conceptualization of this calendar system in the contemporary K’iche’ community of Momostenango, in the Highlands of Guatemala.

Mechanisms fro drug resistance

Opening hours are based on local time. On national and Moroccan holidays the NIMAR is generally closed.

This thesis investigates the evolution and fate of gaseous exoplanets, which are continuously shaped by stellar activity across both short and long timescales.

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.

Esther Kentin wrote a blog for the Leiden Law Blog about the EU Plastics Strategy: ‘Recycling as panacea for plastic pollution: the EU Plastics Strategy.’

We, as LUGO, believe that with simple everyday actions we can prevent large amounts of single-use plastic water bottles from entering our oceans.

As a prelude to the Night of Discoveries, an Afternoon of Discoveries will be held in Leiden on 21 September for children from the age of eight. Researchers will tell exciting tales and the children will get to do experiments.

On Wednesday 16th of May, 2018, two student researchers of the LAPP, Hanna Leisti and Heidi Kaarto, had an opportunity to take part in the High Level Debate ‘Can the Blue Economy Save Our Ocean?’. The event was organised by the Sky and WWF in the premises of the European Parliament in Brussels with…

A quarter of all Dutch students suffer burn-out symptoms, and an even greater percentage regularly experience emotional exhaustion and tiredness. At a symposium on 7 May students were given tips for handling stress.

Microplastics are everywhere: in the ocean, in cooking salt and even in animals. Should that worry us? 'Yes,' said environmental scientist Thijs Bosker during a pop-up lecture in The Hague on 8 September. ‘We really need to do something now, not wait until it becomes an even bigger problem.’

Some thirty Leiden students balanced on SUP boards for the Supping for Sustainability Lustrum activity. Together with alumnus Merijn Tinga, better known as the Plastic Soup Surfer, they paddled their boards through the Leiden canals and waterways, fishing plastic waste out of the water.

Merijn Tinga hit the headlines in 2016 as the Plastic Soup Surfer. In force six winds, the Leiden biologist ventured across the English Channel on a hydrofoil kiteboard made from plastic bottles. Interview with this Leiden artist who is fighting the mountain of plastic waste and finding his feet as…

From taking general introductions to developing your personal specialty; on topics ranging from the city council to the ‘new world order’; with forays into economics, history and philosophy: during Politicologie: Nationale en Internationale Politiek, a world will open up for you.

CML’s education programme aims at training (under)graduate and graduate students for integrated and multidisciplinary sustainability research and for better decision making in managing the world’s natural resources, environmental quality and biodiversity.